MAX6754-MAX6764 Low-Power, Single/Dual-Voltage Window Detectors General Description The MAX6754-MAX6764 low-power window detectors monitor undervoltage/overvoltage conditions on system power supplies. These devices assert when the monitored voltage is under the undervoltage and/or over the overvoltage thresholds. The MAX6754-MAX6759/MAX6763/MAX6764 monitor a single voltage. The MAX6760/MAX6761/MAX6762 monitor dual-voltage systems. The MAX6754/MAX6755/ MAX6756 provide a single undervoltage/overvoltage output and the MAX6757-MAX6764 provide independent undervoltage and overvoltage outputs. The outputs are available in push-pull or open-drain configurations. The MAX6754-MAX6762 offer factory-fixed voltage thresholds for monitoring system voltages from 0.9V to 5V with a selectable 5%, 10%, or 15% window voltage. The MAX6763/MAX6764 allow for externally adjustable thresholds. The MAX6754-MAX6762 are available in two delay-timing options (20s, typ or 100ms, min). The MAX6760/MAX6761/MAX6762 also include a latched overvoltage output function and the MAX6754-MAX6762 include a manual reset input. This family of products is available in small SOT23 and TDFN packages, and is specified over the extended temperature range of -40C to +125C. Single/Dual-Supply Voltage Monitors Factory-Trimmed Window Threshold Options for 5V, 3.3V, 3V, 2.5V, 1.8V, 1.5V, 1.2V, and 0.9V Supplies Externally Adjustable Window Monitoring Options for Supplies Down to 0.5V Selectable Window Threshold Options (5%, 10%, 15%) Single (Combined UV/OV) or Dual (Separate UV and OV) Outputs 20s (typ) or 100ms (min) Timeout Period Options (MAX6754-MAX6762) Manual Reset Input (MAX6754-MAX6762) Latched Overvoltage Output Function (MAX6760/MAX6761/MAX6762) Immune to Short Voltage Transients Low 10A Supply Current Low-Voltage Operation (Outputs Valid for VCC Down to 1V) -40C to +125C Operating Temperature Range Small SOT23 and TDFN Packages Ordering Information PART Applications Benefits and Features Telecommunications Networking Computers/Servers Data Storage Power Metering DC-DC Converter Modules Automotive Typical Application Circuit TEMP RANGE PIN-PACKAGE MAX6754UK_D_-T -40C to +125C 5 SOT23-5 MAX6755UK_D_-T -40C to +125C 5 SOT23-5 MAX6756UK_D_-T -40C to +125C 5 SOT23-5 MAX6756UK_D_/V+T* -40C to +125C 5 SOT23-5 MAX6757UT_D_-T -40C to +125C 6 SOT23-6 MAX6758UT_D_-T -40C to +125C 6 SOT23-6 VCC SET GND OV NMI Insert the threshold level suffixes for VCC and VCC2 (Tables 1 and 2) after UK, UT, or TA. For the MAX6754-MAX6759, insert only the VCC threshold suffix after the UK or UT. Insert the reset timeout delay (Table 3) after D to complete the part number. For example, the MAX6760TALTD3-T provides a VCC threshold of 5V, a VCC2 threshold of 3.3V, and a 100ms minimum reset timeout period. Sample stock is generally held on standard versions only (see the Standard Versions table). Standard versions have an order increment requirement of 2500 pieces. Nonstandard versions have an order increment requirement of 10,000 pieces. Contact factory for availability. MR UV RESET Ordering Information continued at end of data sheet. VCC P MAX6757 Devices are available in both leaded and lead-free packaging. Specify lead-free by replacing "-T" with "+T" when ordering. Pin Configurations appears at end of data sheet. 19-3075; Rev 8; 6/16 MAX6754-MAX6764 Low-Power, Single/Dual-Voltage Window Detectors Absolute Maximum Ratings (Voltages with respect to GND.) VCC, VCC2,................................................................. -0.3V to +6.5V SET, OVLATCH, MR, UVIN, OVIN..................-0.3V to (VCC + 0.3V) UV, RESET, OV (open drain)..................................... -0.3V to +6.5V RESET, OV, UV, UV, RESET (push-pull).......-0.3V to (VCC + 0.3V) Input/Output Current (all pins)...................................................20mA Continuous Power Dissipation (TA = +70C) 5-Pin SOT23-5 (derate 7.1mW/C above TA = +70C).... 571mW 6-Pin SOT23-6 (derate 8.7mW/C above TA = +70C).... 696mW 8-Pin TDFN (derate 24.4mW/C above TA = +70C)..... 1951mW Operating Temperature Range................................ -40C to +125C Junction Temperature.............................................................+150C Storage Temperature Range................................... -65C to +150C Lead Temperature (soldering, 10s)........................................+300C Soldering Temperature (reflow) Lead(Pb)-Free Package.....................................................+260C Containing Lead(Pb)...........................................................+240C Stresses beyond those listed under "Absolute Maximum Ratings" may cause permanent damage to the device. These are stress ratings only, and functional operation of the device at these or any other conditions beyond those indicated in the operational sections of the specifications is not implied. Exposure to absolute maximum rating conditions for extended periods may affect device reliability. Electrical Characteristics (VCC = 1.0V to 6.0V, VCC2 = 0 to 6.0V (MAX6760-MAX6762), TA = -40C to +125C, unless otherwise noted. Typical values are at TA = +25C.) (Note 1) PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS POWER REQUIREMENTS Operating Voltage Range VCC Supply Current VCC2 Supply Current Adjustable Bias Current VCC ICC ICC2 (Note 2) 1.0 6.0 MAX6760TAAA/MAX6761TAAA/ MAX6762TAAA/MAX6763/MAX6764UT-T 1.4 6.0 VCC = 3.6V, MAX6754-MAX6759, no load 13 30 VCC = 3.6V, MAX6763/MAX6764, no load 10 23 VCC = 3.6V, VCC VCC2, MAX6760/MAX6761/MAX6762, no load 13 30 VCC2 = 1.8V, VCC VCC2, MAX6760/MAX6761/MAX6762 1 1.5 A +20 nA VCC2 (MAX6760-MAX6762TA_AD_) (Note 3) VCC THRESHOLD L, 5V T, 3.3V VCC Overvoltage Threshold OVTH TA = -40C to +125C, rising R, 3.0V VCC Z, 2.5V W, 1.8V www.maximintegrated.com V -20 VSET = VSB 5.750 5.875 6.000 SET = VCC 5.500 5.625 5.750 SET = GND 5.250 5.375 5.500 VSET = VSB 3.795 3.878 3.960 SET = VCC 3.630 3.713 3.795 SET = GND 3.465 3.548 3.630 VSET = VSB 3.450 3.525 3.600 SET = VCC 3.300 3.375 3.450 SET = GND 3.150 3.225 3.300 VSET = VSB 2.875 2.938 3.000 SET = VCC 2.750 2.813 2.875 SET = GND 2.625 2.688 2.750 VSET = VSB 2.070 2.115 2.160 1.980 2.025 2.070 SET = GND 1.890 1.935 1.980 SET = VCC A V Maxim Integrated 2 MAX6754-MAX6764 Low-Power, Single/Dual-Voltage Window Detectors Electrical Characteristics (continued) (VCC = 1.0V to 6.0V, VCC2 = 0 to 6.0V (MAX6760-MAX6762), TA = -40C to +125C, unless otherwise noted. Typical values are at TA = +25C.) (Note 1) PARAMETER SYMBOL CONDITIONS L, 5V T, 3.3V VCC Undervoltage Threshold UVTH TA = -40C to +125C, falling VCC R, 3.0V Z, 2.5V MIN TYP MAX VSET = VSB 4.000 4.125 4.250 SET = VCC 4.250 4.375 4.500 SET = GND 4.500 4.625 4.750 VSET = VSB 2.640 2.723 2.805 SET = VCC 2.805 2.888 2.970 SET = GND 2.970 3.053 3.135 VSET = VSB 2.400 2.475 2.550 SET = VCC 2.550 2.625 2.700 SET = GND 2.700 2.775 2.850 VSET = VSB 2.000 2.063 2.125 SET = VCC 2.125 2.188 2.250 SET = GND 2.250 2.313 2.375 VSET = VSB 1.440 1.485 1.530 1.530 1.575 1.620 SET = GND 1.620 1.665 1.710 VSET = VSB 3.795 3.878 3.960 SET = VCC 3.630 3.713 3.795 SET = GND 3.465 3.548 3.630 VSET = VSB 3.450 3.525 3.600 SET = VCC 3.300 3.375 3.450 SET = GND 3.150 3.225 3.300 VSET = VSB W, 1.8V SET = VCC T, 3.3V R, 3.0V Z, 2.5V VCC2 Overvoltage Threshold OVTH2 TA = -40C to +125C, rising VCC2 2.875 2.938 3.000 SET = VCC 2.750 2.813 2.875 SET = GND 2.625 2.688 2.750 VSET = VSB 2.070 2.115 2.160 1.980 2.025 2.070 SET = GND 1.890 1.935 1.980 VSET = VSB (Note 2) 1.725 1.763 1.800 SET = VCC (Note 2) 1.650 1.688 1.725 SET = GND (Note 2) 1.575 1.613 1.650 VSET = VSB (Note 2) 1.380 1.410 1.440 1.320 1.350 1.380 SET = GND (Note 2) 1.260 1.290 1.320 VSET = VSB (Note 2) 1.035 1.058 1.080 SET = VCC (Note 2) 0.990 1.013 1.035 SET = GND (Note 2) 0.945 0.968 0.990 VSET = VSB 0.489 0.500 0.511 0.468 0.479 0.489 SET = GND 0.447 0.457 0.468 W, 1.8V SET = VCC I, 1.5V G, 1.2V SET = VCC (Note 2) E, 0.9V ADJ www.maximintegrated.com SET = VCC UNITS V V Maxim Integrated 3 MAX6754-MAX6764 Low-Power, Single/Dual-Voltage Window Detectors Electrical Characteristics (continued) (VCC = 1.0V to 6.0V, VCC2 = 0 to 6.0V (MAX6760-MAX6762), TA = -40C to +125C, unless otherwise noted. Typical values are at TA = +25C.) (Note 1) PARAMETER SYMBOL CONDITIONS T, 3.3V R, 3.0V Z, 2.5V VCC2 Undervoltage Threshold UVTH2 TA = -40C to +125C, falling VCC2 MIN TYP MAX VSET = VSB 2.640 2.723 2.805 SET = VCC 2.805 2.888 2.970 SET = GND 2.970 3.053 3.135 VSET = VSB 2.400 2.475 2.550 SET = VCC 2.550 2.625 2.700 SET = GND 2.700 2.775 2.850 VSET = VSB 2.000 2.063 2.125 SET = VCC 2.125 2.188 2.250 SET = GND 2.250 2.313 2.375 VSET = VSB 1.440 1.485 1.530 1.530 1.575 1.620 SET = GND 1.620 1.665 1.710 VSET = VSB (Note 2) 1.200 1.238 1.275 SET = VCC (Note 2) 1.275 1.313 1.350 SET = GND (Note 2) 1.350 1.388 1.425 VSET = VSB (Note 2) 0.960 0.990 1.020 1.020 1.050 1.080 SET = GND (Note 2) 1.080 1.110 1.140 VSET = VSB (Note 2) 0.720 0.743 0.765 SET = VCC (Note 2) 0.765 0.788 0.810 SET = GND (Note 2) 0.810 0.833 0.855 VSET = VSB 0.340 0.351 0.362 0.362 0.372 0.383 SET = GND 0.383 0.394 0.404 W, 1.8V SET = VCC I, 1.5V G, 1.2V SET = VCC (Note 2) E, 0.9V ADJ Threshold Hysteresis VHYST SET = VCC VCC, VCC2 0.7 UNITS V % UNDERVOLTAGE/OVERVOLTAGE INPUTS (UVIN, OVIN) (MAX6763/MAX6764) UVIN, OVIN Threshold Voltage UVIN, OVIN Input Bias Current UVIN, OVIN Threshold Hysteresis www.maximintegrated.com VTH-IN IIN VHYST 0.485 (Note 3) 0.5 -20 0.7 0.515 V +20 nA % Maxim Integrated 4 MAX6754-MAX6764 Low-Power, Single/Dual-Voltage Window Detectors Electrical Characteristics (continued) (VCC = 1.0V to 6.0V, VCC2 = 0 to 6.0V (MAX6760-MAX6762), TA = -40C to +125C, unless otherwise noted. Typical values are at TA = +25C.) (Note 1) PARAMETER SYMBOL CONDITIONS MIN TYP 100 185 MAX UNITS 320 ms TIMING CHARACTERISTICS Reset and UV Timeout Period tRP Figure 7 D0 D3 20 s tD-RESET VCC/VCC2 falling at 10mV/s from UVTH + 100mV to UVTH - 100mV 20 s VCC to UV Delay tD-UV VCC/VCC2 rising at 10mV/s from OVTH - 100mV to OVTH + 100mV 20 s VCC to OV Delay tD-OV VCC/VCC2 rising at 10mV/s from OVTH - 100mV to OVTH + 100mV (MAX6757-MAX6762 only) 20 s UVIN to UV Delay (MAX6763/MAX6764) 20 s OVIN to OV Delay (MAX6763/MAX6764) 20 s 2 ms VCC to Reset Delay Startup Delay Time tSTART D0 options only, OV output (Note 4) THRESHOLD WINDOW SELECT INPUT (SET) Input-Voltage Low Input Bias Voltage (Note 5) VSB Input-Voltage High Input Current VCC = 1.4V VCC = 3.0V VCC = 6.0V 0 0.1 0.65 0.75 0.81 2.19 1.10 4.90 VCC - 0.1 ISET VCC -1 V V V +1 A 0.23 x VCC V MANUAL RESET (MR) Input-Voltage Low 0.6 x VCC Input-Voltage High Pullup Resistance to VCC 26 Minimum Pulse Width k 4 Transient Immunity Propagation Delay V s 300 tD-MR MR falling, Figure 7 tMR_P MR rising, Figure 7 ns 300 D0 D3 ns 40 100 185 320 ms 0.3 x VCC V OVERVOLTAGE OUTPUT LATCH CONTROL INPUT (OVLATCH) Input-Voltage Low Input-Voltage High www.maximintegrated.com 0.7 x VCC V Maxim Integrated 5 MAX6754-MAX6764 Low-Power, Single/Dual-Voltage Window Detectors Electrical Characteristics (continued) (VCC = 1.0V to 6.0V, VCC2 = 0 to 6.0V (MAX6760-MAX6762), TA = -40C to +125C, unless otherwise noted. Typical values are at TA = +25C.) (Note 1) PARAMETER Input Bias Current RESET, RESET, UV, UV, OV RESET, UV Output Low (Open Drain or Push-Pull) RESET, UV Output High (Push-Pull) RESET, UV Output Low (Push-Pull) RESET, UV Output High (Push-Pull) www.maximintegrated.com SYMBOL CONDITIONS IOVLATCH VOL VOH VOL VOH MIN -1 TYP MAX UNITS +1 A Any VCC 1.0V, ISINK = 100A, output asserted 0.3 Any VCC 1.2V, ISINK = 200A, output asserted 0.3 Any VCC 1.71V, ISINK = 1.0mA, output asserted 0.3 Any VCC 2.85V, ISINK = 2.0mA, output asserted 0.3 Any VCC 4.75V, ISINK = 4.0mA, output asserted 0.3 Any VCC 1.71V, ISOURCE = 0.8mA, output deasserted 0.8 x VCC Any VCC 2.85V, ISOURCE = 2.0mA, output deasserted 0.8 x VCC Any VCC 4.75V, ISOURCE = 4.0mA, output deasserted 0.8 x VCC V Any VCC 1.71V, ISINK = 1.0mA, output deasserted 0.3 Any VCC 2.85V, ISINK = 2.0mA, output deasserted 0.3 Any VCC 4.75V, ISINK = 4.0mA, output deasserted 0.3 Any VCC 1.0V, ISOURCE = 50A, output asserted 0.8 x VCC Any VCC 1.2V, ISOURCE = 100A, output asserted 0.8 x VCC Any VCC 1.71V, ISOURCE = 0.8mA, output asserted 0.8 x VCC Any VCC 2.85V, ISOURCE = 2.0mA, output asserted 0.8 x VCC Any VCC 4.75V, ISOURCE = 4.0mA, output asserted 0.8 x VCC V V V Maxim Integrated 6 MAX6754-MAX6764 Low-Power, Single/Dual-Voltage Window Detectors Electrical Characteristics (continued) (VCC = 1.0V to 6.0V, VCC2 = 0 to 6.0V (MAX6760-MAX6762), TA = -40C to +125C, unless otherwise noted. Typical values are at TA = +25C.) (Note 1) PARAMETER OV Output Low (Open-Drain or Push-Pull) OV Output High (Push-Pull) RESET, UV, OV Output OpenDrain Leakage Current SYMBOL VOL VOH ILKG CONDITIONS MIN TYP MAX Any VCC 1.98V, ISINK = 1.4mA, output asserted 0.3 Any VCC 2.75V, ISINK = 2.0mA, output asserted 0.3 Any VCC 3.63V, ISINK = 3.0mA, output asserted 0.3 Any VCC 5.5V, ISINK = 4.0mA, output asserted 0.3 V Any VCC 1.0V, ISOURCE = 50A, output deasserted 0.8 x VCC Any VCC 1.2V, ISOURCE = 100A, output deasserted 0.8 x VCC Any VCC 1.98V, ISOURCE = 1.4mA, output deasserted 0.8 x VCC Any VCC 2.75V, ISOURCE = 2.0mA, output deasserted 0.8 x VCC Any VCC 3.63V, ISOURCE = 3.0mA, output deasserted 0.8 x VCC Any VCC 5.5V, ISOURCE = 4.5mA, output deasserted 0.8 x VCC Output not asserted UNITS V 1 A Note 1: Devices are production tested at +25C. Overtemperature limits are guaranteed by design. Note 2: Voltage monitoring requires that VCC must be greater than or equal to 1.4V, but outputs remain asserted in the correct state for VCC down to 1.0V. Note 3: Guaranteed by design. Note 4: For D0 window detector options and OV outputs, startup delay time is the time required for the internal reference/circuitry to reach specified accuracy after the monitor is powered up from GND. Note 5: The input bias voltage is based off of VCC. The minimum value is given by the equation (0.1 x VCC + 0.51)V and the maximum value is given by (0.9 x VCC - 0.51)V. www.maximintegrated.com Maxim Integrated 7 MAX6754-MAX6764 Low-Power, Single/Dual-Voltage Window Detectors Typical Operating Characteristics 1.01 OVERVOLTAGE THRESHOLD FALLING 0.98 0.97 NORMALIZED TO RISING THRESHOLD AT TA = +25C -40 -25 -10 5 20 35 50 65 80 95 110 125 UNDERVOLTAGE THRESHOLD RISING 1.01 1.00 UNDERVOLTAGE THRESHOLD FALLING 0.99 0.98 0.97 MAX6754 toc04 188 14 ICC (A) 16 186 10 182 8 6 -40 -25 -10 5 20 35 50 65 80 95 110 125 TA = +125C TA = +85C TA = +25C TA = -40C 1 2 3 4 5 TEMPERATURE (C) VCC (V) OUTPUT-VOLTAGE LOW vs. SINK CURRENT OUTPUT-VOLTAGE HIGH vs. SOURCE CURRENT VCC = 5.0V VCC = 3.3V VCC = 1.8V 1.0 0.8 0.6 -0.2 -0.4 -0.8 -1.0 -1.2 -1.4 0.2 -1.6 0 -1.8 10 ISINK (mA) 15 20 VCC = 5.0V -0.6 0.4 5 1000 6 0 VCC = 2.5V www.maximintegrated.com 100 12 184 0 10 SUPPLY CURRENT vs. SUPPLY VOLTAGE 18 VOH - VCC (V) VOL (V) 20 190 1.2 1 OVERDRIVE (mV) MAX6754 toc06 TIMEOUT PERIOD (ms) 192 1.4 10 TEMPERATURE (C) 194 1.6 100 -40 -25 -10 5 20 35 50 65 80 95 110 125 D3 TIMEOUT PERIOD vs. TEMPERATURE 1.8 OUTPUT ASSERTS ABOVE THIS LINE NORMALIZED TO FALLING THRESHOLD AT TA = +25C TEMPERATURE (C) 180 MAX6754 toc03 1.02 1000 MAX6754 toc05 0.99 1.03 MAX6754 toc07 1.00 OVERVOLTAGE THRESHOLD RISING TRANSIENT IMMUNITY vs. THRESHOLD OVERDRIVE TRANSIENT IMMUNITY (s) 1.02 UNDERVOLTAGE THRESHOLD vs. TEMPERATURE MAX6754 toc02 1.03 MAX6754 toc01 NORMALIZED OVERVOLTAGE THRESHOLD (V) OVERVOLTAGE THRESHOLD vs. TEMPERATURE NORMALIZED UNDERVOLTAGE THRESHOLD (V) (VCC = 5V, VCC2 = 3.3V, TA = +25C, unless otherwise noted.) VCC = 3.3V VCC = 1.8V VCC = 2.5V 0 5 10 15 20 ISOURCE (mA) Maxim Integrated 8 MAX6754-MAX6764 Low-Power, Single/Dual-Voltage Window Detectors Pin Description PIN MAX6754/ MAX6755/ MAX6756 MAX6757/ MAX6760/ MAX6763/ MAX6758/ MAX6761/ MAX6764 MAX6759 MAX6762 1 1 1 - -- -- -- 1 2 2 2 2 3 3 8 -- 4 5 -- 6 -- 4 -- -- NAME VCC Power Voltage Input. VCC powers the device. VCC is the monitored voltage. GND Ground MR RESET/ RESET Reset Output. The Reset Output asserts when VCC is below the selected UVTH threshold or above the selected OVTH threshold. Reset output deasserts after the specified timeout period after VCC rises above the UVTH threshold or drops below the OVTH threshold. MAX6754: Active-low push-pull output (RESET). MAX6755: Active-high push-pull output (RESET). MAX6756: Active-low open-drain output (RESET). SET Threshold Window Select Input. SET configures the undervoltage and overvoltage window range for the internal detectors. Connect SET to GND for 5% window, or to VCC for 10% window. Bias SET to VCC/2 for a 15% window. Undervoltage Output. UV/UV asserts when the monitored supply/ supplies are below the UVTH thresholds or MR is low. UV/UV deasserts after the specified timeout period when the monitored supply/supplies rise above the UVTH thresholds or for the specified propagation delay after MR goes high. MAX6757/MAX6760: Active-low push-pull output (UV). MAX6758/MAX6761: Active-high push-pull output (UV). MAX6759/MAX6762: Active-low open-drain output (UV). 4 6 -- UV/ UV -- -- 3 -- VCC2 www.maximintegrated.com 5 5 Power Input. VCC powers the device. Active-Low Manual Reset Input. Drive MR low to assert undervoltage and reset outputs. The asserted output remains asserted for the specified propagation delay period after MR goes high. MR is internally pulled up to VCC through a 26k resistor. -- 5 FUNCTION OV VCC2 Voltage Input. Input for the second window voltage monitor, and device output power supply when VCC2 > VCC. Active-Low Overvoltage Output. OV asserts low when the monitored supply/supplies are above their overvoltage threshold (OVTH). OV goes high impedance immediately when the monitored supply/ supplies drop below OVTH. There is no timeout delay period for the OV output. For MAX6763/MAX6764, OV is low when OVIN is above the internal 0.5V threshold. OV is high when OVIN is below the internal 0.5V threshold. MAX6757-MAX6762: Active-low open-drain output. MAX6763: Active-low push-pull output. MAX6764: Active-low open-drain output. Maxim Integrated 9 MAX6754-MAX6764 Low-Power, Single/Dual-Voltage Window Detectors Pin Description (continued) PIN MAX6754/ MAX6755/ MAX6756 MAX6757/ MAX6760/ MAX6763/ MAX6758/ MAX6761/ MAX6764 MAX6759 MAX6762 7 -- NAME FUNCTION Overvoltage Output Latch Control Input. Drive OVLATCH high to latch the overvoltage output for any VCC or VCC2 overvoltage condition. Drive OVLATCH low to clear the latch after overvoltage OVLATCH conditions have been removed. The latch is transparent when OVLATCH is connected to GND. OVLATCH is a high-impedance input. Use external pullup or pulldown. -- -- -- 3 UVIN -- -- -- 4 UV -- -- -- 6 OVIN -- -- -- -- EP Undervoltage Input. UV is low when UVIN is below the internal 0.5V threshold. UV is high when UVIN is above the internal 0.5V threshold. Undervoltage Output. UV is low when UVIN is below the internal 0.5V threshold. UV is high when UVIN is above the internal 0.5V threshold. There is no timeout delay period for the UV output. Overvoltage Input. OV is low when OVIN is above the internal 0.5V threshold. OV is high when OVIN is below the internal 0.5V threshold. Exposed Pad (TDFN Only). EP is internally connected to GND. Leave EP unconnected or connect to GND. Functional Diagrams VCC MR ADJUST MONITOR VOLTAGE UVTH SET OVTH UV THRESHOLD -5%, -10%, -15% TIMEOUT PERIOD OPTION UV MONITOR OV MONITOR GND OV THRESHOLD +5%, +10%, +15% INTERNAL REFERENCE (RESET)/ RESET MAX6754/MAX6755/MAX6756 ( ) MAX6755 ONLY. Figure 1. MAX6754/MAX6755/MAX6756 Functional Diagram www.maximintegrated.com Maxim Integrated 10 MAX6754-MAX6764 Low-Power, Single/Dual-Voltage Window Detectors Functional Diagrams (continued) VCC ADJUST MONITOR VOLTAGE UVTH SET TIMEOUT PERIOD OPTION (UV)/ UV UV MONITOR MR VCC OV OVTH UV THRESHOLD -5%, -10%, -15% OV MONITOR GND OV THRESHOLD +5%, +10%, +15% INTERNAL REFERENCE MAX6757/MAX6758/MAX6759 ( ) MAX6758 ONLY. Figure 2. MAX6757/MAX6758/MAX6759 Functional Diagram www.maximintegrated.com Maxim Integrated 11 MAX6754-MAX6764 Low-Power, Single/Dual-Voltage Window Detectors Functional Diagrams (continued) VCC MR ADJUST MONITOR VOLTAGE UVTH OVTH SET UV THRESHOLD -5%, -10%, -15% UV MONITOR TIMEOUT PERIOD OPTION OV CIRCUIT (UV)/ UV OV OV MONITOR OVLATCH OV THRESHOLD +5%, +10%, +15% INTERNAL REFERENCE GND UVTH VCC2 ADJUST MONITOR VOLTAGE MAX6760/ MAX6761/MAX6762 OVTH UV MONITOR OV MONITOR ( ) MAX6761 ONLY. Figure 3. MAX6760/MAX6761/MAX6762 Functional Diagram www.maximintegrated.com Maxim Integrated 12 MAX6754-MAX6764 Low-Power, Single/Dual-Voltage Window Detectors Functional Diagrams (continued) UVIN MAX6763/MAX6764 UV UVTH VCC UV MONITOR INTERNAL REFERENCE 0.5V GND OVTH OV OVIN OV MONITOR Figure 4. MAX6763/MAX6764 Functional Diagram Detailed Description The MAX6754-MAX6764 are low-power window voltage detectors capable of monitoring undervoltage and overvoltage conditions on system power supplies. Whenever a monitored voltage falls below its undervoltage threshold or exceeds its overvoltage threshold, these devices assert their outputs to notify the system (see Functional Diagrams). The MAX6754/MAX6755/MAX6756 are single-voltage window detectors with internally fixed nominal voltage, externally adjustable set window, single reset undervoltage/ overvoltage output, and a manual reset input. The MAX6757/MAX6758/MAX6759 are single-voltage window detectors with internally set nominal voltage, externally adjustable set window, separate undervoltage/ overvoltage outputs, and manual reset input. The MAX6760/MAX6761/MAX6762 are dual-voltage window detectors with internally/externally set nominal voltages, externally adjustable set window, separate undervoltage/overvoltage outputs, manual reset input, and overvoltage latch functions. The MAX6763/MAX6764 are single adjustable window detectors with separate under/overvoltage outputs. The MAX6754-MAX6762 offer factory-fixed voltage thresholds for monitoring system voltages from 0.9V to 5V. The MAX6754-MAX6762 include a SET function to select the window voltage to 5%, 10%, or 15%. The MAX6763/MAX6764 allow for externally adjustable upper and lower voltage thresholds to be set externally (down to 0.5V). The MAX6754-MAX6762 are available with two timing options (20s propagation delay or 100ms minimum reset timeout). Supply Voltages VCC is the power-supply input and the monitored voltage of the MAX6754-MAX6762. These devices feature a factory-trimmed VCC and VCC2 divider that sets the nominal input range (see Table 1 and Table 2). VCC for the MAX6763/MAX6764 is the power supply of the device and not the monitored voltage. For noisy systems, bypass VCC and VCC2 each with a 0.1F capacitor to GND. Setting the Adjustable Nominal Voltage Threshold The MAX6760/MAX6761/MAX6762 (versions with suffixes LA, TA, RA, ZA, WA, and AA) offer adjustable nominal voltage threshold to monitor VCC2. Use an external voltage-divider to set the voltage at VCC2 to 0.4255V. Configure SET to select a monitor window of 5%, 10%, or 15% (see Figure 5). The MAX6760/ MAX6761/MAX6762 suffix AA monitor only VCC2 and do not monitor VCC. 0.4255V +5% +10% +15% V+ OV R1 VCC2 (UV) UV R2 0.4255V -5% -10% -15% MAX6760/MAX6761/MAX6762 (SUFFIXES LA, TA, RA, ZA, WA, AA) ( ) MAX6761 ONLY. Figure 5. Setting the Threshold Voltage of VCC2 www.maximintegrated.com Maxim Integrated 13 MAX6754-MAX6764 Low-Power, Single/Dual-Voltage Window Detectors Overvoltage Latch Control Input (OVLATCH) V+ R1 UVIN MAX6763/MAX6764 UV UVTH R2 VCC UV MONITOR INTERNAL REFERENCE 0.5V GND OVTH OV OVIN OV MONITOR R3 OVERVOLTAGE ASSERTS WHEN UNDERVOLTAGE ASSERTS WHEN V+ x R3 R1 + R2 + R3 > 0.5V V+ x (R2 + R3) R1 + R2 + R3 < 0.5V Figure 6. Setting the Under/Overvoltage Window Choose R2 to have a resistance of up to 500k. Calculate R1 by: The MAX6760/MAX6761/MAX6762 provide an overvoltage latch control input (OVLATCH). Drive OVLATCH high to latch the overvoltage output for any VCC or VCC2 overvoltage condition. Drive OVLATCH low to clear the latch after overvoltage conditions have been removed. The latch is transparent when OVLATCH is connected to GND. OVLATCH is a high impedance input. Use external pullup or pulldown. Reset, Undervoltage, and Overvoltage Outputs (RESET, RESET, UV, UV, OV) RESET, RESET, UV, UV, and OV outputs assert when the monitored supply is below the selected UVTH threshold or above the selected OVTH threshold. The reset output deasserts after the specified timeout period when the monitored supply rises above the UVTH threshold or drops below the OVTH threshold. The push-pull versions are referenced to VCC. The MAX6760/MAX6761/MAX6762 monitor both VCC and VCC2. An undervoltage/overvoltage condition on either voltage supply asserts the corresponding output. RESET and UV are guaranteed to be in the correct logic state when VCC or VCC2 > 1V. R1 = ((V+ - 0.4255V) x R2) / 0.4255V The MAX6763/MAX6764 provide inputs to a window detector allowing the programming of the threshold voltage to within VCC (see Figure 6). MR tD-MR Choose R1, R2, and R3 such that: (V+ / (R1 + R2 + R3)) 1A SET The MAX6754-MAX6762 allow the setting of the window voltage range of the voltage detector. Connect SET to GND to set a 5% window. Connect SET to VCC for a 10% window. Bias SET to VCC / 2 for a 15% window. Manual Reset (MR) The MAX6754-MAX6762 include an active-low manual reset input. Drive MR low to assert a reset output (MAX6754/MAX6755/MAX6756) or an undervoltage output (MAX6757/MAX6758/MAX6759). The output remains asserted for the specified propagation delay time (see Figure 7a and Figure 7b) after MR goes high. MR is internally pulled to VCC with a 26k resistor. tMR_P RESET, UV Figure 7a. Manual Reset/Reset Timing Diagram VCC tD-UV RESET, UV tRP (RESET IS THE COMPLEMENT OF RESET) Figure 7b. VCC/RESET, UV Timing Diagram www.maximintegrated.com Maxim Integrated 14 MAX6754-MAX6764 Low-Power, Single/Dual-Voltage Window Detectors Applications Information turns the SCR on, blowing the fuse to disconnect the circuit from the power source. An optional capacitor (C1) on the gate of the SCR provides additional transient immunity against nuisance trips. Microprocessor Monitoring Figure 8 shows a microprocessor monitoring circuit. An overvoltage condition on either the core or I/O supply CORE DC-DC CONVERTER FUSE CORE I/O DC-DC CONVERTER UNREGULATED POWER SOURCE I/O mP MAX6760 VCC2 MR PUSH BUTTON VCC 100k SCR 100k OVLATCH GND UV RESET SET OV NMI 100k *C1 1mF *OPTIONAL. Figure 8. Microprocessor Monitoring Selector Guide PUSH-PULL PUSH-PULL OPEN-DRAIN PUSH-PULL PUSH-PULL OPEN-DRAIN PUSH-PULL RESET RESET RESET UV UV UV OV OPEN-DRAIN OV MAX6754 X -- -- -- -- -- -- -- MAX6755 -- X -- -- -- -- -- -- MAX6756 -- -- X -- -- -- -- MAX6757 -- -- -- X -- -- -- X MAX6758 -- -- -- -- X -- -- X MAX6759 -- -- -- -- -- X -- X MAX6760 -- -- -- X -- -- -- X MAX6761 -- -- -- -- X -- -- X MAX6762 -- -- -- -- -- X -- X MAX6763 -- -- -- X -- -- X -- MAX6764 -- -- -- -- -- X -- X www.maximintegrated.com Maxim Integrated 15 MAX6754-MAX6764 Low-Power, Single/Dual-Voltage Window Detectors Table 1. Window Threshold Voltage Suffix Guide Single Fixed VCC (MAX6754--MAX6759) PART NO. SUFFIX L VCC NOMINAL SYSTEM VOLTAGE (V) 5.0 T 3.3 R 3.0 Z 2.5 W 1.8 Table 3. Timeout Period Suffix Guide TIMEOUT PERIOD SUFFIX ACTIVE TIMEOUT PERIOD MIN (ms) Typ (ms) D0 -- 0.02 MAX (ms) -- D3 100 185 320 Ordering Information (continued) PART Table 2. Window Threshold Voltage Suffix Guide Dual Fixed/Adjustable (MAX6760/MAX6761/MAX6762) PART NO. SUFFIX VCC NOMINAL SYSTEM VOLTAGE (V) VCC2 NOMINAL SYSTEM VOLTAGE (V) LT 5 3.3 LR 5 3.0 LA 5 ADJ* TZ 3.3 2.5 TW 3.3 1.8 TI 3.3 1.5 TG 3.3 1.2 TE 3.3 0.9 TA 3.3 ADJ* RZ 3.0 2.5 RW 3.0 1.8 RI 3.0 1.5 RG 3.0 1.2 RE 3.0 0.9 RA 3.0 ADJ* ZW 2.5 1.8 ZI 2.5 1.5 ZG 2.5 1.2 ZE 2.5 0.9 ZA 2.5 ADJ* WI 1.8 1.5 WG 1.8 1.2 WE 1.8 0.9 WA 1.8 ADJ* AA -- ADJ* TEMP RANGE PIN-PACKAGE MAX6759UT_D_/V-T -40C to +125C 6 SOT23-6 MAX6760TA_ _D_-T -40C to +125C 8 TDFN-EP MAX6761TA_ _D_-T -40C to +125C 8 TDFN-EP MAX6762TA_ _D_-T -40C to +125C 8 TDFN-EP MAX6763UT-T -40C to +125C 6 SOT23-6 MAX6764UT-T -40C to +125C 6 SOT23-6 Insert the threshold level suffixes for VCC and VCC2 (Tables 1 and 2) after UK, UT, or TA. For the MAX6754-MAX6759, insert only the VCC threshold suffix after the UK or UT. Insert the reset timeout delay (Table 3) after D to complete the part number. For example, the MAX6760TALTD3-T provides a VCC threshold of 5V, a VCC2 threshold of 3.3V, and a 100ms minimum reset timeout period. Sample stock is generally held on standard versions only (see the Standard Versions table). Standard versions have an order increment requirement of 2500 pieces. Nonstandard versions have an order increment requirement of 10,000 pieces. Contact factory for availability. Devices are available in both leaded and lead-free packaging. Specify lead-free by replacing "-T" with "+T" when ordering. /V denotes an automotive qualified part. *See the Setting the Adjustable Nominal Voltage Threshold section. www.maximintegrated.com Maxim Integrated 16 MAX6754-MAX6764 Low-Power, Single/Dual-Voltage Window Detectors Standard Versions Table PART MAX6754UKLD0 MAX6754UKLD3 MAX6754UKTD0 MAX6754UKTD3 MAX6754UKZD0 MAX6754UKZD3 MAX6754UKWD0 MAX6754UKWD3 MAX6755UKLD0 MAX6755UKLD3 MAX6755UKTD0 MAX6755UKTD3 MAX6755UKZD0 MAX6755UKZD3 MAX6755UKWD0 MAX6755UKWD3 MAX6756UKLD0 MAX6756UKLD3 MAX6756UKTD0 MAX6756UKTD3 MAX6756UKZD0 MAX6756UKZD3 MAX6756UKWD0 MAX6756UKWD3 MAX6757UTTD0 MAX6757UTTD3 MAX6757UTLD0 MAX6757UTLD3 MAX6757UTZD0 MAX6757UTZD3 MAX6757UTWD0 MAX6757UTWD3 MAX6758UTLD0 MAX6758UTLD3 MAX6758UTTD0 MAX6758UTTD3 MAX6758UTZD0 MAX6758UTZD3 MAX6760TATWD3 MAX6760TATAD3 MAX6760TARAD3 MAX6760TAZWD3 MAX6760TAZAD3 MAX6760TAWED3 MAX6760TAWAD3 MAX6761TALTD3 MAX6761TALAD3 MAX6761TATZD3 MAX6761TATWD3 MAX6761TATAD3 MAX6761TARAD3 MAX6761TAZWD3 MAX6761TAZAD3 MAX6761TAWED3 MAX6761TAWAD3 MAX6762TALTD3 MAX6762TALAD3 MAX6762TATZD3 MAX6762TATWD3 MAX6762TATAD3 MAX6762TARAD3 MAX6762TAZWD3 MAX6762TAZAD3 MAX6762TAWED3 MAX6762TAWAD3 MAX6763UT MAX6764UT PART MAX6758UTWD0 MAX6758UTWD3 MAX6759UTLD0 MAX6759UTLD3 MAX6759UTTD0 MAX6759UTTD3 MAX6759UTZD0 MAX6759UTZD3 MAX6759UTWD0 MAX6759UTWD3 MAX6760TALTD3 MAX6760TALAD3 MAX6760TATZD3 www.maximintegrated.com Maxim Integrated 17 MAX6754-MAX6764 Low-Power, Single/Dual-Voltage Window Detectors Pin Configurations TOP VIEW VCC 1 GND 2 5 SET MAX6754 MAX6755 MAX6756 MR 3 VCC 1 8 MR GND 2 7 OVLATCH VCC2 3 MAX6760 MAX6761 MAX6762 SET 4 4 RESET (RESET) 6 UV (UV) 5 OV TDFN ( ) MAX6761 ONLY. SOT23 ( ) MAX6755 ONLY. VCC 1 GND 2 MR MAX6757 MAX6758 MAX6759 3 6 SET VCC 1 5 OV GND 2 4 UV (UV) UVIN 3 SOT23 PROCESS: BiCMOS www.maximintegrated.com MAX6763 MAX6764 5 OV 4 UV SOT23 ( ) MAX6758 ONLY. Chip Information 6 OVIN Package Information For the latest package outline information and land patterns (footprints), go to www.maximintegrated.com/packages. Note that a "+", "#", or "-" in the package code indicates RoHS status only. Package drawings may show a different suffix character, but the drawing pertains to the package regardless of RoHS status. PACKAGE TYPE PACKAGE CODE OUTLINE NO. LAND PATTERN NO. 5 SOT23 6 SOT23 8 TDFN U5+1 U6-1 T833-2 21-0057 21-0058 21-0137 90-0174 90-0175 90-0059 Maxim Integrated 18 MAX6754-MAX6764 Low-Power, Single/Dual-Voltage Window Detectors Revision History REVISION NUMBER REVISION DATE DESCRIPTION PAGES CHANGED 4 1/11 Added /V to the MAX6759 Ordering Information and added soldering temperature in the Absolute Maximum Rating section 2, 16 5 10/15 Adding /V part number of MAX6756 to data sheet 6 11/15 Updated package code for 5 SOT23 in Ordering Information section 7 3/16 Re-added Standard Versions table 17-18 8 6/16 Removed top mark information from Standard Versions table 17-18 1, 16-18 19 For pricing, delivery, and ordering information, please contact Maxim Direct at 1-888-629-4642, or visit Maxim Integrated's website at www.maximintegrated.com. Maxim Integrated cannot assume responsibility for use of any circuitry other than circuitry entirely embodied in a Maxim Integrated product. No circuit patent licenses are implied. Maxim Integrated reserves the right to change the circuitry and specifications without notice at any time. The parametric values (min and max limits) shown in the Electrical Characteristics table are guaranteed. Other parametric values quoted in this data sheet are provided for guidance. Maxim Integrated and the Maxim Integrated logo are trademarks of Maxim Integrated Products, Inc. (c) 2016 Maxim Integrated Products, Inc. 19 Mouser Electronics Authorized Distributor Click to View Pricing, Inventory, Delivery & Lifecycle Information: Maxim Integrated: MAX6754UKLD0+T MAX6754UKLD3+T MAX6754UKRD0+T MAX6754UKRD3+T MAX6754UKTD0+T MAX6754UKTD3+T MAX6754UKWD0+T MAX6754UKWD3+T MAX6754UKZD0+T MAX6754UKZD3+T MAX6755UKLD0+T MAX6755UKLD3+T MAX6755UKRD0+T MAX6755UKRD3+T MAX6755UKTD0+T MAX6755UKTD3+T MAX6755UKWD0+T MAX6755UKWD3+T MAX6755UKZD0+T MAX6755UKZD3+T MAX6756UKLD0+T MAX6756UKLD3+T MAX6756UKRD0+T MAX6756UKRD3+T MAX6756UKTD0+T MAX6756UKTD3+T MAX6756UKWD0+T MAX6756UKWD3+T MAX6756UKZD0+T MAX6756UKZD3+T MAX6757UTLD0+T MAX6757UTLD3+T MAX6757UTRD0+T MAX6757UTRD3+T MAX6757UTTD0+T MAX6757UTTD3+T MAX6757UTWD0+T MAX6757UTWD3+T MAX6757UTZD0+T MAX6757UTZD3+T MAX6758UTLD0+T MAX6758UTLD3+T MAX6758UTRD0+T MAX6758UTRD3+T MAX6758UTTD0+T MAX6758UTTD3+T MAX6758UTWD0+T MAX6758UTWD3+T MAX6758UTZD0+T MAX6758UTZD3+T MAX6759UTLD0+T MAX6759UTLD3+T MAX6759UTRD0+T MAX6759UTRD3+T MAX6759UTTD0+T MAX6759UTTD3+T MAX6759UTWD0+T MAX6759UTWD3+T MAX6759UTZD0+T MAX6759UTZD3+T MAX6760TAAAD0+T MAX6760TAAAD3+T MAX6760TALAD0+T MAX6760TALAD3+T MAX6760TALRD0+T MAX6760TALRD3+T MAX6760TALTD0+T MAX6760TALTD3+T MAX6760TARAD0+T MAX6760TARAD3+T MAX6760TARED0+T MAX6760TARED3+T MAX6760TARGD0+T MAX6760TARGD3+T MAX6760TARID0+T MAX6760TARID3+T MAX6760TARWD0+T MAX6760TARWD3+T MAX6760TARZD0+T MAX6760TARZD3+T MAX6760TATAD0+T MAX6760TATAD3+T MAX6760TATED0+T MAX6760TATED3+T MAX6760TATGD0+T MAX6760TATGD3+T MAX6760TATID0+T MAX6760TATID3+T MAX6760TATWD0+T MAX6760TATWD3+T MAX6760TATZD0+T MAX6760TATZD3+T MAX6760TAWAD0+T MAX6760TAWAD3+T MAX6760TAWED0+T MAX6760TAWED3+T MAX6760TAWGD0+T MAX6760TAWGD3+T MAX6760TAWID0+T MAX6760TAWID3+T