19-3894; Rev 3; 10/94 General Description The MAX667 low-dropout, positive, linear voltage regu- Jator supplies up to 250mA of output current. With no load, it has a typical quiescent current of 20yA. At 200mA of output current, the input/output voltage differ- ential is typically 150mV. Other features include a low- voltage detector to indicate power failure, as well as early-warning and low-dropout detectors to indicate an imminent loss of output voltage regulation. A shutdown control disables the output and puts the circuit into a low quiescent-current mode. The MAX667 employs Dual Mode operation. One mode uses internally trimmed feedback resistors to pro- duce +5V. In the other mode, the output may be varied from +1.3V to +16V by connecting two external resistors. The MAX667 is a pin-compatible upgrade to the MAX666 in most applications where the input voltages are above +3.5V. Choose the MAX667 when high out- put currents and/or low dropout voltages are desired, as well as for improved performance at higher temperatures. Applications Battery-Powered Devices Pagers and Radio Control Receivers Portable instruments Solar-Powered Instruments Typical Operating Circuit MAAKILM +5V/Programmable Low-Dropout Voltage Regulator Features 350mV Max Dropout at 200mA @ 250mA Output Current # Normal Mode: 20u.A Typ Quiescent Current Shutdown Mode: 0.2uA Typ Quiescent Current Low-Battery Detector Fixed +5V (Min Component Count) or Adjustable Output @ +3.5V to +16.5V Input Dropout Detector Output 10 F Output Capacitor Ordering Information PART TEMP. RANGE PIN-PACKAGE MAX667CPA OC to +70C 8 Plastic DIP MAX667CSA OC to +70C 8&S0 MAX667C/D O to +70C Dice* MAX667EPA -40C to +85C 8 Plastic DIP MAX667ESA -40C to +85C 8SO MAX667MJA -85C to +125C 8 CERDIP * Contact factory for dice specifications. Pin Configuration [4 IN OUT +5V OUT 46.3V + af cl BATTERY | /AWMLAXLAN T ue L MAX667 = SET GND SHDN TOP VIEW ~ oo Gi] 8] in out [2] saree 7} LB0 isi 23] a] ser ono [4] 5] SHON DIP/SO T Dual Mode is a trademark of Maxim integrated Products. MAAXLIA Maxim Integrated Products 4-81 Call toll free 1-800-998-8800 for free samples or literature. Z99XVWMAX667 +5V/Programmable Low-Dropout Voltage Regulator ABSOLUTE MAXIMUM RATINGS Input Supply Voltage 0... cece ec cereneteerenenreaeerenetnees +18V Output Short Circuited to Ground... eee 1sec LBO Output Sink Current... ccc erneeneererenenees SOmA LBO Output Voltage ..... SHDN Input Voltage ..... Input Voltages LBI, SET... Continuous Power Dissipation Plastic DIP (derate 9.09mW/C above +70C) ............ 727mW bees GND to VouUT .-0.3V to (VIN + 0.3V) -0.3V to (VIN - 1.0V) SO (derate 5.88mMW/C above +70C) oo... 471mw CERDIP (derate 8.00mW/C above +70C)......... 640mWw Operating Temperature Ranges MAX667C_A ooo cecccecccseee eee ceeenetsesrenseteeneteeseees OC to +70C MAX667E_A.. 40C to +85C MAX667MMJA ...... eee 56C to +125C Storage Temperature Range.......... -68C to +160C Lead Temperature (soldering, 10SC) ............0c eee +300C Stresses be' ind 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 (GND = OV, VIN = +9V, VOUT = +5V, C1 = 10uF, unless otherwise noted.) Ta = 425C Ta = TIN to TMAX PARAMETER SYMBOL CONDITIONS MIN TYP MAX |MIN TYP MAX UNITS Input Voltage VIN 3.5 16.5 Vv VseT = OV, VIN = 6V, IoUuT = 10mA, output Votace J Ta = -40C to +85C S 48 5.2 V utput Voi nes OUT Veer = OV, Vin = 6V, lout = 10mA, ; 4s 5s Ta = -55C to +125C . : Maximum Output Current lout Vin = 6V, 4.5V < Vout < 5.5V 250 250 mA VSHDN = 2V 0.2 1 2 | =0 20 25 35 Quiescent Current lq VsSHDN = OV our = Gud WA VseT = OV ' lout = 100pA 20 =30 50 lout = 200mA 5 15 20 mA lout = 100pA 5 60 75 Vv Dropout Voltage (Note 1) log = 200mA 160 250 350 m Load Regulation lout = 10mA to 200mA 50 100 250 mv Line Regulation Vin = 6V to 10V, lout = 10mMA 5 10 15 mV SET Reference Voltage VSET 1.225 1.20 1.25 Vv SET Input Leakage Current ISET VseT = 1.5V 0.01 +10 +1000 nA Output Leakage Current lout VSHDN = 2V 0.1 1 pA Short-Circuit Current lout (Note 2) 400 450 mA Low-Battery Detector Reference Voltage Viet 1.225 1.195 1.255 Vv Low-Battery Detector _ Input Leakage Current Lal Vist = 1.5V 0.01 +10 +1000] nA Low-Battery Detector . _ _ Output Voltage ViBo | Vin = 9V, Vial = 2V, ILgo = 10mA 0.25 0.4 Vv VIH 1.5 1.5 SHDN Threshold VSHDN VIL oa Vv SHDN Leakage Current ISHDN VSHDN = OV to Vin 0.01 +1 +1000 nA VseT = OV, = 2. Dropout Detector Output Vy VSHDN = OV, Vin = 7V 0.26 Vv Voltage 0D | Roo = 100k, lout = 10mA Vin = 4.5V 3.5 Note 1: Dropout Voitage is Vin-VouT when Vour falls to 0.1V below its value at Vin = VouT + 2V. Note 2: Short-Circuit Current is pulse tested to maintain junction temperature. Short-circuit duration is limited by package dissipation. 4-62 PAAXLAA