MSIW1000 Series 3W, Wide Input Range SMD, Single & Dual Output DC/DC Converters Key Features y y y y y y y y y y Efficiency up to 83% 1500VDC Isolation MTBF > 1,000,000 Hours 2:1 Wide Input Range UL1950 Safety Approval Short Circuit Protection Temperature Performance -40] to +71] Industry Standard Pinout UL 94V-0 Package Material Internal SMD Construction Minmax's MSIW1000 3W DC/DC's are in "gull-wing" SMT package and meet 245]/10sec in solder-reflow for lead free process. The series consists of 21 models that operate over input voltage ranges of 9-18VDC, 18-36VDC and 36-75VDC which provide precisely regulated output voltages of 3.3V, 5V, 12V, 15V, {5V, {12V and {15VDC. SMD Low Profile The -40] to +71] operating temperature range makes it ideal for data communication equipments, mobile battery driven equipments, distributed power systems, telecommunication equipments, mixed analog/digital subsystems, process/machine control equipments, computer peripheral 1500 VDC systems and industrial robot systems. The modules have a maximum power rating of 3W and a typical full-load $ 2:1 efficiency of 83%, continuous short circuit, 50mV output ripple, built-in filtering I/O Isolation for both input and output minimize the need for external filtering. Low Cost Wide Range The MSIW1000 units are available in tape and reel package. Block Diagram Single Output +Vin Dual Output +Vo LC Filter +Vin +Vo LC Filter Com. -Vo -Vin 1 PFM Isolation Ref.Amp -Vo -Vin MINMAX PFM Isolation Ref.Amp REV:0 2005/04 MSIW1000 Series Model Selection Guide Model Number Input Voltage Output Voltage VDC VDC Max. mA Min. mA @Max. Load mA (Typ.) MSIW1021 3.3 700 70 257 75 MSIW1022 5 600 60 316 79 MSIW1023 12 250 25 305 15 200 20 305 {5 {300 {30 321 78 MSIW1026 {12 {125 {12.5 309 81 MSIW1027 {15 {100 {10 309 81 MSIW1031 3.3 700 70 127 76 MSIW1032 5 600 60 156 80 MSIW1033 12 250 25 151 83 12 ( 9 ~ 18 ) MSIW1024 MSIW1025 MSIW1034 24 ( 18 ~ 36 ) Output Current Input Current Reflected Ripple Current @No Load mA (Typ.) mA (Typ.) Efficiency @Max. Load % (Typ.) 82 20 15 200 20 151 {300 {30 158 79 MSIW1036 {12 {125 {12.5 152 82 MSIW1037 {15 {100 {10 152 82 MSIW1041 3.3 700 70 63 76 MSIW1042 5 600 60 78 80 12 250 25 75 15 200 20 75 {5 {300 {30 79 79 MSIW1046 {12 {125 {12.5 76 82 MSIW1047 {15 {100 {10 76 82 MSIW1043 MSIW1044 MSIW1045 48 ( 36 ~ 75 ) 83 83 3 10 83 Notes : Absolute Maximum Ratings Parameter Input Surge Voltage ( 1000 mS ) 15 82 {5 MSIW1035 5 25 12VDC Input Models Min. Max. Unit -0.7 25 VDC 24VDC Input Models -0.7 50 VDC 48VDC Input Models -0.7 100 VDC Lead Temperature (1.5mm from case for 10 Sec.) --- 260 ] Internal Power Dissipation --- 2,500 mW Exceeding the absolute maximum ratings of the unit could cause damage. These are not continuous operating ratings. 1. Specifications typical at Ta=+25], resistive load, nominal input voltage, rated output current unless otherwise noted. 2. Transient recovery time is measured to within 1% error band for a step change in output load of 75% to 100%. 3. These power converters require a minimum output loading to maintain specified regulation. 4. Operation under no-load conditions will not damage these modules; however, they may not meet all specifications listed. 5. All DC/DC converters should be externally fused at the front end for protection Environmental Specifications Conditions Min. Max. Unit Operating Temperature Parameter Ambient -40 +71 ] Operating Temperature Case -40 +90 ] Storage Temperature -40 +125 ] Humidity --- 95 % Cooling REV:0 2005/04 6. Other input and output voltage may be available, please contact factory. 7. Specifications subject to change without notice. Free-Air Convection MINMAX 2 MSIW1000 Series Input Specifications Parameter Start Voltage Under Voltage Shutdown Model Min. 12V Input Models 4.5 6 8 24V Input Models 8 12 18 Max. Unit 48V Input Models 16 24 36 12V Input Models --- --- 8 24V Input Models --- --- 16 48V Input Models --- --- 32 --- --- 0.5 A --- --- 1500 mW Reverse Polarity Input Current Short Circuit Input Power Typ. All Models Input Filter VDC Pi Filter Output Specifications Parameter Conditions Output Voltage Accuracy Min. Typ. Max. Unit % --- {0.5 {1.0 Dual Output, Balanced Loads --- {0.5 {2.0 % Line Regulation Vin=Min. to Max. --- {0.1 {0.3 % Load Regulation Io=10% to 100% --- {0.3 {1.0 % --- 50 75 mV P-P Output Voltage Balance Ripple & Noise (20MHz) --- --- 100 mV P-P Ripple & Noise (20MHz) Ripple & Noise (20MHz) Over Line, Load & Temp. --- --- 10 mV rms Over Power Protection 120 --- --- % Transient Recovery Time --- 200 500 uS 25% Load Step Change Transient Response Deviation Temperature Coefficient Output Short Circuit --- {2 {6 % --- {0.01 {0.02 %/] Continuous General Specifications Parameter Conditions Min. Typ. Max. Unit Isolation Voltage Rated 60 Seconds 1500 --- --- VDC Isolation Voltage Test Flash Tested for 1 Second 1650 --- --- VDC Isolation Resistance 500VDC 1000 --- --- M[ Isolation Capacitance 100KHz,1V --- 65 100 pF --- 300 --- KHz 1000 --- --- K Hours Switching Frequency MTBF MIL-HDBK-217F @ 25], Ground Benign Capacitive Load Models by Vout 3.3V 5V 12V 15V {5V # {12V # {15V # Unit Maximum Capacitive Load 4700 4700 4700 4700 180 180 180 uF # For each output 3 MINMAX REV:0 2005/04 MSIW1000 Series Input Fuse Selection Guide 12V Input Models 750mA Slow - Blow Type 24V Input Models 48V Input Models 350mA Slow - Blow Type 200mA Slow - Blow Type Input Voltage Transient Rating 150 140 130 120 48VDC Input Models 110 Vin ( VDC ) 100 90 80 70 24VDC Input Models 60 50 40 12VDC Input Models 30 20 10 0 10uS REV:0 2005/04 100uS 1mS MINMAX 10mS 100mS 4 100 100 90 90 Efficiency (%) Efficiency (%) MSIW1000 Series 80 70 60 80 70 60 50 Low Nom 50 High Low Nom Input Voltage (V) Efficiency vs Input Voltage ( Dual Output ) 90 90 80 80 70 70 Efficiency (%) Efficiency (%) Efficiency vs Input Voltage ( Single Output ) 60 50 60 50 40 40 30 30 20 10 20 40 High Input Voltage (V) 60 80 100 20 Load Current (%) 10 20 40 60 80 100 Load Current (%) Efficiency vs Output Load ( Single Output ) Efficiency vs Output Load ( Dual Output ) 100 100LFM 400LFM Natural convection 200LFM Output Power (%) 80 60 40 20 0 -40 50 60 70 80 Ambient Temperature 90 100 110 ] Derating Curve 5 MINMAX REV:0 2005/04 MSIW1000 Series Test Configurations Overcurrent Protection Input Reflected-Ripple Current Test Setup To provide protection in a fault (output overload) condition, the unit is equipped with internal current limiting circuitry and can endure current limiting for an unlimited duration. At the point of current-limit inception, the unit shifts from voltage control to current control. The unit operates normally once the output current is brought back into its specified range. Input reflected-ripple current is measured with a inductor Lin (4.7uH) and Cin (220uF, ESR < 1.0[ at 100 KHz) to simulate source impedance. Capacitor Cin, offsets possible battery impedance. Current ripple is measured at the input terminals of the module, measurement bandwidth is 0-500 KHz. To Oscilloscope + + Battery +Vin Lin Cin -Vin The power module should be connected to a low ac-impedance input source. Highly inductive source impedances can affect the stability of the power module. In applications where power is supplied over long lines and output loading is high, it may be necessary to use a capacitor at the input to ensure startup. +Out DC / DC Converter Current Probe Load -Out Peak-to-Peak Output Noise Measurement Test Use a Cout 0.47uF ceramic capacitor. Scope measurement should be made by using a BNC socket, measurement bandwidth is 0-20 MHz. Position the load between 50 mm and 75 mm from the DC/DC Converter. +Vin +Out Single Output DC / DC Converter -Vin Capacitor mounted close to the power module helps ensure stability of the unit, it is recommended to use a good quality low Equivalent Series Resistance (ESR < 1.0[ at 100 KHz) capacitor of a 3.3uF for the 12V input devices and a 1.5uF for the 24V and 48V devices. + DC Power Source Copper Strip Cout Input Source Impedance Scope +Vin + DC / DC Converter Load Cin - Resistive Load +Out -Vin -Out -Out Output Ripple Reduction +Vin +Out Dual Output DC / DC Converter Com. -Vin -Out A good quality low ESR capacitor placed as close as practicable across the load will give the best ripple and noise performance. To reduce output ripple, it is recommended to use 3.3uF capacitors at the output. Copper Strip Cout Scope Cout Scope Resistive Load + Maximum Capacitive Load The MSIW1000 series has limitation of maximum connected capacitance at the output. The power module may be operated in current limiting mode during start-up, affecting the ramp-up and the startup time. MINMAX Cout - -Vin -Out + +Vin +Out Dual Output DC / DC Com. Converter DC Power Source For optimum performance we recommend 180uF maximum capacitive load for dual outputs and 4700uF capacitive load for single outputs. The maximum capacitance can be found in the data sheet. +Out Single Output DC / DC Converter DC Power Source Design & Feature Considerations REV:0 2005/04 +Vin - -Vin -Out Load Cout Load 6 MSIW1000 Series Thermal Considerations Many conditions affect the thermal performance of the power module, such as orientation, airflow over the module and board spacing. To avoid exceeding the maximum temperature rating of the components inside the power module, the case temperature must be kept below 90C. The derating curves were determined from measurements obtained in an experimental apparatus. Position of air velocity probe and thermocouple 15mm / 0.6in 7 50mm / 2in Air Flow DUT MINMAX REV:0 2005/04 MSIW1000 Series Mechanical Dimensions Connecting Pin Patterns Top View ( 2.54 mm / 0.1 inch grids ) 17.82 [0.702] 2 3 10 11 12 27.94mm 18.8 [0.74] 1 16.1 [0.63] TOP 14.8 [0.58] 15 14 13 24 23 22 2.8mm 20.0mm 2.54 [0.100] 0.5 [0.020] 10.2 [0.40] 32.3 [1.27] Side Tolerance Pin 0.5 [0.02] 2.2 [0.09] 2.54mm 17.78mm 1.0mm 0.15 Millimeters Inches X.X{0.25 X.XX{0.01 X.XX{0.13 {0.05 X.XXX{0.005 {0.002 Pin Connections Physical Characteristics Pin Single Output Dual Output 1 -Vin -Vin 2 -Vin -Vin 3 NC NC 10 NC Common 11 NC NC 12 NC -Vout 13 +Vout +Vout 14 NC NC 15 -Vout Common 22 NC NC 23 +Vin +Vin 24 +Vin +Vin 32.3*14.8*10.2 mm Case Size : Case Material : Non-Conductive Black Plastic Weight : 5.75g Flammability : UL94V-0 1.27*0.58*0.40 inches NC: No Connection The MSIW1000 converter is encapsulated in a low thermal resistance molding compound that has excellent resistance/electrical characteristics over a wide temperature range or in high humidity environments. The encapsulant and unit case are both rated to UL 94V-0 flammability specifications. Leads are tin plated for improved solderability. REV:0 2005/04 MINMAX 8