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MIHW1000 Series
3W, Wide Input Range DIP, Single & Dual Output DC/DC Converters
Key Features
Efficiency up to 84% Isolation 5600VDC MTBF > 1,000,000 Hours 2:1 Wide Input Range Complies With EN55022 Class B All I/O Clearance and Creepage Distance 2.0 mm Min. Temperature Performance -40] to +75] Low Leakage Current Low Isolation Capacitance CSA60950-1 Safety Approval Industry Standard Pinout Short Circuit Protection
EMI
Low Profile EN55022
5600 VDC
I/O Isolation
2:1
Wide Range
Minmax's MIHW1000-Series power modules are specially designed to provide ultra-high levels of isolation 5600VDC in a low profile 24-pin DIP package. Operating input voltage ranges of 4.5-9VDC, 9-18VDC, 18-36VDC and 36-75VDC which provide precisely regulated output voltages of 5V, 12V, 24V ,{12V and {15VDC. The -40] to +75] 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 systems and industrial robot systems. The modules have a maximum power rating of 3W and a typical full-load efficiency of 84%, continuous short circuit, EN55022 Class B conducted noise compliance minimize design-in time, cost and eliminate the need for external filtering.
Absolute Maximum Ratings
Parameter 5VDC Input Models Input Surge Voltage ( 1000 mS ) 12VDC Input Models 24VDC Input Models 48VDC Input Models Lead Temperature (1.5mm from case for 10 Sec.) Internal Power Dissipation Min. -0.7 -0.7 -0.7 -0.7 ----Max. 11 25 50 100 260 2,500 Unit VDC VDC VDC VDC ] mW
Environmental Specifications
Parameter Operating Temperature Operating Temperature Storage Temperature Humidity Cooling Conducted EMI Conditions Ambient Case Min. -40 -40 -40 --Max. +75 +95 +125 +95 Unit ] ] ] %
Free-Air Convection EN55022 Class B
Exceeding the absolute maximum ratings of the unit could cause damage. These are not continuous operating ratings.
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Model Selection Guide
Model Number Input Voltage Output Voltage Output Current Input Current Reflected Ripple Current % (Max.) Efficiency
VDC MIHW1002 MIHW1003 MIHW1008 MIHW1006 MIHW1007 MIHW1012 MIHW1013 MIHW1018 MIHW1016 MIHW1017 MIHW1022 MIHW1023 MIHW1028 MIHW1026 MIHW1027 MIHW1032 MIHW1033 MIHW1038 MIHW1036 MIHW1037
5 ( 4.5 ~ 9 )
12 ( 9 ~ 18 )
24 ( 18 ~ 36 )
48 ( 36 ~ 75 )
VDC 5 12 24 {12 {15 5 12 24 {12 {15 5 12 24 {12 {15 5 12 24 {12 {15
Max. mA 600 250 125 {125 {100 600 250 125 {125 {100 600 250 125 {125 {100 600 250 125 {125 {100
Min. mA 90 37.5 18.8 {18.8 {15 90 37.5 18.8 {18.8 {15 90 37.5 18.8 {18.8 {15 90 37.5 18.8 {18.8 {15
@Max. Load mA (Typ.) 857 800 800 800 800 338 313 313 313 313 160 151 151 151 151 80 75 75 75 75
@No Load mA (Typ.)
40
60
30
30
20
15
10
10
@Max. Load % (Typ.) 70 75 76 75 75 74 80 81 80 80 78 83 84 83 83 78 83 84 83 83
Capacitive Load
Models by Vout Maximum Capacitive Load # For each output 5V 1000 12V 470 24V 470 {12V 220 {15V 220 Unit uF
Input Fuse Selection Guide
5V Input Models 2000mA Slow - Blow Type 12V Input Models 1000mA Slow - Blow Type 24V Input Models 500mA Slow - Blow Type 48V Input Models 250mA Slow - Blow Type
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Input Specifications
Parameter Input Voltage Range Model 5V Input Models 12V Input Models 24V Input Models 48V Input Models Under Voltage Shutdown 5V Input Models 12V Input Models 24V Input Models 48V Input Models Reverse Polarity Input Current Short Circuit Input Power Input Filter All Models Min. 3.7 8 15 30 ------------Typ. 4 8.5 17 33 ------------Pi Filter Max. 4.5 9 18 36 4 8.5 17 34 0.3 2000 A mW VDC Unit
Output Specifications
Parameter Output Voltage Accuracy Output Voltage Balance Line Regulation Load Regulation Ripple & Noise (20MHz) Ripple & Noise (20MHz) Ripple & Noise (20MHz) Over Power Protection Transient Recovery Time Transient Response Deviation Temperature Coefficient Output Short Circuit 25% Load Step Change Dual Output, Balanced Loads Vin=Min. to Max. Io=100% to 25% 5V Output Models Other Output Models Over Line, Load & Temp. Conditions Min. ----------------120 ------Continuous Typ. {0.5 {0.5 {0.3 {0.5 75 100 ------150 {3 {0.02 Max. {1.0 {2.0 {0.5 {1.0 100 150 180 15 --500 {6 {0.05 Unit % % % % mV P-P mV P-P mV P-P mV rms % uS % %/]
General Specifications
Parameter Isolation Voltage Rated Isolation Voltage Test Leakage Current Isolation Resistance Isolation Capacitance Switching Frequency MTBF MIL-HDBK-217F @ 25], Ground Benign Conditions 60 Seconds Flash Tested for 1 Second 240VAC, 60Hz 500VDC 100KHz,1V Min. 5600 6000 --1000 ----1000 Typ. --------7 150 --Max. ----2 --13 ----Unit VDC VDC uA M[ pF KHz K Hours
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Notes :
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. Ripple & Noise measurement bandwidth is 0-20 MHz. 4. These power converters require a minimum output loading to maintain specified regulation. 5. Operation under no-load conditions will not damage these modules; however, they may not meet all specifications listed. 6. All DC/DC converters should be externally fused at the front end for protection. 7. Other input and output voltage may be available, please contact factory. 8. Specifications subject to change without notice.
Block Diagram
+Vin
LC Filter
+Vo
+Vin
LC Filter
+Vo Com.
-Vo PWM Isolation Ref.Amp
PWM Isolation Ref.Amp
-Vo
-Vin
-Vin
Input Voltage Transient Rating
150 140 130 120 110 100 Vin ( VDC ) 90 80 70 60 50 40 30 20 10 0 10uS 100uS 1mS 10mS 100mS 5VDC Input Models 12VDC Input Models 24VDC Input Models 48VDC Input Models
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100 90 80 70 60 50
100 90 Efficiency (%) 80 70 60 50
Efficiency (%)
Low
Nom Input Voltage (V)
High
Low
Nom Input Voltage (V)
High
Efficiency vs Input Voltage ( Single Output )
Efficiency vs Input Voltage ( Dual Output )
90 80 70 Efficiency (%) 60 50 40 30 20 10 20 40 60 Load Current (%) 80 100
100 90 Efficiency (%) 80 70 60 50 40 30 10 20 40 60 80 100
Load Current (%)
Efficiency vs Output Load ( Single Output )
Efficiency vs Output Load ( Dual Output )
100 80 Output Power (%) 100LFM Natural convection 400LFM
200LFM
60
40
20 0 -40
50 60 70 80 ] 90 100 110
Ambient Temperature
Derating Curve
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Test Configurations
Overcurrent Protection
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 Test Setup
Input reflected-ripple current is measured with a inductor Lin (4.7uH) and Cin (220uF, ESR < 1.0[ at 100 kHz) to simulated source impedance. Capacitor Cin, offsets possible battery impedance. Current ripple is measured at the input terminals of the module, measurement bandwidth is 0-500KHz.
To Oscilloscope + Battery + Lin Current Probe +Vin +Out Load
Input Source Impedance
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 on the input to insure startup. 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 10uF for the 5V input devices and a 4.7uF for the 12V input devices and 2.2uF for the 24V and 48V devices.
+ DC Power Source + Cin -Vin -Out +Vin DC / DC Converter +Out Load
DC / DC Converter -Vin -Out
Cin
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 Single Output DC / DC Converter -Vin -Out +Out Copper Strip Cout Copper Strip Scope Resistive Load
-
+Vin Dual Output DC / DC Converter -Vin
+Out Com. -Out
Copper Strip Cout Copper Strip Cout Copper Strip Scope Scope Resistive Load
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 that 3.3uF capacitors are used on output.
+ DC Power Source -Vin +Vin Single Output DC / DC Converter -Out +Out
Cout
Load
Design & Feature Considerations
Maximum Capacitive Load
The MIHW1000 series has limitation of maximum connected capacitance on the output. The power module may operate in current limiting mode during start-up, affecting the ramp-up and the startup time. Connect capacitors at the point of load for best performance. The maximum capacitance can be found in the data sheet.
+ DC Power Source -Vin +Vin +Out Dual Output Com. DC / DC Converter -Out Cout Cout Load Load
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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 90 C. The derating curves were determined from measurements obtained in an experimental apparatus.
Position of air velocity probe and thermocouple 15mm / 0.6in
50mm / 2in
Air Flow
DUT
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Mechanical Dimensions
31.8[1.25] 0.20[0.008]
Physical Characteristics
Case Size
10.5[0.41]
:
31.8*20.3*10.7 mm 1.25*0.8*0.42 inches Non-Conductive Black Plastic 16.2g UL94V-0
Side
Case Material Weight Flammability
20.3[0.80]
: : :
2.54[0.100]
2.0[0.08]
1 Bottom 24 23 15
11 12
2.54[0.10]
13
Tolerance
Millimeters X.X{0.25 X.XX{0.13
Pin
{0.05
Pin Connections
Pin 1 11 12 13 15 23 24 Single Output +Vin No Pin -Vout +Vout No Pin -Vin -Vin Dual Output +Vin Common No Pin -Vout +Vout -Vin -Vin
15.2[0.06]
Inches X.XX{0.01 X.XXX{0.005 {0.002
3.9[0.15]
0.6[0.024]
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