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MIHW2000 Series
3W, Ultra-Wide Input Range DIP, Single & Dual Output DC/DC Converters
Key Features
Efficiency up to 83% 4200VDC Isolation MTBF > 1,000,000 Hours 4:1 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
EMI
Low Profile EN55022
4200 VDC
I/O Isolation
4:1
Wide Range
Minmax's MIHW2000-Series power modules are specially designed to provide ultra-high levels of isolation 4200VDC in a low profile 24-pin DIP package. Operating input voltage ranges of 9-40VDC, 18-80VDC and 36-160VDC which provide precisely regulated output voltages of 5V, 12V, {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 83%, 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 Input Surge Voltage ( 1000 mS ) 24VDC Input Models 48VDC Input Models 110VDC Input Models Min. -0.7 -0.7 -0.7 ----Max. 50 100 180 260 2,500 Unit 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 ] ] ] %
Lead Temperature (1.5mm from case for 10 Sec.) Internal Power Dissipation
Exceeding the absolute maximum ratings of the unit could cause damage. These are not continuous operating ratings.
Free-Air Convection EN55022 Class B
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Model Selection Guide
Model Number Input Voltage Output Voltage Output Current Input Current Reflected Ripple Current % (Max.) 15 Efficiency
VDC MIHW2022 MIHW2023 MIHW2026 MIHW2027 MIHW2032 MIHW2033 MIHW2036 MIHW2037 MIHW2042 MIHW2043 MIHW2046 MIHW2047 24 ( 9 ~ 40 )
48 ( 18 ~ 80 )
110 ( 36 ~ 160 )
VDC 5 12 {12 {15 5 12 {12 {15 5 12 {12 {15
Max. mA 600 250 {125 {100 600 250 {125 {100 600 250 {125 {100
Min. mA 90 37.5 {18.8 {15 90 37.5 {18.8 {15 90 37.5 {18.8 {15
@Max. Load mA (Typ.) 160 151 151 151 80 75 75 75 35 33 33 33
@No Load mA (Typ.) 20
10
8
5
3
@Max. Load % (Typ.) 78 83 83 83 78 83 83 83 78 83 83 83
Capacitive Load
Models by Vout Maximum Capacitive Load # For each output 5V 1000 12V 470 {12V # 220 {15V # 220 Unit uF
Input Fuse Selection Guide
24V Input Models 1000mA Slow - Blow Type 48V Input Models 500mA Slow - Blow Type 110V Input Models 300mA Slow - Blow Type
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MIHW2000 Series
Input Specifications
Parameter Input Voltage Range Model 24V Input Models 48V Input Models 110V Input Models Under Voltage Shutdown 24V Input Models 48V Input Models 110V Input Models Reverse Polarity Input Current Short Circuit Input Power Input Filter All Models Min. 8 13 26 ----------Typ. 8.5 15 30 ----------Pi Filter Max. 9 17 34 8.5 16 32 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. 4200 5000 --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
320 300 280 260 240 220 Vin ( VDC ) 200 180 160 140 120 100 80 60 40 0 10uS 100uS 1mS 10mS 100mS 24VDC Input Models 48VDC Input Models 110VDC 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. By using a good quality low Equivalent Series Resistance (ESR < 1.0[ at 100 kHz) capacitor of a 4.7uF for the 24V input devices and a 2.2uF for the 48V devices, capacitor mounted close to the power module helps ensure stability of the unit.
+ 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
-
Output Ripple Reduction
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 Single Output DC / DC Converter -Vin -Out +Out
+Vin Dual Output DC / DC Converter -Vin
+Out Com. -Out
Copper Strip Cout Copper Strip Cout Copper Strip Scope Scope Resistive Load
Design & Feature Considerations
Maximum Capacitive Load
The MIHW2000 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 -
Cout
Load
-
+Vin
+Out Dual Output Com. DC / DC Converter Cout Cout Load Load
-Vin
-Out
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MIHW2000 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 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
Safety according to EN 60950 / CSA 60950
Insulation between adjacent primary circuits or between primary & secondary circuits: Operational-,Basic- and Supplementary insulation for working voltages up to 420 VDC /300 VAC. Reinforced insulation for working voltages up to 210 VDC / 150 VAC. Insulation between adjacent secondary circuits: Operatonal-,Basic- Supplementary and Reinforced insulation for working voltages up to 420 VDC /300 VAC.
Electromagnetic emission EN 55022 < B
Conducted and radiated emissions MIHW204X-types EN 55022 < A ; with external coupling capacitor Cio=1 nF < B
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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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