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MIW5000 Series
10W, Wide Input Range DIP, Single & Dual Output DC/DC Converters
Key Features
High Efficiency up to 88% 1500VDC Isolation MTBF > 1,000,000 Hours 2:1 Wide Input Range CSA1950 Safety Approval Complies with EN55022 Class A Over Voltage Protection Industry Standard Pinout UL 94V-0 Package Material Internal SMD Construction
Minmax's MIW5000-Series power modules operate over input voltage ranges of 9-18VDC, 18-36VDC and 36-75VDC which provide precisely regulated output voltages of 2.5V, 3.3V, 5V, 5.1V, 12V, 15V, {12V and {15VDC. The MIW5000 series is an excellent selection 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 10W and a typical full-load efficiency of 88%, continuous short circuit, 50mA output ripple, EN55022 Class A conducted noise compliance minimize design-in time, cost and eliminate the need for external filtering.
OVP
Protection
High Power Density
More Power
EMI
EN55022
2:1
Wide Range
1500 VDC
I/O Isolation
Block Diagram
Single Output Dual Output
+Vin
LC Filter
+Vo A -Vo OVP
+Vin
LC Filter
+Vo A Com. -Vo A OVP Isolation Ref.Amp
-Vin
PWM
Isolation
Ref.Amp
-Vin
PWM
A: 2.5V, 3.3V, 5V and 5.1V-output models use the synchronous-rectifier configuration shown above. 12V, 15V, {12V and {15V-output models employ a standard, diode-rectification architecture.
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Model Selection Guide
Model Number Input Voltage Output Voltage Output Current Input Current Reflected Ripple Current mA (Typ.) Efficiency
VDC MIW5021 MIW5022 MIW5023 MIW5024 MIW5026 MIW5027 MIW5029 MIW5030 MIW5031 MIW5032 MIW5033 MIW5034 MIW5036 MIW5037 MIW5039 MIW5040 MIW5041 MIW5042 MIW5043 MIW5044 MIW5046 MIW5047 MIW5049 48 ( 36 ~ 75 ) 24 ( 18 ~ 36 ) 12 ( 9 ~ 18 )
VDC 3.3 5 12 15 {12 {15 5.1 2.5 3.3 5 12 15 {12 {15 5.1 2.5 3.3 5 12 15 {12 {15 5.1
Max. mA 3000 2000 833 666 {416 {333 2000 3000 3000 2000 833 666 {416 {333 2000 3000 3000 2000 833 666 {416 {333 2000
Min. mA 300 200 83 66.6 {42 {33 200 300 300 200 83 66.6 {42 {33 200 300 300 200 83 66.6 {42 {33 200
@Max. Load mA (Typ.) 1006 1004 957 968 957 968 1024 377 485 479 479 478 473 478 489 188 243 239 240 239 236 243 244
@No Load mA (Typ.)
@Max. Load % (Typ.) 82 83 87
40
60
86 87 86 83 83 85 87 87 87 88 87 87 83 85 87 87 87 88 87 87
20
40
10
40
Absolute Maximum Ratings
Parameter Input Surge Voltage ( 1000 mS ) 12VDC Input Models 24VDC Input Models 48VDC Input Models Min. -0.7 -0.7 -0.7 ----Max. 25 50 100 260 2,500 Unit VDC VDC VDC ] mW
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.
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.
Environmental Specifications
Parameter Operating Temperature Operating Temperature Storage Temperature Humidity Cooling Conducted EMI Conditions Ambient Case Min. -40 -40 -40 --Free-Air Convection EN55022 Class A Max. +60 +90 +125 95 Unit ] ] ] %
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 on the front end for protection. 7. Other input and output voltage may be available, please contact factory. 8. Specifications subject to change without notice.
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MIW5000 Series
Input Specifications
Parameter Start Voltage Model 12V Input Models 24V Input Models 48V Input Models Under Voltage Shutdown 12V Input Models 24V Input Models 48V Input Models Reverse Polarity Input Current Short Circuit Input Power Input Filter All Models Min. 7 14 30 ----------Typ. 8 16 33 ----------Pi Filter Max. 9 18 36 8.5 17 34 0.5 2500 A mW VDC Unit
Output Specifications
Parameter Output Voltage Accuracy Output Voltage Balance Line Regulation Load 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 Over Line, Load & Temp. Dual Output, Balanced Loads Vin=Min. to Max. Io=10% to 100% Io=10% to 100% (only 2.5Vout) Conditions Min. ----------------110 ------Continuous Typ. {0.6 {0.5 {0.3 {0.5 {0.7 50 ----150 250 {3 {0.01 Max. {1.2 {2.0 {1.0 {1.2 {1.5 85 100 15 180 500 {5 {0.02 Unit % % % % % mV P-P mV P-P mV rms % uS % %/]
General Specifications
Parameter Isolation Voltage Rated Isolation Voltage Test Isolation Resistance Isolation Capacitance Switching Frequency MTBF MIL-HDBK-217F @ 25], Ground Benign Conditions 60 Seconds Flash Tested for 1 Second 500VDC 100KHz,1V Min. 1500 1650 1000 ----1000 Typ. ------1000 400 --Max. ------1200 ----Unit VDC VDC M[ pF KHz K Hours
Capacitive Load
Models by Vout Maximum Capacitive Load # For each output 2.5V 2200 3.3V 2200 5V 2200 5.1V 2200 12V 820 15V 470 {12V # 220 {15V # 150 Unit uF
Input Fuse Selection Guide
12V Input Models 2000mA Slow-Blow type 24V Input Models 1000mA Slow-Blow type 48V Input Models 500mA Slow-Blow type
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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 12VDC Input Models 24VDC Input Models 48VDC Input Models
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MIW5000 Series
100 90 Efficiency (%) 80 70 60 50
Efficiency (%)
100 90 80 70 60 50
Low
Nom Input Voltage (V)
High
Low
Nom Input Voltage (V)
High
Efficiency vs Input Voltage ( Single Output )
Efficiency vs Input Voltage ( Dual Output )
100 90 Efficiency (%) Efficiency (%) 80 70 60 50 40 30 10 20 40 60 Load Current (%) 80 100
100 90 80 70 60 50 40 30 10 20 40 60 Load Current (%) 80 100
Efficiency vs Output Load ( Single Output )
Efficiency vs Output Load ( Dual Output )
100 80 Output Power (%) 100LFM 200LFM
60
Natural convection
400LFM
40
20 0 -40
50 60 70 80 ] 90 100 110
Ambient Temperature
Derating Curve
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Test Configurations
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
control to current control. The unit operates normally once the output current is brought back into its specified range.
Overvoltage Protection
The output overvoltage clamp consists of control circuitry, which is independent of the primary regulation loop, that monitors the voltage on the output terminals. The control loop of the clamp has a higher voltage set point than the primary loop. This provides a redundant voltage control that reduces the risk of output overvoltage.
DC / DC Converter -Vin -Out
Input Source Impedance
Load
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 Scope Resistive Load
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 12uF for the 12V, 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
+Vin Dual Output DC / DC Converter -Vin
+Out Com.
Copper Strip Cout Cout Scope Resistive Load Scope
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 +Vin Single Output DC / DC Converter -Out +Out
-Out
Design & Feature Considerations
Maximum Capacitive Load
The MIW5000 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. The maximum capacitance can be found in the data sheet.
Cout
Load
+
+Vin
+Out Dual Output DC / DC Com. Converter Cout Load
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
DC Power Source -Vin
-Out
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MIW5000 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 95C. 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
Top View ( 2.54 mm / 0.1 inch grids )
Connecting Pin Patterns
Single Output
31.8 [1.25]
Side
2.54 [0.100]
4.5 [0.18]
2.5 [0.10]
0.50 [0.020]
10.2 [0.40]
4.1 [0.16]
Dual Output
23 Bottom 23 22 16 14 9 11
15.22 [0.600]
Tolerance
Millimeters X.X{0.25 X.XX{0.13 {0.05
Inches X.XX{0.01 X.XXX{0.005 {0.002
Pin
Pin Connections
Pin 2 3 9 11 14 16 22 23 Single Output -Vin -Vin No Pin NC +Vout -Vout +Vin +Vin NC: No Connection Dual Output -Vin -Vin Common -Vout +Vout Common +Vin +Vin
20.3 [0.80]
Physical Characteristics
31.8*20.3*10.2 mm 1.25*0.80*0.40 inches
Case Size
:
Case Material Weight Flammability
: Metal With Non-Conductive Baseplate : 17.3g : UL94V-0
The MIW5000 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
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