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MIW2300 Series
2-3W, Ultra-Wide Input Range DIP, Single & Dual Output DC/DC Converters
Key Features
Efficiency up to 84% 1500VDC Isolation MTBF > 1,000,000 Hours 4:1 Wide Input Range Low Cost CSA60950-1 Safety Approval Complies with EN55022 Class A Temperature Performance -40] to +71] UL 94V-0 Package Material Internal SMD Construction Industry Standard Pinout
EMI
EN55022
1500 VDC
I/O Isolation
$
Low Cost
4:1
Wide Range
Minmax's MIW2300-Series power modules operate over input voltage ranges of 9-36VDC and 18-75VDC which provide precisely regulated output voltages of 3.3V, 5V, 12V, 15V, {12V and {15VDC. 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 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, 40mA output ripple, EN55022 Class A conducted noise compliance minimize design-in time, cost and eliminate the need for external filtering.
Absolute Maximum Ratings
Parameter Input Surge Voltage ( 1000 mS ) Internal Power Dissipation 24VDC Input Models 48VDC Input Models Min. -0.7 -0.7 ----Max. 50 100 260 2,500 Unit VDC VDC ] mW
Environmental Specifications
Parameter Operating Temperature Operating Temperature Storage Temperature Humidity Cooling Conducted EMI Conditions Ambient Case Min. -40 -40 -40 --Max. +71 +90 +125 95 Unit ] ] ] %
Lead Temperature (1.5mm from case for 10 Sec.)
Exceeding the absolute maximum ratings of the unit could cause damage. These are not continuous operating ratings.
Free-Air Convection EN55022 Class A
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MINMAX
REV:5 2008/10/02
MIW2300 Series
Model Selection Guide
Model Number Input Voltage Output Voltage Output Current Input Current Reflected Ripple Current mA (Typ.) Efficiency
VDC MIW2321 MIW2322 MIW2323 MIW2324 MIW2326 MIW2327 MIW2331 MIW2332 MIW2333 MIW2334 MIW2336 MIW2337
24 ( 9 ~ 36 )
48 ( 18 ~ 75 )
VDC 3.3 5 12 15 {12 {15 3.3 5 12 15 {12 {15
Max. mA 750 600 250 200 {125 {100 750 600 250 200 {125 {100
Min. mA 93 75 32 25 {16 {13 93 75 32 25 {16 {13
@Max. Load mA (Typ.) 138 158 154 152 156 156 68 78 75 74 76 76
@No Load mA (Typ.)
20
15
10
10
@Max. Load % (Typ.) 75 79 81 82 80 80 76 80 83 84 82 82
Capacitive Load
Models by Vout Maximum Capacitive Load # For each output 3.3V 680 5V 470 12V 330 15V 220 {12V # 150 {15V # 100 Unit uF
Input Fuse Selection Guide
24V Input Models 1000mA Slow - Blow Type 48V Input Models 500mA Slow - Blow Type
Input Specifications
Parameter Start Voltage Under Voltage Shutdown Reverse Polarity Input Current Short Circuit Input Power Input Filter All Models Model 24V Input Models 48V Input Models 24V Input Models 48V Input Models Min. 6 12 --------Typ. 7.5 15 --------Pi Filter Max. 9 18 8.5 16 0.5 2000 A mW VDC Unit
REV:5 2008/10/02
MINMAX
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MIW2300 Series
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 Vin=Min. 25% Load Step Change Over Line, Load & Temp. Dual Output, Balanced Loads Vin=Min. to Max. Io=Min. to Max. Conditions Min. --------------110 ------Continuous Typ. {0.5 {0.5 {0.2 {0.3 40 ------150 {2 {0.01 Max. {2.0 {3.0 {1.0 {1.0 75 150 15 --500 --{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. ------380 350 --Max. ------500 ----Unit VDC VDC M[ pF KHz K Hours
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.
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MINMAX
REV:5 2008/10/02
MIW2300 Series
Block Diagram
Single Output Dual Output
+Vin
LC Filter
+Vo
+Vin
LC Filter
+Vo Com.
-Vo PFM Isolation Ref.Amp PFM 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 24VDC Input Models 48VDC Input Models
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MINMAX
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MIW2300 Series
100 90 Efficiency (%) 80
Efficiency (%) 100 90 80 70 60 50 40
70 60 50 40 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 60 50 40 30 20 10 20 40 60 Load Current(%) 80 100
90 80 70 Efficiency (%) 60 50 40 30 20 10 20 40 60 Load Current(%) 80 100
Efficiency(%)
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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MINMAX
REV:5 2008/10/02
MIW2300 Series
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 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 + Lin Current Probe +Vin +Out Load
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 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 at the input to ensure 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 4.7uF for the 24V input devices and a 2.2uF for the 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 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 to use 3.3uF capacitors at the output.
+ DC Power Source -Vin +Vin Single Output DC / DC Converter -Out +Out
+Vin Dual Output DC / DC Converter -Vin
+Out Com.
Copper Strip Cout Cout Scope Resistive Load Scope
-Out
Cout
Load
Design & Feature Considerations
Maximum Capacitive Load
The MIW2300 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. For optimum performance we recommend 680uF maximum capacitive load for 3.3V output, 470uF for 5V output, 330uF for 12V output, 220uF for 15V output, 150uF for {12V output and 100uF for {15V output. The maximum capacitance can be found in the data sheet.
+ DC Power Source -
+Vin
+Out Dual Output Com. DC / DC Converter Cout Load
-Vin
-Out
Overcurrent Protection
REV:5 2008/10/02
MINMAX
6
MIW2300 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 are 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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MINMAX
REV:5 2008/10/02
MIW2300 Series
Mechanical Dimensions
31.8 [1.25]
Physical Characteristics
Case Size
10.2 [0.40]
:
31.8*20.3*10.2 mm 1.25*0.80*0.40 inches Non-Conductive Black Plastic 12.2g UL94V-0
4.5 [0.18]
Side
Case Material Weight
: : :
2.5 [0.10]
0.50 [0.020] 2.54 [0.100] 4.5 [0.18]
Flammability
15.22 [0.600]
23 Bottom 23 22
9
11
16
14
Tolerance
Millimeters X.X{0.25 X.XX{0.13
Inches X.XX{0.01 X.XXX{0.005 {0.002
Pin
{0.05
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]
REV:5 2008/10/02
MINMAX
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