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MIR500 Series
2W, Ultra-High Isolation DIP, Single & Dual Output DC/DC Converters
Key Features
Low Cost 6000VDC Isolation MTBF > 600,000 Hours Short Circuit Protection Input 5, 12 and 24VDC Output 5, 12, 15, {5, {12 and {15VDC Regulated Outputs Low Isolation Capacitance Low Leakage Current Complies with EN55022 Class A
Minmax's MIR500 2W DC/DC's are specially designed to provide ultra-high levels of isolation 6000VDC in a low-profile DIP package. The series consists of 18 models with input voltages of 5V, 12V and 24VDC which offers regulated output voltages of 5V, 12V, 15VDC in both single and dual output configurations. The MIR500 series is an excellent selection for a variety of applications including mixed analog/digital subsystems, railroad/transportation equipments, medical equipment subsystems, process/machine control equipments and automatic test instrumentation.
$
Low Cost
6000 VDC
I/O Isolation
EMI
EN55022 Low Noise
Block Diagram
Single Output Dual Output
+Vin LC Filter -Vin Bipolar Push-Pull Inverter
Low Dropout Regulator
+Vo +Vin LC Filter -Vin -Vo Bipolar Push-Pull Inverter
Positive Regulator
+Vo
Com.
Negative Regulator
-Vo
1
MINMAX
REV:0 2005/04
MIR500 Series
Model Selection Guide
Model Number Input Voltage Output Voltage Output Current Input Current Reflected Ripple Current mA (Typ.) Efficiency
VDC MIR501 MIR502 MIR503 MIR504 MIR505 MIR506 MIR511 MIR512 MIR513 MIR514 MIR515 MIR516 MIR521 MIR522 MIR523 MIR524 MIR525 MIR526
5 (4.5 ~ 5.5)
12 (10.8 ~ 13.2)
24 (21.6 ~ 26.4)
VDC 5 12 15 {5 {12 {15 5 12 15 {5 {12 {15 5 12 15 {5 {12 {15
Max. mA 400 165 133 {100 {83 {66 400 165 133 {100 {83 {66 400 165 133 {100 {83 {66
Min. mA
0
0
0
@Max. Load mA (Typ.) 645 629 623 476 699 695 269 262 260 185 281 280 134 131 130 93 143 142
@No Load mA (Typ.)
100
15
50
8
30
3
@Max. Load % (Typ.) 62 63 64 42 57 57 62 63 64 45 59 59 62 63 64 45 58 58
Absolute Maximum Ratings
Parameter 5VDC Input Models Input Surge Voltage 12VDC Input Models ( 1000 mS ) 24VDC Input Models Lead Temperature (1.5mm from case for 10 Sec.) Internal Power Dissipation Min. -0.7 -0.7 -0.7 ----Max. 7.5 15 30 260 2,000 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 50% to 100%. 3. Ripple & Noise measurement bandwidth is 0-20 MHz. 4. All DC/DC converters should be externally fused at the front end for protection.
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. Max. -25 +60 -25 +90 -40 +125 --95 Free-Air Convection EN55022 Class A Unit ] ] ] %
5. Other input and output voltage may be available, please contact factory. 6. Specifications subject to change without notice.
REV:0 2005/04
MINMAX
2
MIR500 Series
Input Specifications
Parameter Input Voltage Range Reverse Polarity Input Current Short Circuit Input Power Input Filter All Models Model 5V Input Models 12V Input Models 24V Input Models Min. 4.5 10.8 21.6 ----Typ. 5 12 24 ----Pi Filter Max. 5.5 13.2 26.4 0.5 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 Load Transient Recovery Time Transient Response Deviation Temperature Coefficient Output Short Circuit 50% Load Step Change Over Line, Load & Temp. Dual Output, Balanced Loads Vin=Min. to Max. Io=10% to 100% Conditions Min. --------------120 ------Continuous Typ. {2.0 {2.0 {0.3 {0.5 30 ----------{0.01 Max. {4.0 {4.0 {0.5 {1.0 50 100 5 --50 {6 {0.02 Unit % % % % 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. 6000 8000 --10 --25 600 Typ. --------20 ----Max. ----2 --30 80 --Unit VDC VDC uA G[ pF KHz K Hours
Capacitive Load
Models by Vout Maximum Capacitive Load # For each output 5V 680 12V 680 15V 680 {5V # 270 {12V # 270 {15V # 270 Unit uF
Input Fuse Selection Guide
5V Input Models 1000mA Slow - Blow Type 12V Input Models 500mA Slow - Blow Type 24V Input Models 250mA Slow - Blow Type
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MINMAX
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MIR500 Series
80 70 Efficiency (%) 60 50 40 30 Efficiency (%) Low Nom Input Voltage (V) High
80 70 60 50 40 30
Low
Nom Input Voltage (V)
High
Efficiency vs Input Voltage ( Single Output )
Efficiency vs Input Voltage ( Dual Output )
90 80 Efficiency (%) Efficiency (%) 10 20 40 60 80 70 60 50 40 30 20 100
90 80 70 60 50 40 30 20 10 20 40 60 80 100
Load Current (%)
Load Current (%)
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 -25
50 60 70 80 ] 90 100 110
Ambient Temperature
Derating Curve
REV:0 2005/04
MINMAX
4
MIR500 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
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 5V input devices and a 2.2uF for the 12V and 24V devices.
+ DC Power Source + Cin -Vin -Out +Vin DC / DC Converter +Out Load
+Vin
+Out Load
DC / DC Converter -Vin -Out
-
Cin
Output Ripple Reduction
Peak-to-Peak Output Noise Measurement Test
Use a Cout 0.33uF 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
+ +Vin +Out Dual Output DC / DC Com. Converter -Vin -Out Cout 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 to use 1.5uF capacitors at the output.
+ DC Power Source +Vin Single Output DC / DC Converter -Vin -Out +Out
+Out
Copper Strip Cout Scope Resistive Load
Cout
Load
-
+Vin Dual Output DC / DC Converter -Vin
+Out Com.
Copper Strip Cout Cout Scope Resistive Load Scope
DC Power Source -
-Out
Design & Feature Considerations
Maximum Capacitive Load
The MIR500 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 270uF maximum capacitive load for dual outputs and 680uF capacitive load for single outputs. The maximum capacitance can be found in the data sheet.
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 are determined from measurements obtained in an experimental apparatus.
Position of air velocity probe and thermocouple 15mm / 0.6in
50mm / 2in
Air Flow
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.
DUT
5
MINMAX
REV:0 2005/04
MIR500 Series
Mechanical Dimensions
Top View ( 2.54 mm / 0.1 inch grids )
Connecting Pin Patterns
Single Output
31.8 [1.25]
Side
0.50 [0.020] 2.54 [0.100] 2.0 [0.08]
10.2 [0.40]
3.8 [0.15]
Dual Output
15.22 [0.600]
12 Bottom 24 23 15 13 10 11 12
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 1 2 10 11 12 13 15 23 24 Single Output +Vin +Vin No Pin No Pin -Vout +Vout No Pin -Vin -Vin Dual Output +Vin +Vin Common Common No Pin -Vout +Vout -Vin -Vin
20.3 [0.80]
Physical Characteristics
31.8*20.3*10.2 mm 1.25*0.80*0.40 inches Non-Conductive Black Plastic 12.4g UL94V-0
Case Size
:
Case Material Weight Flammability
: : :
The MIR500 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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