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MSAU100 Series
1W, Miniature SMD, Single Output DC/DC Converters
Key Features
Efficiency up to 82% 1000VDC Isolation MTBF > 2,000,000 Hours Low Cost Input 5 and 12VDC Output 3.3, 5, 9, 12 and 15VDC Temperature Performance -40] to +85] Lead Frame Technology UL 94V-0 Package Material Interanl SMD Construction
Minmax's MSAU100 1W DC/DC's are in "gull-wing" SMT package, weigh a mere 1.5 grams and meet 245]/10sec in solder-reflow for lead free process. The series consists of 9 models with input voltages of 5V and 12VDC which offers standard single output voltages of 3.3V, 5V, 9V, 12V and 15VDC for the choice. Their impressive guaranteed efficiencies enable all models to deliver their fully rated output power from -40] to +85] without heat sinking or forced-air cooling. The MSAU100 series is an excellent selection for a variety of applications including data communication equipments, distributed power systems, telecommunication equipments and industrial robot systems. The MSAU100 units are available in tape and reel package.
I/O Isolation
Low Cost Low Profile SMD
1000 VDC
$
Block Diagram
+Vo +Vin Bipolar Push-Pull Inverter -Vin -Vo
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MSAU100 Series
Model Selection Guide
Model Number Input Voltage Output Voltage Output Current Input Current Load Regulation Efficiency
VDC MSAU101 MSAU102 MSAU103 MSAU104 MSAU105 MSAU111 MSAU112 MSAU113 MSAU114 12 ( 10.8 ~ 13.2 ) 5 ( 4.5 ~ 5.5 )
VDC 5 9 12 15 3.3 5 9 12 15
Max. mA 200 110 84 67 300 200 110 84 67
Min. mA 4 2 1.5 1 60 4 2 1.5 1
@Max. Load mA (Typ.) 250 254 252 248 264 103 106 104 102
@No Load mA (Typ.)
% (Max.) 10 10 8 7 10 8 8 5 5
@Max. Load % (Typ.) 80 78 80 81 75 81 78 81 82
30
15
Absolute Maximum Ratings
Parameter Input Surge Voltage ( 1000 mS ) Internal Power Dissipation 5VDC Input Models 12VDC Input Models Min. -0.7 -0.7 ----Max. 9 18 260 450 Unit VDC VDC ] mW
Notes :
1. Specifications typical at Ta=+25], resistive load, nominal input voltage, rated output current unless otherwise noted. 2. Ripple & Noise measurement bandwidth is 0-20 MHz. 3. These power converters require a minimum output loading to maintain specified regulation. 4. Operation under no-load conditions will not damage these modules; however, they may not meet all specifications listed.
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.
Environmental Specifications
Parameter Operating Temperature Operating Temperature Storage Temperature Humidity Cooling Conditions Ambient Case Min. -40 -40 -40 --Free-Air Convection Max. +85 +90 +125 95 Unit ] ] ] %
5. All DC/DC converters should be externally fused at the front end for protection. 6. Other input and output voltage may be available, please contact factory. 7. Specifications subject to change without notice.
Input Specifications
Parameter Input Voltage Range Reverse Polarity Input Current Input Filter Model 5V Input Models 12V Input Models All Models Min. 4.5 10.8 --Typ. 5 12 --Max. 5.5 13.2 0.3 Unit VDC A
Internal Capacitor
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MSAU100 Series
Output Specifications
Parameter Output Voltage Accuracy Line Regulation Load Regulation Ripple & Noise (20MHz) Ripple & Noise (20MHz) Ripple & Noise (20MHz) Over Load Temperature Coefficient Output Short Circuit Over Line, Load & Temp. For Vin Change of 1% Io=20% to 100% Conditions Min. ----------120 --0.5 Second Max. Typ. {1.0 {1.2 60 ------{0.01 Max. {3.0 {1.5 120 150 5 --{0.02 Unit % % % mV P-P mV P-P mV rms % %/]
See Model Selection Guide
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. 1000 1100 1000 --50 2000 Typ. ------40 100 --Max. ------100 140 --Unit VDC VDC M[ pF KHz K Hours
Capacitive Load
Models by Vout Maximum Capacitive Load 3.3V 33 5V 33 9V 33 12V 33 15V 33 Unit uF
Input Fuse Selection Guide
5V Input Models 500mA Slow - Blow Type 12V Input Models 200mA Slow - Blow Type
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90 80 Efficiency (%) 70 60 50 40
60 50
100 90 Efficiency (%) 80 70
30
Low Nom Input Voltage (V) High
20
10
20
40
60
80
100
Load Current (%)
Efficiency vs Input Voltage
Efficiency vs Output Load
100 80 Output Power (%)
100LFM
400LFM 200LFM
60 Natural convection
40
20 0 -40
50 60 70 80 ] 90 100 110
Ambient Temperature
Derating Curve
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MSAU100 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
+ DC Power Source + Cin -Vin -Out +Vin DC / DC Converter +Out Load
KHz) capacitor of 2.2uF for the 5V input devices, and a 1.0uF for the 12V devices.
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 0.47uF capacitors at the output.
DC / DC Converter -Vin -Out
Cin
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 +Out Copper Strip Cout Scope Resistive Load
+ DC Power Source -Vin +Vin Single Output DC / DC Converter -Out +Out
Cout
Load
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.
Design & Feature Considerations
Maximum Capacitive Load
The MSAU100 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 33uF maximum capacitive load. The maximum capacitance can be found in the data sheet.
Position of air velocity probe and thermocouple 15mm / 0.6in
50mm / 2in
Air Flow
DUT
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 recommeded to use a good quality low Equivalent Series Resistance (ESR < 1.0[ at 100
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MSAU100 Series
Mechanical Dimensions
0.3[0.01]
Connecting Pin Patterns
Top View ( 2.54 mm / 0.1 inch grids )
12.7 [0.50]
8.0 [0.31]
+4
8
7
6
5
] 02 0. [R .5 R0
0.9[0.04]
7.62mm 1.7mm
1
2
3
4
[Magnification of A]
2.0 [0.08]
6.2 [0.24] 1C
A
10.8mm
0.60 [0.024]
6.8 [0.27]
S SEATING PLANE
2.54mm
1.0mm Min
0.3 [0.01]
7.6 [0.30]
9.2 [0.36] 11.2 [0.44]
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 3 4 5 6 7 8 Function -Vin +Vin NA -Vout +Vout NA NA NA NA : Not Available for Electrical Connection
4
2.54 [0.100]
7.0 [0.28]
Physical Characteristics
Case Size : 12.7*8.0*6.8 mm 0.50*0.31*0.27 inches Molding 1.5g UL94V-0
Case Material Weight Flammability
: : :
The MSAU100 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.
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MINMAX
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MSAU100 Series
Packaging Specifications
30.4 Max 2.0+1 / -0
0 330.0 Max
0 100.0 Min
0 13.00 0.25
All dimentions in mm
Tape
Sprocket hole 0 1.55 +0.1 / -0 4.00 2.00 Sprocket hole tolerance over any 10 pitches 0.2
11.50 1.75 13.20 24.00 0.3
All dimentions in mm XX.XX 0.1
0 1.50 +0.25 / -0
Direction of Unreeling
11.60
16.00
0.4 +/- 0.05
7.20
0.30
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MSAU100 Series
Tube
14.5 7.2
7.3 8.6 10.4
0.5 +/- 0.1
Tube material: PVC 4.5 5.0 All dimensions in mm, +/- 0.25mm
346 +/-1.5
Packaging Details
Packaging Style Tube Tape and Reel to IEC 286-3 Specifications Quantity 25 500
REV:0 2005/04
MINMAX
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