Page 2 - MPD MD100DER Datasheet
P. 2



Model Selection Guide www.micropowerdirect.com
Input Output
Switching Fuse Rating
Model Effi ciency
Number Voltage (VDC) Current (mA) Voltage Current Current (%, Typ) Frequency Slow-Blow
(VDC) (mA, Max) (mA, Min) (kHz) (mA)
Nominal Range Full-Load No-Load
MD105D-05ER 5 4.75 - 5.25 289 30 ±5.0 ±100 ±10.0 69 83 600
MD105D-09ER 5 4.75 - 5.25 317 30 ±9.0 ±56 ±6.0 63 83 600
MD105D-12ER 5 4.75 - 5.25 317 30 ±12.0 ±42 ±5.0 63 83 600
MD105D-15ER 5 4.75 - 5.25 307 30 ±15.0 ±33 ±4.0 65 250 600
MD112D-05ER 12 11.4 - 12.6 116 25 ±5.0 ±100 ±10.0 72 100 250
MD112D-09ER 12 11.4 - 12.6 116 25 ±9.0 ±56 ±6.0 62 83 250
MD112D-12ER 12 11.4 - 12.6 128 25 ±12.0 ±42 ±5.0 65 83 250
MD112D-15ER 12 11.4 - 12.6 126 25 ±15.0 ±33 ±4.0 66 83 250
MD124D-05ER 24 22.8 - 25.2 58 15 ±5.0 ±100 ±10.0 72 83 150
MD124D-09ER 24 22.8 - 25.2 67 15 ±9.0 ±56 ±6.0 62 83 150
MD124D-12ER 24 22.8 - 25.2 65 15 ±12.0 ±42 ±5.0 64 83 150
MD124D-15ER 24 22.8 - 25.2 63 15 ±15.0 ±33 ±4.0 66 300 150
Notes: Derating Curve
1. Operation at no load will not damage these units. However, they may not meet all specifi cations.
2. These converters will operate without external components. However, when measuring
output ripple, it is recommended that external capacitors be placed from each output to
common, as shown in the connection diagram below. An input capacitor will enhance
stability over temperature and input line variations. For applications requiring very low
output noise levels, a simple LC fi lter, as shown in the connection diagram below, should
be effective. Recommended component values are given in the table below the diagram.
3. Units that are specifi ed for momentary short circuit protection must be restarted after
a fault.











VIN C1 L1 VOUT L2, L3 C2, C3
5 VDC 4.7 µF/50V 4.7 - 10 µH ±5 VDC 4.7 - 10 µH 4.7 µF
12 VDC 2.2 µF/50V 4.7 - 10 µH ±9 VDC 4.7 - 10 µH 2.2 µF
24 VDC 0.47 µF/50V 4.7 - 10 µH ±12 VDC 4.7 - 10 µH 1.0 µF Mechanical Dimensions
±15 VDC 4.7 - 10 µH 0.47 µF
4. It is recommended that a fuse be used on the input of a power supply for protection. See
the Model Selection table above for the correct rating.






Pin Connections

Pin Function
1+VIN
2-VIN
7+VOUT
9-VOUT
10 Common





MicroPower Direct Notes:
• All dimensions are typical in inches (mm)
• Tolerance x.xx = ±0.02 (±0.50)
• Pin 1 is marked by a “dot” or indentation on the unit
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