Model Selection Guide
www.micropowerdirect.com
Input
Output
Fuse
Rating
Over
Efficiency Voltage
(%, Typ) Protection
(VDC Typ)
Capacitive
Model
Number
Voltage (VDC)
Current (mA)
Full-Load No-Load
Load
Voltage Current
Current
Slow-Blow
(mA)
(µF, Max)
(VDC) (mA, Max) (mA, Min)
Nominal
12
12
12
12
12
12
12
12
12
24
24
24
24
24
24
24
24
24
48
48
48
48
48
48
48
48
48
Range
MB1512S-03ERW
MB1512S-05ERW
MB1512S-12ERW
MB1512S-15ERW
MB1512S-24ERW
MB1512D-05ERW
MB1512D-12ERW
MB1512D-15ERW
MB1512D-24ERW
MB1524S-03ERW
MB1524S-05ERW
MB1524S-12ERW
MB1524S-15ERW
MB1524S-24ERW
MB1524D-05ERW
MB1524D-12ERW
MB1524D-15ERW
MB1524D-24ERW
MB1548S-03ERW
MB1548S-05ERW
MB1548S-12ERW
MB1548S-15ERW
MB1548S-24ERW
MB1548D-05ERW
MB1548D-12ERW
MB1548D-15ERW
MB1548D-24ERW
Notes:
9.0 - 18.0
9.0 - 18.0
9.0 - 18.0
9.0 - 18.0
9.0 - 18.0
9.0 - 18.0
9.0 - 18.0
9.0 - 18.0
9.0 - 18.0
18.0 - 36.0
18.0 - 36.0
18.0 - 36.0
18.0 - 36.0
18.0 - 36.0
18.0 - 36.0
18.0 - 36.0
18.0 - 36.0
18.0 - 36.0
36.0 - 75.0
36.0 - 75.0
36.0 - 75.0
36.0 - 75.0
36.0 - 75.0
36.0 - 75.0
36.0 - 75.0
36.0 - 75.0
36.0 - 75.0
1,465
1,405
1,405
1,405
1,389
1,453
1,420
1,420
1,420
625
695
703
695
695
727
710
710
710
316
360
352
348
352
363
355
355
65
60
25
25
30
30
25
25
20
35
35
20
20
25
25
20
20
20
35
35
25
15
15
20
15
15
15
3.3
5.0
12.0
15.0
24.0
5.0
12.0
15.0
24.0
3.3
4,000
3,000
1,250
1,000
625
1,500
625
500
200
150
63
50
32
75
32
25
16
200
150
63
50
32
75
32
25
16
200
150
63
50
32
75
32
25
16
87
89
89
89
90
86
88
88
88
88
90
89
90
90
86
88
88
88
87
87
89
90
89
86
88
88
88
3.9
6.2
15.0
18.0
30.0
6.2
15.0
18.0
30.0
3.9
10,500
4,020
1,035
705
250
1,020
495
165
200
10,500
4,020
1,035
705
250
1,020
495
165
200
10,500
4,020
1,035
705
250
1,020
495
3,000
3,000
3,000
3,000
3,000
3,000
3,000
3,000
3,000
1,500
1,500
1,500
1,500
1,500
1,500
1,500
1,500
1,500
1,000
1,000
1,000
1,000
1,000
1,000
1,000
1,000
1,000
313
4,000
3,000
1,250
1,000
625
1,500
625
500
5.0
6.2
12.0
15.0
24.0
5.0
12.0
15.0
24.0
3.3
15.0
18.0
30.0
6.2
15.0
18.0
30.0
3.9
313
4,000
3,000
1,250
1,000
625
1,500
625
500
5.0
6.2
12.0
15.0
24.0
5.0
12.0
15.0
24.0
15.0
18.0
30.0
6.2
15.0
18.0
30.0
165
200
355
313
Derating Curve Output Over 5VDC
1. Start up time is measured at nominal input and with a constant resistive load.
2. Cross regulation is measured with the output being tested at 50% load. The second output is varied
from 10% to 100% load.
3. When measuring output ripple, it is recommended that an external ceramic capacitor (approx
1 µF to 10 µF) be placed from the +VOUT to the -VOUT pins.
4. Short circuit protection is provided by a “hiccup mode” circuit.
5. Isolation capacitance for 24 VDC output models is 2,000 pF. Isolation capacitance is measured from
input to output at 100 kHz/0.1V.
6. The maximum control current at the on/off pin (pin 6) during a logic high is 50 µA. The maximum
control current to the on/off pin at logic low (-0.7V to 0.8V) is 1 mA. If the on/off pin is left open, the
unit operates. If it is grounded, the unit will shut off.
7. These units should not be operated with a load under 10% of full load. Operation at no-load will not
damage the unit, but they may not meet all specifications.
8. These units should not be operated over +85°C. Exceeding +85°C may damage the unit.
9. 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.
External Trim
Derating Curve Output 5VDC & 3.3VDC
On single output units, a simple external circuit may be used to adjust the converter output.
To adjust the output DOWN, connect a 5%, 3W resistor between the plus output pin and
the Vout trim pin. To adjust the output UP, connect a 5%, 3W resistor between the minus
output pin and the Vout trim pin.
For UP/Down trimming capability, connect a 10 kW potentiom-
eter between the plus and minus outputs with the wiper arm
connected to the Vout trim pin.
292 Page Street Ste D Stoughton, MA 02072
• TEL: (781) 344-8226 • FAX: (781) 344-8481 • E-Mail: sales@micropowerdirect.com
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