Model Selection Guide

www.micropowerdirect.com

Notes:

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

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.

Model

Number

Input

Output

Efficiency

(%, Typ)

Over

Voltage

Protection

(VDC Typ)

Capacitive

Load

(µF, Max)

Fuse

Rating

Slow-Blow

(mA)

Current (mA)

Voltage

(VDC)

Current

(mA, Max)

Current

(mA, Min)

Nominal

Range

Full-Load No-Load

MB1512S-03ERW

12

9.0 - 18.0

1,465

65

3.3

4,000

200

87

3.9

10,500

3,000

MB1512S-05ERW

12

9.0 - 18.0

1,405

60

5.0

3,000

150

89

6.2

4,020

3,000

MB1512S-12ERW

12

9.0 - 18.0

1,405

25

12.0

1,250

63

89

15.0

1,035

3,000

MB1512S-15ERW

12

9.0 - 18.0

1,405

25

15.0

1,000

50

89

18.0

705

3,000

MB1512S-24ERW

12

9.0 - 18.0

1,389

30

24.0

625

32

90

30.0

250

3,000

MB1512D-05ERW

12

9.0 - 18.0

1,453

30

±5.0

±1,500

±75

86

±6.2

±1,020

3,000

MB1512D-12ERW

12

9.0 - 18.0

1,420

25

±12.0

±625

±32

88

±15.0

±495

3,000

MB1512D-15ERW

12

9.0 - 18.0

1,420

25

±15.0

±500

±25

88

±18.0

±165

3,000

MB1512D-24ERW

12

9.0 - 18.0

1,420

20

±24.0

±313

±16

88

±30.0

±200

3,000

MB1524S-03ERW

24

18.0 - 36.0

625

35

3.3

4,000

200

88

3.9

10,500

1,500

MB1524S-05ERW

24

18.0 - 36.0

695

35

5.0

3,000

150

90

6.2

4,020

1,500

MB1524S-12ERW

24

18.0 - 36.0

703

20

12.0

1,250

63

89

15.0

1,035

1,500

MB1524S-15ERW

24

18.0 - 36.0

695

20

15.0

1,000

50

90

18.0

705

1,500

MB1524S-24ERW

24

18.0 - 36.0

695

25

24.0

625

32

90

30.0

250

1,500

MB1524D-05ERW

24

18.0 - 36.0

727

25

±5.0

±1,500

±75

86

±6.2

±1,020

1,500

MB1524D-12ERW

24

18.0 - 36.0

710

20

±12.0

±625

±32

88

±15.0

±495

1,500

MB1524D-15ERW

24

18.0 - 36.0

710

20

±15.0

±500

±25

88

±18.0

±165

1,500

MB1524D-24ERW

24

18.0 - 36.0

710

20

±24.0

±313

±16

88

±30.0

±200

1,500

MB1548S-03ERW

48

36.0 - 75.0

316

35

3.3

4,000

200

87

3.9

10,500

1,000

MB1548S-05ERW

48

36.0 - 75.0

360

35

5.0

3,000

150

87

6.2

4,020

1,000

MB1548S-12ERW

48

36.0 - 75.0

352

25

12.0

1,250

63

89

15.0

1,035

1,000

MB1548S-15ERW

48

36.0 - 75.0

348

15

15.0

1,000

50

90

18.0

705

1,000

MB1548S-24ERW

48

36.0 - 75.0

352

15

24.0

625

32

89

30.0

250

1,000

MB1548D-05ERW

48

36.0 - 75.0

363

20

±5.0

±1,500

±75

86

±6.2

±1,020

1,000

MB1548D-12ERW

48

36.0 - 75.0

355

15

±12.0

±625

±32

88

±15.0

±495

1,000

MB1548D-15ERW

48

36.0 - 75.0

355

15

±15.0

±500

±25

88

±18.0

±165

1,000

MB1548D-24ERW

48

36.0 - 75.0

355

15

±24.0

±313

±16

88

±30.0

±200

1,000

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.

External Trim