Bel Fuse Inc.

206 Van Vorst Street, Jersey City, NJ 07302

• Tel 201-432-0463 • Fax 201-432-9542 • www.belfuse.com

NON-ISOLATED DC/DC CONVERTER

12 Vdc Input

1.2 Vdc - 5.0 Vdc/15 A Output

General Specifications

Parameter

Min

Typ

Max

Notes

Efficiency (Current Source)

Vo=5.0 V

Vo=3.3 V

Vo=2.5 V

Vo=1.8 V

Vo=1.5 V

Vo=1.25 V

Vo=1.2 V

90%

87%

84%

80%

78%

76%

76%

92%

89%

87%

82%

80%

79%

79%

-

-

-

-

-

-

-

Efficiency (Current Sink)

Vo=5.0 V

Vo=3.3 V

Vo=2.5 V

Vo=1.8 V

Vo=1.5 V

Vo=1.25 V

Vo=1.2 V

88%

84%

81%

77%

73%

68%

68%

91%

87%

84%

80%

76%

71%

71%

-

-

-

-

-

-

-

Measured at Vin=12 V, full load.

Switching Frequency

200 kHz

220 kHz

240 kHz

Output Voltage Trim Range

1.2 V

-

5.0 V

Vo=1.2 V when the Trim pin is open.

MTBF

3,664,032 hours

°C)

Dimensions

Inches (L × W × H)

Millimeters (L × W × H)

1.2 x 1.0 x 0.457

30.48 x 25.4 x 11.6

Weight

-

14.2 g

-

Note

Control Specifications

Parameter

Min

Typ

Max

Notes

Remote On/Off

Signal Low (Unit Off)

0 V

-

1 V

Signal High (Unit On)

2.4 V

-

13.2 V

Remote On/Off pin open, the module is

ON.

Power Good

Power Good Delay

1

-

-

10 mS

Signal Low

2

-

0.3 V

-

Current Sink

-

5 mA

-

Notes

1. Power good delay time is the time from output voltage in full regulation to power good asserted.

2. The power good signal is an open collector output. When the output of the module reaches 90%

of the nominal set point, the power good pin is set high.