Bel Fuse Inc. 206 Van Vorst Street, Jersey City, NJ 07302

3

NON-ISOLATED DC/DC CONVERTERS

4.5 Vdc - 13.8 Vdc Input

0.591 Vdc - 5.1 Vdc/20 A Output

Apr. 14, 2011

Bel Power Inc., a subsidiary of Bel Fuse Inc.

Output Specifications (continued)

Parameter

Min

Typ

Max

Unit

Notes

Turn On Time

-

2

10

mS

Overshoot at Turn on and off

-

-

5

%

Output Capacitance

0

-

1000

uF

Transient Response

Overshoot

-

200

300

mV

of Max Load

Settling Time

-

-

50

uS

Overshoot

-

200

300

mV

of Max Load

Settling Time

Vo=All

-

-

50

uS

di/dt = 2.5 A/uS; Vin =12 V; with 10 uF

tantalum cap and 1 uF ceramic at the

output, Ta=25

C

Note: All specifications are typical at 25°C unless otherwise stated.

General Specifications

Parameter

Min

Typ

Max

Unit

Notes

Efficiency

Vo=5.0 V

Vo=3.3 V

Vo=2.5 V

Vo=1.5 V

Vo=0.591 V

-

-

-

-

-

94

92

90

85

70

-

-

-

-

-

%

%

%

%

%

Vin=12V, full load

Switching Frequency

-

500

-

kHz

Output Voltage Trim Range

0.591

-

5.1

V

Remote Sense Compensation

-

-

0.2

V

Vin=12 V, Io=full load

Weight

-

9.7

-

g

MTBF

TBD

-

C)

Dimensions

Inches (L × W × H)

Millimeters (L × W × H)

1.45 x 0.61 x 0.40

36.83 x 15.49 x 10.15

-

Control Specifications

Parameter

Min

Typ

Max

Unit

Notes

Remote On/Off (Active High)

Signal Low (Unit Off)

-0.3

-

0.4

V

Signal High (Unit On)

2

-

5.5

V

Remote On/Off pin is open, unit is on.

PwGood (PowerGood)

2.4

-

6

V

PwGood = High = Power

Good

-

-

2

mA

0

-

0.35

V

PwGood = Low = Power Not

Good

-

-

5

mA