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

3

NON-ISOLATED DC/DC CONVERTERS

2.4 Vdc - 5.5 Vdc Input, 0.6 Vdc - 3.63 Vdc /12 A Output

December 2, 2010

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

Output Specifications

Parameter

Min

Typ

Max

Unit

Notes

Output Voltage Set Point

-1.5

-

+1.5

%Vo,set

with 0.5% tolerance for external resistor used to

set output voltage

Output Voltage

-3.0

-

+3.0

%Vo,set

Over all operating input voltage, resistive load,

and temperature conditions until end of life

Adjustment Range

0.6

-

3.63

V

selected by an external resistor

Remote Sense Range

-

-

0.5

V

-

-

0.4

%Vo,set

Output Regulation

-

-

10

mV

-

-

10

mV

-

-

5

mV

Output Regulation

-

-

0.4

%Vo,set

Ripple and Noise (pk-pk)

-

25

35

mV

Ripple and Noise (rms)

-

10

15

mV

Output Current Range

0

-

12

A

Output DC Current Limit

-

-

200

%Io,max

Hiccup Mode

Output Short-Circuit Current

-

30

-

%Io,max

Vo≤250mV, Hiccup Mode

Output Capacitance

ESR≥ 1 mΩ

ESR≥0.15 mΩ

ESR≥ 10 mΩ

0

0

0

-

-

-

200

1000

5000

uF

uF

uF

Without the Tunable Loop

TM

With the Tunable Loop

TM

With the Tunable Loop

TM

-

2

-

mS

Case 1: On/Off input is enabled and then input

power is applied (delay from instant at which

Turn-On Delay Time

-

2

-

mS

Case 2: Input power is applied for at least one

second and then the On/Off input is enabled

(delay from instant at which Von/Off is enabled

until Vo =10% of Vo, set)

Output voltage Rise time

-

5

-

mS

time for Vo to rise from 10% of Vo, set to 90%

of Vo, set

Output voltage overshoot

-

-

3

%Vo

maximum external capacitance

Note: Unless otherwise indicated, specifications apply over all operating input voltage, resistive load, and

temperature conditions.