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 CONVERTERS

4.5 Vdc - 14 Vdc Input

0.75 Vdc - 3.63 Vdc/10 A Output

Input Specifications

Parameter

Min

Typ

Max

Notes

Input Voltage

Vo,set <3.0 V

Vo,set≥3.0 V

4.5 V

Vo,set +1.5 V

-

-

14 V

14 V

Input Current (full load)

-

-

8.6 A

An input line fuse must always be

used.

Input Current (no load)

-

40 mA

-

Remote Off Input Current

-

2 mA

-

Input Reflected Ripple Current (pk-pk)

-

-

400 mA

Input Reflected Ripple Current (rms)

-

-

150 mA

Tested with one 1000 uF/25 V AL

input capacitor with ESR=0.03 ohm

max and 4 × 47 uF/16 V tan

capacitors with ESR=0.013 ohm

max at 100 kHz, & simulated source

impedance of 1000 nH, 5 Hz to

20 MHz.

I

-

0.04 A

0.08 A

Turn-on Voltage Threshold

-

4.3 V

Turn-off Voltage Threshold

-

4.0 V

Note

: All specifications are typical at 25

°C unless otherwise stated.

Output Specifications

Parameter

Min

Typ

Max

Notes

Output Voltage Set Point

-2% Vo,set

-

2% Vo,set

Vin=12 V, full load

Load Regulation

-

0.1% Vo,set

-

Line Regulation

-

0.1% Vo,set

-

Regulation Over Temperature

(-40

°C to +85 °C)

-

0.3 Vo,set

-

Tref=Ta, min to Ta, max

Output Current

0 A

-

10 A

Current Limit Threshold

-

200% Io,out

-

Short Circuit Surge Transient

-

1 A

3 A

Ripple and Noise (pk-pk)

-

30 mV

75 mV

Ripple and Noise (rms)

-

12 mV

35 mV

Tested with 0-20 MHz, with

10 uF tantalum capacitor &

1 uF ceramic capacitor at the

output

Turn on Time

-

8 mS

20 mS

Overshoot at Turn on

-

-

1%

Output Capacitance

0 uF

-

5600 uF

Transient Response

50% ~ 100% Max Load

-

160 mV

-

Settling Time

-

50 uS

-

100% ~ 50% Max Load

-

160 mV

-

Settling Time

All output

-

50 uS

-

di/dt=2.5 A/uS; Vin=5 V &

12 V; and with 470 uF

tantalum capacitor at the

output

Note