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

4.5V-14V Input

0.75V-3.63V/10A Output

Input Specifications

Parameter

Min

Typ

Max

Notes

Input Voltage

Vo,set

< 3.0

Vo,set

≥ 3.0

4.5V

Vo,set +1.5V

-

-

14V

14V

Input Current (full load)

-

-

8.6A

An input line fuse must always

be used.

Input Current (no load)

-

40mA

-

Remote Off Input Current

-

2mA

-

Input Reflected Ripple Current (pk-pk)

-

-

400mA

Input Reflected Ripple Current (RMS)

-

-

150mA

Tested with one 1000uF/25V AL

input capacitor with ESR=0.03

ohm max and 4 × 47uF/16V tan

capacitors with ESR=0.013 ohm

max at 100KHz, & simulated

source impedance of 1000nH,

5Hz to 20MHz.

I

-

0.04A

0.08A

Turn-on Voltage Threshold

-

4.3V

Turn-off Voltage Threshold

-

4.0V

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=12V, full load

Load Regulation

-

0.1%Vo,set

-

Line Regulation

-

0.1%Vo,set

-

Regulation Over Temperature

(-40

°C to +85°C)

-

0.3Vo,set

-

Tref=Ta, min to Ta, max

Output Current

0A

-

10A

Current Limit Threshold

-

200% Io,out

-

Short Circuit Surge Transient

-

1A

3A

Ripple and Noise (pk-pk)

-

30mV

75mV

Ripple and Noise (RMS)

-

12mV

35mV

Tested with 0-20MHz, with

10uF tantalum capacitor &

1uF ceramic capacitor at the

output

Turn on Time

-

8mS

20mS

Overshoot at Turn on

-

-

1%

Output Capacitance

0uF

-

5600uF

Transient Response

50% ~ 100% Max Load

-

160mV

-

Settling Time

-

50uS

-

100% ~ 50% Max Load

-

160mV

-

Settling Time

3.63V

-

50uS

-

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

12V; and with 470uF

tantalum capacitor at the

output

Note