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

8.3 Vdc - 14 Vdc Input

0.75 Vdc - 5.5 Vdc/16 A Output

Input Specifications

Parameter

Min

Typ

Max

Notes

Input Voltage

Vo, set≤3.63 V

8.3 V

8.3 V

12 V

12 V

14 V

13.2 V

Input Current (full load)

-

-

11 A

Input Current (no load)

-

100 mA

-

Remote Off Input Current

-

2 mA

-

Input Reflected Ripple Current (pk-pk)

-

30 mA

-

Tested with one 1000 uF/25 V AL input

capacitor with ESR=0.03 ohm max and

6 × 47uF/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

-

0.2 A

0.4 A

Turn-on Voltage Threshold

-

7.8 V

-

Turn-off Voltage Threshold

-

7.3 V

-

Note

Output Specifications

Parameter

Min

Typ

Max

Notes

Output Voltage Set Point

-2% Vo,set

-

2% Vo,set

Vin=12 V, full load

Load Regulation

-

0.4% Vo,set

-

Io=Iomin to Iomax

Line Regulation

-

0.3% Vo,set

-

Vin=Vinmin to Vinmax

Regulation Over Temperature

(-40

°C to +85°C)

-

0.4% Vo,set

-

Tref=Tamin to Tamax

Output Current

0 A

-

16 A

Current Limit Threshold

-

180% Io,out

-

Short Circuit Surge Transient

-

1 A

3 A

Ripple and Noise (pk-pk)

-

50 mV

100 mV

Ripple and Noise (rms)

-

30 mV

45 mV

Tested with 0-20 MHz, 10 uF

Tantalum capacitor &1 uF

ceramic capacitor at the output

Turn on Time

-

8 mS

20 mS

Overshoot at Turn on

-

-

1% Vo,set

0 uF

-

5000 uF

ESR≥10 mohm

Output Capacitance

0 uF

-

1000 uF

ESR≥1 mΩ

Transient Response

50% ~ 100% Max Load

-

100 mV

-

Settling Time

-

80 uS

-

100% ~ 50% Max Load

-

100 mV

-

Settling Time

All

-

80 uS

-

di/dt=2.5 A/uS; Vin=12 V; and

with 330uF Tantalum

capacitors at the output

Note