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

10 Vdc - 14 Vdc Input

0.75 Vdc - 6.0 Vdc/6 A Output

Input Specifications (continued)

Parameter

Min

Typ

Max

Notes

Input Reflected Ripple Current

(pk-pk)

-

120 mA

-

Input Reflected Ripple Current

(rms)

-

40 mA

-

Tested with two 100 uF/25 V tan input

capacitors & simulated source

impedance of 1uH, 5 Hz to 20 MHz.

I

-

0.002 A

0.02 A

Turn-on Voltage Threshold

-

9.5 V

9.8 V

Turn-off Voltage Threshold

-

9.0 V

9.5 V

Output Specifications

Parameter

Min

Typ

Max

Notes

Output Voltage Set Point

-2%Vo,set

-

2%Vo,set

Vin=12 V, full load

Output Voltage Set Point

-2.5%Vo,set

-

3.5%Vo,set

Over all operating input voltages,

resistive loads and temperature

conditions

Load Regulation

-

0.4%Vo,set

-

Io=Io, min to Io, max

Line Regulation

-

0.3%Vo,set

-

Vin=Vin, min to Vin, max

Regulation Over Temperature

(-40

°C to +85 °C)

-

0.5%Vo,set

-

Tref=Ta, min to Ta, max

Output Current

0 A

-

6 A

Current Limit Threshold

7 A

-

15 A

Short Circuit Surge Transient

-

0.25 A

-

Ripple and Noise (pk-pk)

Vo=6.0 V

Vo=5.0 V

Vo=3.3 V

Vo=2.5 V

Vo=1.8 V

Vo=0.75 V

-

-

-

-

-

-

85 mV

75 mV

60 mV

50 mV

40 mV

20 mV

-

-

-

-

-

-

Ripple and Noise (rms)

Vo=6.0 V

Vo=5.0 V

Vo=3.3 V

Vo=2.5 V

Vo=1.8 V

Vo=0.75 V

-

-

-

-

-

-

30 mV

25 mV

20 mV

15 mV

12 mV

7 mV

-

-

-

-

-

-

Tested with 0-20 MHz, with

10 uF/10 V tantalum capacitor

and 1uF/10 V ceramic capacitor

at the output

Turn on Time

-

15 mS

25 mS

Overshoot at Turn on

-

0%

3%

Output Capacitance

ESR

≥ 1mohm

ESR

≥ 10mohm

0 uF

0 uF

-

-

1000 uF

3300 uF

Transient Response

50% ~ 100% Max Load

-

200 mV

-

Settling Time

-

50 uS

-

100% ~ 50% Max Load

-

200 mV

-

Settling Time

6.0 V

-

50 uS

-

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

with 10 uF/10 V tantalum

capacitor and 1uF/10 V

ceramic capacitor at the output

Note