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

3.3 Vdc Input

0.9 Vdc - 2.5 Vdc/3 A Output

Input Specifications (continued)

Parameter

Min

Typ

Max

Notes

Input Reflected Ripple Current (pk-pk)

-

50 mA

100 mA

Input Reflected Ripple Current (rms)

-

15 mA

25 mA

With simulated source impedance

of 500 nH, 5 Hz to 20 MHz; use a

270 uF/6.3 V capacitor with

ESR=0.03 ohm max, at 100 kHz.

I

-

0.01 A

0.02 A

Turn on Voltage Threshold

-

2.7 V

-

Turn off Voltage Threshold

-

2.4 V

-

Note

Output Specifications

Parameter

Min

Typ

Max

Notes

Output Voltage Set Point

2.450 V

1.764 V

1.470 V

1.176 V

0.882 V

2.5 V

1.8 V

1.5 V

1.2 V

0.9 V

2.550 V

1.836 V

1.530 V

1.224 V

0.918 V

Test conditions:

Vin=3.3 V, Io= full load

Line Regulation

-

-

-

-

-

1 mV

1 mV

1 mV

1 mV

1 mV

5 mV

5 mV

5 mV

5 mV

5 mV

Load Regulation

-

-

-

-

-

1 mV

1 mV

1 mV

1 mV

1 mV

5 mV

5 mV

5 mV

5 mV

5 mV

Regulation Over Temperature

(-40

°C to +85 °C)

-

-

-

-

-

10 mV

10 mV

10 mV

10 mV

10 mV

20 mV

20 mV

20 mV

20 mV

20 mV

Output Current

0 A

-

3 A

Current Limit Threshold

5 A

-

9 A

Short Circuit Surge Transient

-

-

-

-

-

0.04 A

0.04 A

0.04 A

0.04 A

0.04 A

0.08 A

0.08 A

0.08 A

0.08 A

0.08 A