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

3.0 Vdc - 5.5 Vdc Input

0.9 Vdc - 3.3 Vdc/3 A Output

Input Specifications (continued)

Parameter

Min

Typ

Max

Notes

I

-

0.004 A

0.008 A

Turn on Voltage Threshold

-

-

2.9 V

Turn off Voltage Threshold

2.2 V

2.4 V

-

Only for 0.9 V-1.8 V output modules.

Output Specifications

Parameter

Min

Typ

Max

Notes

Output Voltage Set Point

3.217 V

2.437 V

1.755 V

1.462 V

1.170 V

0.877 V

3.3 V

2.5 V

1.8 V

1.5 V

1.2 V

0.9 V

3.383 V

2.563 V

1.845 V

1.538 V

1.230 V

0.923 V

Test conditions:

Vin=5 V, Io=50% full

load

Line Regulation

-

-

-

-

-

-

10 mV

8 mV

6 mV

5 mV

4 mV

3mV

20 mV

16 mV

12 mV

10 mV

8 mV

6mV

Load Regulation

-

-

-

-

-

-

17 mV

13 mV

9 mV

8mV

6 mV

5mV

33 mV

25 mV

18 mV

15 mV

12 mV

9mV

Regulation Over Temperature(-40

°C to +85 °C)

-

-

-

-

-

-

72 mV

54 mV

39 mV

32 mV

26 mV

19 mV

97 mV

72 mV

52 mV

43 mV

40 mV

40 mV

Output Current

0 A

-

3 A

Current Limit Threshold

5 A

-

12 A

Short Circuit Surge Transient

-

0.022 A

0.044 A

Ripple and Noise (rms)

-

-

15 mV

10 mV

25 mV

20 mV

Ripple and Noise (pk-pk)

-

-

50 mV

40 mV

70 mV

60 mV

Test condition: 0-20 MHz

BW

Turn on Time

-

7 mS

12 mS

Overshoot at Turn on

-

0%

3%

Output Capacitance

0 uF

-

1200 uF

Transient Response

Overshoot

-

150 mV

200 mV

50% ~ 100%

Max Load

Settling Time

-

20 uS

40 uS

Overshoot

-

150 mV

200 mV

100% ~ 50%

Max Load

Settling Time

All

-

20 uS

40 uS

Test conditions:

di/dt = 0.5 A/uS; Vin =

5 V