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

9.0 Vdc - 18 Vdc Input

5 Vdc - 12 Vdc/1A Output

Output Specifications

Parameter

Min

Typ

Max

Notes

Output Voltage Set Point

Vo=5 V

Vo=9 V

Vo=12 V

4.90 V

8.82 V

11.76 V

5 V

9 V

12 V

5.10 V

9.18 V

12.24 V

Test condition:

Vin=12 V, lout=full load

Line Regulation

Vo=5 V

Vo=9 V

Vo=12 V

-

-

-

8 mV

15 mV

20 mV

15 mV

25 mV

35 mV

Load Regulation

Vo=5 V

Vo=9 V

Vo=12 V

-

-

-

15 mV

25 mV

35 mV

25 mV

45 mV

60 mV

Regulation Over Temperature

(-40

°C to +85 °C)

Vo=5 V

Vo=9 V

Vo=12 V

-

-

-

50 mV

70 mV

90 mV

80 mV

100 mV

140 mV

Output Current

0.005 A

-

1 A

Output DC Current Limit

1.1 A

-

1.8 A

Ripple and Noise (rms)

Vo=5 V

Vo=9 V

Vo=12 V

-

-

-

3 mV

3 mV

4 mV

5 mV

5 mV

6 mV

Ripple and Noise (pk-pk)

Vo=5 V

Vo=9 V

Vo=12 V

-

-

-

10 mV

15 mV

20 mV

15 mV

20 mV

30 mV

Test conditions:

BW = 0-20 MHz; with

π

filter (Co1=10 uF, L=0.47

uH, Co2=10 uF) at the

output

Ripple and Noise (rms)

Vo=5 V

Vo=9 V

Vo=12 V

-

-

-

15 mV

25 mV

35 mV

25 mV

35 mV

50 mV

Ripple and Noise (pk-pk)

Vo=5 V

Vo=9 V

Vo=12 V

-

-

-

40 mV

70 mV

110 mV

70 mV

100mV

160mV

Test conditions:

BW = 0-20 MHz; with two

10 uF ceramic capacitors at

the output.

Turn On Time

Vo=5 V

Vo=9 V

Vo=12 V

-

-

-

20 mS

30 mS

30 mS

30 mS

45 mS

45 mS

Overshoot at Turn on

-

0%

5%

Output Capacitance

0 uF

-

47 uF

Transient Response

Overshoot

-

200mV

300mV

50% ~ 75%

Max Load

Settling Time

-

100uS

150uS

Overshoot

-

200mV

300mV

75% ~ 50%

Max Load

Settling Time

5.0 V

-

100uS

150uS

Overshoot

-

300mV

400mV

50% ~ 75%

Max Load

Settling Time

-

150uS

200uS

Overshoot

-

300mV

400mV

75% ~ 50%

Max Load

Settling Time

9.0 V

-

150uS

200uS

Overshoot

-

350mV

500mV

50% ~ 75%

Max Load

Settling Time

-

150uS

200uS

Overshoot

-

350mV

500mV

75% ~ 50%

Max Load

Settling Time

12.0 V

-

150uS

200uS

di/dt = 0.5 A/uS; Vin = 12

V; and with two 10 uF

ceramic capacitors at the

output