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

4.5 V - 14 V Input

0.75 V - 3.63 V/10 A Output

Output Specifications

Parameter

Min

Typ

Max

Notes

Output Voltage Set Point

-2% Vo,set

-

2% Vo,set

Vin=5 V & 12 V, full load

Load Regulation

-

0.1% Vo,set

-

Line Regulation

-

0.1% Vo,set

-

Regulation Over Temperature

(-40

°C to +85 °C)

-

0.3Vo,set

-

Tref=Ta, min to Ta, max

Output Current

0 A

-

10 A

Current Limit Threshold

-

200% Io,out

-

Short Circuit Surge Transient

-

1 A

3 A

Ripple and Noise (pk-pk)

-

30 mV

80 mV

Ripple and Noise (rms)

-

12 mV

35 mV

Tested with 0-20 MHz, with

10 uF tantalum capacitor &

1 uF ceramic capacitor at the

output

Turn on Time

-

8 mS

20 mS

Overshoot at Turn on

-

-

1%

Output Capacitance

0 uF

-

5600 uF

Transient Response

50% ~ 100% Max Load

-

160 mV

-

Settling Time

-

50 uS

-

100% ~ 50% Max Load

-

160 mV

-

Settling Time

3.63 V

-

50 uS

-

di/dt=2.5 A/uS; Vin=5 V &

12 V; and with 470 uF

Tantalum capacitor at the

output

Note

: All specifications are typical at nominal input, full load at 25

°C unless otherwise stated.

General Specifications

Parameter

Min

Typ

Max

Notes

Efficiency

Vo=3.3 V

Vo=2.5 V

Vo=1.8 V

Vo=1.5 V

Vo=1.2 V

Vo=0.75 V

-

-

-

-

-

-

94.3%

93.0%

91.5%

90.8%

89.3%

83.0%

-

-

-

-

-

-

Measured at Vin=5 V, full load

Efficiency

Vo=3.3 V

Vo=2.5 V

Vo=1.8 V

Vo=1.5 V

Vo=1.2 V

Vo=0.75 V

-

-

-

-

-

-

93.0%

92.0%

90.0%

89.0%

87.5%

81.0%

-

-

-

-

-

-

Measured at Vin=12 V, full load

Switching Frequency

265 kHz

300 kHz

335 kHz

Over Temperature Shutdown

-

130

°C

-

Output Voltage Trim Range

0.7525 V

-

3.63 V

Remote Sense Compensation

-

-

0.5 V

MTBF

5,114,191 hours

25

°C)

Dimensions

Inches (L × W × H)

Millimeters (L × W × H)

2.0 x 0.5 x 0.32

50.8 x 12.7 x 8.13

Weight

-

7.1 g

-

Note