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

2.4 Vdc - 5.5 Vdc Input

0.75 Vdc - 3.63 Vdc/16 A Output

Output Specifications (continued)

Parameter

Min

Typ

Max

Notes

Transient Response

50% ~ 100% Max Load

-

300 mV

-

Settling Time

-

50 uS

-

100% ~ 50% Max Load

-

300 mV

-

Settling Time

All

-

50 uS

-

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

with 10 uF/16 V tantalum

capacitor & 1 uF/10 V ceramic

capacitor at the output

50% ~ 100% Max Load

-

150 mV

-

Settling Time

-

100 uS

-

100% ~ 50% Max Load

-

150 mV

-

Settling Time

All

-

100 uS

-

di/dt=2.5 A/us, Vin=5 V; and

with two 150 uF/10 V tantalum

capacitors & 1 uF/10 V ceramic

capacitor at the output

Note:

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

92%

90%

88%

85%

82%

76%

94%

92%

90%

88%

85%

79%

-

-

-

-

-

-

Measured at Vin=5 V, full load

Switching Frequency

250 kHz

300 kHz

350 kHz

Over Temperature Shutdown

-

125

°C

-

Output Trim Range (Wide Trim)

0.7525 V

-

3.63 V

Remote Sense Compensation

-

-

5%

MTBF

5,438,000 hours

°C)

Dimensions

Inches (L × W × H)

Millimeters (L × W × H)

1.30 x 0.53 x 0.315

33.02 x 13.46 x 8.00

Weight

-

6.6 g

-

Note

Control Specifications

Parameter

Min

Typ

Max

Notes

Remote On/Off

Signal Low (Unit Off)

-0.3 V

-

0.3 V

Signal High (Unit On)

1.5 V

-

5.8 V

SRBC-16F2A0; Remote On/Off pin open, Unit

on.

Signal Low (Unit On)

-0.3 V

-

0.3 V

Signal High (Unit Off)

1.5 V

-

5.8 V

SRBC-16F2AL; Remote On/Off pin open, Unit

on.

Sequencing Voltage

0.05V

-

Vin

Sequencing Voltage should be higher than

output voltage.

Sequencing Slew Rate Capability

-

-

2 V/mS

Sequencing Delay Time

10 mS

-

-

Delay from Vinmin to application of voltage on

SEQ pin

Tracking Accuracy

Power-Up

Power-Down

-

-

100 mV

200 mV

200 mV

400 mV