SRBA-03A1A0G Bel Fuse Inc, SRBA-03A1A0G Datasheet

SRBA-03A1A0G

Manufacturer Part Number

SRBA-03A1A0G

Description

CONV DC/DC .75-5V ADJ 3A SMD

Manufacturer

Bel Fuse Inc

Series

SRBAr

Type

Point of Load (POL) Non-Isolated with Remote On/Off and UVLOr

Datasheet

1.SRBA-03A1A0G.pdf (9 pages)

Specifications of SRBA-03A1A0G

Output

0.75 ~ 5V

Number Of Outputs

Power (watts)

15W

Mounting Type

Surface Mount

Voltage - Input

8.3 ~ 14V

Package / Case

5-DIP SMD Module

1st Output

0.75 ~ 5 VDC @ 3A

Size / Dimension

0.80" L x 0.45" W x 0.25" H (20.3mm x 1.4mm x 6.4mm)

Power (watts) - Rated

15W

Operating Temperature

-40°C ~ 85°C

Efficiency

93%

Lead Free Status / RoHS Status

Lead free / RoHS Compliant

3rd Output

2nd Output

Other names

507-1388
SRBA-03A1A0

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Description

The Bel SRBA-03A1Ax modules are a series of non-isolated dc/dc converters that deliver up to 3 A of output

current with full load efficiency of 93% at 5.0 Vdc output. These modules provide precisely regulated voltage

programmable via external resistor from 0.75 Vdc to 5.5 Vdc over a wide range of input voltage. Their open-

frame construction and small footprint enable designers to develop cost and space-efficient solutions. Standard

features include remote On/Off, programmable output voltage, over-temperature protection, over current

protection, short circuit protection, and under-voltage lockout.

Part Selection

Notes: 1.Add “G” suffix at the end of the model number to indicate Tray Packaging.

Absolute Maximum Ratings

Note: All specifications are typical at 25°C unless otherwise stated.

Input Specifications

Input Voltage (continuous)

Output Enable Terminal Voltage

Ambient Temperature

Storage Temperature

Input Voltage

Input Current (full load)

Input Current (no load)

0.75 V - 5.0 V

•

NON-ISOLATED DC/DC CONVERTERS

8.3 Vdc - 14 Vdc Input

SRBA-03A1Ax

Voltage

Output

Non-Isolated

Fixed Frequency

High Efficiency

High Power Density

Active Low/High (Option)

2. All part numbers above indicate RoHS 6. Change the second letter "R" to "7" for RoHS 5 part numbers.

Bel Fuse Inc. 206 Van Vorst Street, Jersey City, NJ 07302 • Tel 201-432-0463 • Fax 201-432-9542 • www.belfuse.com

Parameter

8.3 V - 14 V

Voltage

Input

Vo=0.75 V

Vo=5.0 V

Vo=3.3 V

Vo=5.0 V

Vo=3.3 V

RoHS Compliant

Max. Output

0.75 Vdc - 5.0 Vdc/3 A Output

Current

3 A

-40 °C

-55 °C

-0.3 V

Min

8.3 V

Min

•

Max. Output

Power

1.35 A

0.90 A

0.24 A

55 mA

40 mA

15 mA

15 W

Under-Voltage Lockout (UVLO)

OCP/SCP

Remote On/Off

Wide Trim Range

Wide Input Range

12 V

Typ

Rev.A

Typical Efficiency

2.00 A

1.30 A

0.35 A

65 mA

50 mA

20 mA

Max

14 V

at 5.0V

93%

125 °C

85 °C

15 V

Max

Model Number

SRBA-03A1A0

Active High

Notes

Model Number

SRBA-03A1AL

Active Low

Related parts for SRBA-03A1A0G

SRBA-03A1A0G Summary of contents

Page 1

... Active Low/High (Option) Description The Bel SRBA-03A1Ax modules are a series of non-isolated dc/dc converters that deliver output current with full load efficiency of 93% at 5.0 Vdc output. These modules provide precisely regulated voltage programmable via external resistor from 0.75 Vdc to 5.5 Vdc over a wide range of input voltage. Their open- frame construction and small footprint enable designers to develop cost and space-efficient solutions ...

Page 2

... Max Load Settling Time Note: All specifications are typical at nominal input (Vin=12 V), full load at 25 Bel Fuse Inc. 206 Van Vorst Street, Jersey City, NJ 07302 • Tel 201-432-0463 • Fax 201-432-9542 • www.belfuse.com 0.75 Vdc - 5.0 Vdc/3 A Output Min Typ ...

Page 3

... Min Typ - 0.7525 V - Notes - Measured at Vin=12 V, full load (Current - Source Calculated Per Bell Core SR-332 ( °C) 80% load Max Notes 0.4 V SRBA-03A1A0; Remote On/Off pin open, Unit on 0.4 V SRBA-03A1AL; Remote On/Off pin open, Unit on 5 ...

Page 4

... NON-ISOLATED DC/DC CONVERTERS 8.3 Vdc - 14 Vdc Input Remote Enable Specifications The SRBA-03A1AL modules feature an enable pin with negative logic. If not using the enable pin, leave the pin open (the module will be on). During logic_high, the module is turned off, during logic_low, the module is turned on. It inner circuit impedance is showed as figure ...

Page 5

... NON-ISOLATED DC/DC CONVERTERS 8.3 Vdc - 14 Vdc Input Efficiency Data Bel Fuse Inc. 206 Van Vorst Street, Jersey City, NJ 07302 • Tel 201-432-0463 • Fax 201-432-9542 • www.belfuse.com 0.75 Vdc - 5.0 Vdc/3 A Output MODULE 5.0V 100.0% 95.0% 90.0% 85.0% 80.0% 75.0% 70.0% 65 ...

Page 6

... NON-ISOLATED DC/DC CONVERTERS 8.3 Vdc - 14 Vdc Input Thermal Derating Curves Bel Fuse Inc. 206 Van Vorst Street, Jersey City, NJ 07302 • Tel 201-432-0463 • Fax 201-432-9542 • www.belfuse.com 0.75 Vdc - 5.0 Vdc/3 A Output Vin=12 V, Vo=5.0 V Vin=12 V, Vo=3.3 V Vin=12 V, Vo=0.75 V ...

Page 7

... Note: Ripple and noise at full load, 0-20 MHz BW, with 10 uF/10 V tantalum cap and 1 uF/10 V ceramic cap at the output, and Ta=25 deg C. Bel Fuse Inc. 206 Van Vorst Street, Jersey City, NJ 07302 • Tel 201-432-0463 • Fax 201-432-9542 • www.belfuse.com 0.75 Vdc - 5.0 Vdc/3 A Output 12 Vdc input, 0 ...

Page 8

... Note: Transient response at 12 Vdc input, di/dt=2.5 A/uS, with 10 uF/10 V tantalum cap and 1 uF/10 V ceramic cap at the output, Ta=25 deg C. Bel Fuse Inc. 206 Van Vorst Street, Jersey City, NJ 07302 • Tel 201-432-0463 • Fax 201-432-9542 • www.belfuse.com 0.75 Vdc - 5.0 Vdc/3 A Output Transients 100% to 50% load 0 ...

Page 9

... Luk Hop Street San Po Kong Kowloon, Hong Kong Tel 852-2328-5515 Fax 852-2352-3706 www.belfuse.com © 2007 Bel Fuse Inc. Specifications subject to change without notice. 011507 EUROPE Bel Fuse Europe Ltd. Preston Technology Management Centre Marsh Lane, Suite G7, Preston Lancashire, PR1 8UD, U.K. Tel 44-1772-556601 Fax 44-1772-888366 www ...

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