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 Vdc - 13.2 Vdc Input

0.9 Vdc - 5.0 Vdc/3 A Output

•

Non-Isolated

•

Remote On/Off

•

Trim Function

•

OCP/SCP

•

Low Profile Package (7.82 mm)

•

Under-Voltage Lockout (UVLO)

•

UL60950-1 Recognized (UL/cUL)

Description

The Bel xRAH-03Exx0 is part of the low cost non-isolated dc/dc converter Power Module series. The modules use

a SMD or SIP package for ease of layout and space savings. The output is closely regulated and the efficiency of

3.3 Vdc output module is typically 93% at full load.

Part Selection

Output

Voltage

Input Voltage

Max. Output

Current

Max. Output

Power

Typical

Efficiency

Part Number

Surface Mount

Part Number

Vertical Mount

5.0 Vdc

8.0 Vdc - 13.2 Vdc

3 A

15 W

95%

SRAH-03E500

VRAH-03E500

3.3 Vdc

4.5 Vdc - 13.2 Vdc

3 A

9.9 W

93%

SRAH-03E330

VRAH-03E330

2.5 Vdc

4.5 Vdc - 13.2 Vdc

3 A

7.5 W

91%

SRAH-03E250

VRAH-03E250

1.8 Vdc

4.5 Vdc - 13.2 Vdc

3 A

5.4 W

88%

SRAH-03E180

VRAH-03E180

1.5 Vdc

4.5 Vdc - 13.2 Vdc

3 A

4.5 W

87%

SRAH-03E150

VRAH-03E150

1.2 Vdc

4.5 Vdc - 13.2 Vdc

3 A

3.6 W

85%

SRAH-03E120

VRAH-03E120

1.0 Vdc

4.5 Vdc - 13.2 Vdc

3 A

3 W

84%

SRAH-03E100

VRAH-03E100

0.9 Vdc

4.5 Vdc - 13.2 Vdc

3 A

2.7 W

82%

SRAH-03E090

VRAH-03E090

Notes:

1. Add “0” suffix at the end of the model number to indicate “Tube Packaging”, and “R” for “Reel

Packaging”, and “G” for “Tray Packaging”.

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

Absolute Maximum Ratings

Parameter

Min

Typ

Max

Notes

Input Voltage (continuous)

-0.3 V

-

14 V

Output Enable Terminal Voltage

-0.3 V

-

13.2 V

Ambient Temperature

0

°C

-

70

°C

Storage Temperature

-40

°C

-

100

°C

Input Specifications

Parameter

Min

Typ

Max

Notes

Input Voltage

4.5 V

-

13.2 V

Min. input voltage for 5.0 V output module

should be 8.0 V

Input Current (no load)

-

30 mA

-

Input Current (full load)

-

-

3 A

Remote Off Input Current

-

4 mA

-

Input Reflected Ripple Current

(pk-pk)

-

75 mA

150 mA

Input Reflected Ripple Current

(rms)

-

30 mA

60 mA

With simulated source impedance of

500 nH, 5 Hz to 20 MHz; Use two

270 uF/16 V Oscon capacitors with ESR =

0.018 ohm max. at 100 kHz at 25

°C

I

-

0.02 A

0.08 A

Turn-on Voltage Threshold

-

4.1 V

4.5 V

Turn-off Voltage Threshold

-

3.3 V

4.0 V

Not applicable for 5.0 V output.

xRAH-03Exx0 Series

RoHS Compliant

Rev.A