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

-12 Vdc/1 A -15 Vdc/0.8 A Output

•

Non-Isolated

•

Low Profile Package

•

High Efficiency

•

Fixed Frequency (400 kHz)

•

Remote On/Off

•

Active Low

Description

The Bel xRAH-01KXxN is part of the low cost non-isolated dc/dc converter series. The modules use a SMD or SIP

package for ease of layout and space savings. The output is closely regulated and the efficiency is typically 87%

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

-12 Vdc

9 Vdc - 18 Vdc

1.0 A

12 W

87%

SRAH-01KX2N

VRAH-01KX2N

-15 Vdc

9 Vdc - 18 Vdc

0.8 A

12 W

87%

SRAH-01KX5N

VRAH-01KX5N

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

-

20 V

Remote On/Off (Active Low)

-0.3 V

-

20 V

Ambient Temperature

-40

°C

-

85

°C

Storage Temperature

-55

°C

-

125

°C

Input Specifications

Parameter

Min

Typ

Max

Notes

Input Voltage

9 V

-

18 V

Input Current (no load)

-

40 mA

55 mA

Input Current (full load)

-

-

1.6 A

Remoted Off Input Current

-

18 mA

25 mA

Input Reflected Ripple Current

(pk-pk)

-

95 mA

130 mA

Input Reflected Ripple Current

(rms)

-

30 mA

40 mA

With simulated source impedance

of 500 nH, 5 Hz to 20 MHz; Use one

100 uF/25 V tantalum capacitor and

one 470 uF/35 V electrolytic

capacitor at the input.

I

-

0.003 A

0.01 A

Turn-on Voltage Threshold

8.0 V

8.5 V

8.8 V

Turn-off Voltage Threshold

7.2 V

7.6 V

8.2 V

Note: All specifications are typical at 25

°C unless otherwise stated.

xRAH-01KXxN Series

RoHS Compliant

Rev.A