SLIN-12F2AX datasheet(11/25 Pages) BEL

11 / 25 page

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, 0.6 Vdc - 3.63 Vdc /12 A Output

December 2, 2010

Bel Power Inc., a subsidiary of Bel Fuse Inc.

Test Configurations

Input Reflected Ripple Current Test Setup.

TO OSCILLOSCOPE

CURRENT PROBE

LTEST

1μH

CS 1000μF

Electrolytic

E.S.R.<0.1

@ 20°C 100kHz

2x100μF

Tantalum

VIN(+)

COM

NOTE: Measure input reflected ripple current with a simulated

source inductance (LTEST) of 1μH. Capacitor CS offsets

possible battery impedance. Measure current as shown

above.

CIN

Output Ripple and Noise Test Setup.

NOTE: All voltage measurements to be taken at the module

terminals, as shown above. If sockets are used then

Kelvin connections are required at the module terminals

to avoid measurement errors due to socket contact

resistance.

Vo+

COM

0.1uF

RESISTIVE

LOAD

SCOPE USING

BNC SOCKET

COPPER STRIP

GROUND PLANE

10uF

Output Voltage and Efficiency Test Setup.

COM

VIN(+)

COM

RLOAD

Rcontact

Rdistribution

Rcontact

Rdistribution

Rcontact

Rdistribution

VIN

NOTE: All voltage measurements to be taken at the module

terminals, as shown above. If sockets are used then

Kelvin connections are required at the module terminals

to avoid measurement errors due to socket contact

resistance.

η =

VO. IO

VIN. IIN

x 100 %

Efficiency

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