HWD075DGE-A(2003) Ver la hoja de datos (PDF) - Power-One Inc.

Número de pieza

componentes Descripción

Fabricante

HWD075DGE-A
(Rev.:2003)

75 Watt, Half-Brick DC/DC Converter

Power-One Inc. 

HWD DC/DC Series Data Sheet

Test Setup

TO CURRENT PROBE

BATTERY

Ltest

12 uH

Cs 220 uF

ESR < 0.1 OHM

@ 20 ºC, 100

kHz

22uF

ESR < 0.7 OHM

@ 20 ºC, 100 kHz

Vi(+)

Vi(-)

Figure 1. Input Reflected Ripple Current Test Set-up

Note: Measure input reflected-ripple current with a simulated inductance (Ltest) of 12 µH. Capacitor Cs offsets possible battery

impedance. Measure current as shown above.

DUT

+Vo1

-Vo1

COPPER STRIPS (2 to 3 inches)

0.1uf

ceramic

22uF

Tantalum

SCOPE

LOAD1

+Vo2

0.1uf

ceramic

22uf

Tantalum

SCOPE

LOAD2

-Vo2

Figure 2. Output Ripple Measurement Test Set-up

Note: Use a 0.1µF ceramic and 22µF tantalum capacitor. Scope measurement should be made using a BNC socket. Position loads

between 51 mm and 76 mm (2 in. and 3 in.) from module.

REV. JUN 27, 2003

Page 6 of 12

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