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

Número de pieza

componentes Descripción

Fabricante

HWD075DGE

75 Watt, Half-Brick DC/DC Converter

Power-One Inc. 

HWD Series – 75 Watt, Half-Brick DC/DC Converter

Wide Input Range

Dual Output

Datasheet

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 uH. 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

+Vo2

-Vo2

0.1uf

ceramic

22uf

Tantalum

SCOPE

LOAD1

LOAD2

Figure 2: Output Ripple Measurement Test Set-up:

Note: Use a 0.1uf ceramic and 22uF 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. 9/01

www.power-one.com

Page 6 of 15

Share Link: