WDD20-03S1U(2008) Просмотр технического описания (PDF) - CHINFA ELECTRONICS

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Компоненты Описание

производитель

WDD20-03S1U
(Rev.:2008)

DC - DC CONVERTER 20W SINGLE & DUAL OUTPUT

CHINFA ELECTRONICS 

CIRCUIT SCHEMATIC

WDD20U SERIES

SINGLE & DUAL OUTPUT

Block diagram for WDD20U series with single output

Vi +

Vi -

ON / OFF

Switching

Device

Rectifier

PWM

Controller

Opto -

Isolation

Reference &

Error Amp.

Vo +

Vo -

Trim

Block diagram for WDD20U series with dual output

Vi +

Vi -

ON / OFF

Switching

Device

PWM

Controller

Rectifier

Rectifier

Opto -

Isolation

Reference &

Error Amp.

Vo +

com

Vo -

Trim

www.chinfa.com

2008.09.23

sales@chinfa.com

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