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SC4905A - HIGH PERFORMANCE VOLTAGE MODE PWM CONTROLLER

General Description

The SC4905A/B is a 10 pin BICMOS primary side voltage mode controller for use in Isolated DC-DC and off-line switching power supplies.

It is a highly integrated solution, requiring few external components.

Key Features

  • a high speed oscillator with integrated feed forward compensation, accurately programmable maximum duty cycle, voltage mode of operation, line voltage monitoring, supply UVLO, low start up current, low voltage current limit threshold and user accessible reference. www. DataSheet4U. com The SC4905A/B device operates at a fixed frequency, highly desirable for Telecom.

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Datasheet Details

Part number SC4905A
Manufacturer SEMTECH
File Size 389.29 KB
Description HIGH PERFORMANCE VOLTAGE MODE PWM CONTROLLER
Datasheet download datasheet SC4905A Datasheet

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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POWER MANAGEMENT Description The SC4905A/B is a 10 pin BICMOS primary side voltage mode controller for use in Isolated DC-DC and off-line switching power supplies. It is a highly integrated solution, requiring few external components. The device features a high speed oscillator with integrated feed forward compensation, accurately programmable maximum duty cycle, voltage mode of operation, line voltage monitoring, supply UVLO, low start up current, low voltage current limit threshold and user accessible reference. www.DataSheet4U.com The SC4905A/B device operates at a fixed frequency, highly desirable for Telecom applications. Features a separate SYNC pin which simplifies synchronization to an external clock.