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SC4809A - High Performance Current Mode PWM Controller

General Description

The SC4809A/B/C is a 10 pin BICMOS primary side current 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 frequency of operation, accurately programmable maximum duty cycle, current mode control, line voltage monitoring, supply UVLO, low start-up current, and programmable soft start with user accessible reference. It operates in a fixed frequency, highly desirable for www. DataSheet4U. com Telecom.

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Datasheet Details

Part number SC4809A
Manufacturer SEMTECH
File Size 359.78 KB
Description High Performance Current Mode PWM Controller
Datasheet download datasheet SC4809A 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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High Performance Current Mode PWM Controller POWER MANAGEMENT Description The SC4809A/B/C is a 10 pin BICMOS primary side current mode controller for use in Isolated DC-DC and off-line switching power supplies. It is a highly integrated solution, requiring few external components. It features a high frequency of operation, accurately programmable maximum duty cycle, current mode control, line voltage monitoring, supply UVLO, low start-up current, and programmable soft start with user accessible reference. It operates in a fixed frequency, highly desirable for www.DataSheet4U.com Telecom applications. Features a separate sync pin which simplifies synchronization to an external clock.