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SC4905B - HIGH PERFORMANCE VOLTAGE MODE PWM CONTROLLER

This page provides the datasheet information for the SC4905B, a member of the SC4905A HIGH PERFORMANCE VOLTAGE MODE PWM CONTROLLER family.

Datasheet Summary

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.

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 preview – SC4905B

Datasheet Details

Part number SC4905B
Manufacturer Semtech Corporation
File Size 389.29 KB
Description HIGH PERFORMANCE VOLTAGE MODE PWM CONTROLLER
Datasheet download datasheet SC4905B Datasheet
Additional preview pages of the SC4905B datasheet.

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Full PDF Text Transcription

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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.
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