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SC4812 - Current Mode PWM Controller

General Description

The SC4812 is a highly integrated current mode PWM controller designed for isolated or non-isolated dc-dc converters in telecommunication and data communication applications.

Key Features

  • Wide input range 12V to 90V High-voltage start-up circuit Current mode control Transconductance error amplifier Leading-edge blanking Cycle by cycle current limit Programmable external soft-start Thermal shutdown SO-8 package. Fully WEEE and RoHS compliant ‹ ‹ ‹ ‹ ‹ ‹ ‹ The circuitry of the SC4812 includes an integrated high voltage start-up circuit suitable for telecom/industrial ‹ www. DataSheet4U. com voltage.

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Datasheet Details

Part number SC4812
Manufacturer SEMTECH
File Size 249.95 KB
Description Current Mode PWM Controller
Datasheet download datasheet SC4812 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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Current Mode PWM Controller with Integrated Start-up Circuit and Op Amp POWER MANAGEMENT Description The SC4812 is a highly integrated current mode PWM controller designed for isolated or non-isolated dc-dc converters in telecommunication and data communication applications. It minimizes the amount of external discrete components needed and leads to substantial cost and space saving converter designs. SC4812 Features Wide input range 12V to 90V High-voltage start-up circuit Current mode control Transconductance error amplifier Leading-edge blanking Cycle by cycle current limit Programmable external soft-start Thermal shutdown SO-8 package.