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SC2422A - BIPHASE CURRENT MODE CONTROLLER

Description

The SC2422A biphase, current mode controller is designed to work with Semtech smart synchronous drivers, such as the SC1205, SC1305 or the SC1405 to provide the DC/DC converter solution for the most demanding Micro-processor applications.

Features

  • Precision, pulse by pulse phase current matching Active drooping allows for best transient response Input Sensing Current mode control Programmable DAC step size/offset allows Compliance with VRM9.0, VRM8.3 or VRM8.4 Externally programmable soft-start 5V or 12V input for next generation processors 0% minimum duty cycle improves transient response Externally Programmable UVLO with hystere.

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Datasheet Details

Part number SC2422A
Manufacturer Semtech Corporation
File Size 114.76 KB
Description BIPHASE CURRENT MODE CONTROLLER
Datasheet download datasheet SC2422A Datasheet
Additional preview pages of the SC2422A datasheet.

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Full PDF Text Transcription

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BIPHASE CURRENT MODE CONTROLLER PRELIMINARY - August 7, 2000 SC2422A TEL:805-498-2111 FAX:805-498-3804 WEB:http://www.semtech.com DESCRIPTION The SC2422A biphase, current mode controller is designed to work with Semtech smart synchronous drivers, such as the SC1205, SC1305 or the SC1405 to provide the DC/DC converter solution for the most demanding Micro-processor applications. Input current rather than output current sensing is used to guarantee precision phase to phase current matching using a single sense resistor on the input power line. Accurate current sharing and pulse by pulse current limit are implemented without the power loss and transient response degradation associated with output current sense methods.
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