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SC2655 - Programmable Synchronous DC/DC Hysteretic Controller

General Description

The SC2655 is a synchronous-buck switch-mode controller designed for use in single ended power supply applications where efficiency is the primary concern.

The controller is a hysteretic type, with a user selectable hysteresis.

Key Features

  • include an integrated 5 bit D/A converter, temperature compensated voltage reference, current limit comparator, over-current protection, and an adaptive deadtime circuit to prevent shoot-through of the power MOSFET during switching transitions. Power good signaling, logic compatible shutdown, and over-voltage protection are also provided. The integrated D/A converter provides programmability of output voltage from 1.1V to 1.85V in 25mV increments. The SC2655 high side driver can be configured as.

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Datasheet Details

Part number SC2655
Manufacturer SEMTECH
File Size 384.00 KB
Description Programmable Synchronous DC/DC Hysteretic Controller
Datasheet download datasheet SC2655 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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Programmable Synchronous DC/DC Hysteretic Controller with VRM 9.0 VID Range POWER MANAGEMENT www.DataSheet4U.com Description The SC2655 is a synchronous-buck switch-mode controller designed for use in single ended power supply applications where efficiency is the primary concern. The controller is a hysteretic type, with a user selectable hysteresis. The SC2655 is ideal for implementing DC/DC converters needed to power advanced microprocessors such as Pentium® llI and Athlon®, in both single and multiple processor configurations. Inhibit, under-voltage lockout and soft-start functions are included for controlled power-up.