SC1155 PROGRAMMABLE SYNCHRONOUS DC/DC HYSTERETIC CONTROLLER WITH VRM 9.0 VID RANGE

Semtech Corporation

Description

PROGRAMMABLE SYNCHRONOUS DC/DC HYSTERETIC CONTROLLER WITH VRM 9.0 VID RANGE PRELIMINARY - August 7, 2000 SC1155 .
The SC1155 is a synchronous-buck switch-mode controller designed for use in single ended power supply applications where efficiency is the primary con.

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Datasheet Specifications

Part number: SC1155
Manufacturer: Semtech Corporation
File Size: 190.22 KB
Datasheet: SC1155_SemtechCorporation.pdf
Description: PROGRAMMABLE SYNCHRONOUS DC/DC HYSTERETIC CONTROLLER WITH VRM 9.0 VID RANGE

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 ov

Applications

* where efficiency is the primary concern. The controller is a hysteretic type, with a user selectable hysteresis. The SC1155 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. Inhi

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SC1155 PROGRAMMABLE SYNCHRONOUS HYSTERETIC CONTROLLER WITH VRM 9.0 VID RANGE Semtech Corporation

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