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CS5158

Cherry Semiconductor Corporation
Part Number CS5158
Manufacturer Cherry Semiconductor Corporation
Description CPU 5-Bit Synchronous Buck Controller
Published Mar 24, 2005
Detailed Description CS5158 CS5158 CPU 5-Bit Synchronous Buck Controller Description The CS5158 is a 5-Bit synchronous dual N-Channel buck c...
Datasheet PDF File CS5158 PDF File

CS5158
CS5158

Overview
CS5158 CS5158 CPU 5-Bit Synchronous Buck Controller Description The CS5158 is a 5-Bit synchronous dual N-Channel buck controller.
It is designed to provide unprecedented transient response for today’s demanding high-density, high-speed logic.
The regulator operates using a proprietary control method, which allows a 100ns response time to load transients.
The CS5158 is designed to operate over a 4.
25-16V range (VCC) using 12V to power the IC and 5V as the main supply for conversion.
The CS5158 is specifically designed to power Pentium® II processors and other high performance core logic.
It includes the following features: on board, 5-Bit DAC, short circuit protection, 0.
8% output tolerance for the 01111 DAC code (1.
3V) and 1% for the remaining DAC codes, VCC monitor, and programmable soft start capability.
The CS5158 is available in 16 pin surface mount.
Features s Dual N-Channel Design s Excess of 1MHz Operation s 100ns Transient Response s 5-Bit DAC s Backward Compatible with Adjustable CS5157 s 30ns Gate Rise/Fall Times s 0.
8% Accuracy for the 01111 DAC Code and 1% for the Remaining DAC Codes s 5V & 12V Operation s Remote Sense s Programmable Soft Start s Lossless Short Circuit Protection s VCC Monitor s 25ns FET Nonoverlap Time s V2TM Control Topology 1200µF/10V x 3 AlEl Application Diagram Switching Power Supply for core logic - Pentium® II processor 12V 5V 0.
1µF s Current Sharing s Overvoltage Protection VCC1 VCC2 VID0 VID1 VID2 VID3 VID4 330pF SS 0.
1µF 0.
33µF COMP LGnd VID0 VID1 VID2 VID3 VID4 COFF VGATE(H) IRL3103 2µH 1.
3V to 3.
5V @ 13A Package Options CS5158 VGATE(L) IRL3103 1200µF/10V x 5 AlEl PGnd VFB VFFB 3.
3k 16 Lead SO Narrow VID0 VID1 VID2 VID3 SS VID4 COFF VFFB 1 VFB COMP LGnd VCC1 VGATE(L) PGnd VGATE(H) VCC2 100pF V2 is a trademark of Switch Power, Inc.
Pentium is a registered trademark of Intel Corporation.
Cherry Semiconductor Corporation 2000 South County Trail, East Greenwich, RI 02818 Tel: (401)885-3600 Fax: (401)885-5786 Email: in...


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