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CS5158 Datasheet(PDF) 1 Page - Cherry Semiconductor Corporation |
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CS5158 Datasheet(HTML) 1 Page - Cherry Semiconductor Corporation |
1 / 14 page 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 V2 TM Control Topology s Current Sharing s Overvoltage Protection Package Options CPU 5-Bit Synchronous Buck Controller CS5158 Description Application Diagram 1 VID0 VID1 VID2 VID3 SS VID4 COFF VFFB VFB COMP LGnd VCC1 VGATE(L) PGnd VGATE(H) VCC2 16 Lead SO Narrow 1 Switching Power Supply for core logic - Pentium® II processor Pentium is a registered trademark of Intel Corporation. V2 is a trademark of Switch Power, Inc. Rev. 2/16/99 Cherry Semiconductor Corporation 2000 South County Trail, East Greenwich, RI 02818 Tel: (401)885-3600 Fax: (401)885-5786 Email: info@cherry-semi.com Web Site: www.cherry-semi.com A Company ® The CS5158 is a 5-Bit synchronous dual N-Channel buck controller. It is designed to provide unprece- dented 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 fea- tures: on board, 5-Bit DAC, short circuit protection, 0.8% output tol- erance for the 01111 DAC code (1.3V) and 1% for the remaining DAC codes, VCC monitor, and pro- grammable soft start capability. The CS5158 is available in 16 pin surface mount. 0.33µF VID0 VID1 VID2 VID3 VID0 VID1 VID2 VID3 VCC1 SS CS5158 COFF LGnd VFB VFFB COMP IRL3103 IRL3103 0.1µF 12V 5V 2µH 1.3V to 3.5V @ 13A VCC2 VGATE(H) VGATE(L) PGnd 1200µF/10V x 3 AlEl 3.3k 0.1µF 1200µF/10V x 5 AlEl 100pF 330pF VID4 VID4 |
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