Datenblatt-Suchmaschine für elektronische Bauteile |
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CS5157 Datenblatt(PDF) 1 Page - Cherry Semiconductor Corporation |
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CS5157 Datenblatt(HTML) 1 Page - Cherry Semiconductor Corporation |
1 / 14 page The CS5157 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 CS5157 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 CS5157 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, 1.0% output tol- erance, VCC monitor, and pro- grammable soft start capability. The CS5157 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 CS5120/5121 s 30ns Gate Rise/Fall Times s 1% DAC Accuracy 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 CS5157 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 0.33µF VID0 VID1 VID2 VID3 VID0 VID1 VID2 VID3 VCC1 SS CS5157 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 Pentium is a registered trademark of Intel Corporation. V2 is a trademark of Switch Power, Inc. Rev. 12/31/98 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 ® |
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