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LX1665ACN Datasheet(PDF) 10 Page - Microsemi Corporation |
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LX1665ACN Datasheet(HTML) 10 Page - Microsemi Corporation |
10 / 17 page DUAL OUTPUT PWM CONTROLLERS WITH 5-BIT DAC LX1664/64A, LX1665/65A PRODUCT DA T ABOOK 1996/1997 Copyright © 1999 Rev. 1.2 11/99 10 P RODUCTION D ATA S HEET FIGURE 8 — VRM 8.2 (Pentium II / Deschutes) Reference Design With Loss-Less Current Sensing SS TDRV V CC INV V CC_CORE VID0 VID1 VID2 VID3 OV C T BDRV GND V C1 U1 LX1665 VID3 C 5 1µF 12V R S V OUT 5V 18-pin Wide Body SOIC Q 1 IRL3102 2.5µH 6.3V, 1500µF x 3 14 13 12 11 10 1 2 3 4 5 6 7 C 8 680pF VID2 VID1 VID0 VID4 C 3 0.1µF Supply Voltage for CPU Core 6.3V 1500µF x3 VID4 L DRV 1.5V for GTL+ Bus Supply 8 16 15 L FB PWRGD 9 PWRGD OV 17 18 Q 2 IRL3303 Q 4 IRLZ44 C 7 330µF R 5 R 6 L 1 C 2 C 1 C 9 330µF F 1 15A 5V or 3.3V Supply L 2 1µH ** Three capacitors for Pentium Four capacitors for Pentium II C S APPLICA TION INFORMATION FIGURE 9 — Full-Featured Pentium II Processor Supply With 12V Power Input SS TDRV V CC INV V CC_CORE VID0 VID1 VID2 VID3 OV C T BDRV GND V C1 U1 LX1665 VID3 C 5 R 1 V OUT 12V 18-pin Wide-Body SOIC Q 1 IRL3303 2.5µH 14 13 12 11 10 1 2 3 4 5 6 7 C 8 1500µF VID2 VID1 VID0 VID4 C 3 0.1µF 0.0025 Supply Voltage for CPU Core 6.3V 1500µF x3 VID4 L DRV Supply Voltage For I/O Chipset or GTL+ Bus 8 16 15 L FB PWRGD 9 PWRGD 17 18 Q 2 IRL3102 Q 4 IRLZ44 C 7 330µF R 5 R 6 L 1 C 2 C 1 Q 3 SCR R 2, 10k D 2 D 3 C 10 0.1µF R 7 10 1N4148 1N4148 5V D 4 1N5817 2N6504 C 9 330µF F 1 20A |
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Similar Description - LX1665ACN |
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