1 2 REVISION HISTORY LTC CONFIDENTIAL - For Customer Use Only ECO REV 1 DESCRIPTION DATE DEMO BOARD RELEASE APPROVED 11/29/00 D2 FMMD914 1 D3 Opt. C4 0.33uF E1 3 VIN L1 E5 VOUT 1 + C3 4.7uF 100V 6 Opt. E2 GND 4 VIN E3 S/D + C5 100uF 10V U1 LT1766CGN + C7 Opt. R2 15.4K 1% R4 19.1K 1% C6 0.47uF 25V D1 SW E4 JP1 2 GND 10MQ060N 15 SHDN BIAS 10 14 SYNC FB 12 5V/3.3V LINK VC E6 C9 Opt. 11 SYNC A 68uH BOOST A 3 C1 1000pF R6 Opt. 3 R1 Opt. Q1 Opt. 1 R5 Opt. 2 C2 Opt. R3 4.99K 1% NOTE: UNLESS OTHERWISE SPECIFIED 1. FUSED CORNER PINS 1, 8, 9 ,16 (GND) - U1. B B UNLESS OTHERWISE SPECIFIED DIMENSIONS ARE IN INCHES TOLERANCE ON ANGLE - - 2 PLACES - - - 3 PLACES - - INTERPRET DIM AND TOL PER ASME Y14.5M -1994 THIRD ANGLE PROJECTION CONTRACT NO. APPROVALS DATE DRAWN L.SANTOS 7/14/00 TECHNOLOGY 1630 McCarthy Blvd. Milpitas, CA 95035 Phone: (408)432-1900 Fax: (408)434-0507 TITLE CHECKED SCH, 1.5A 200KHz HIGH VOLTAGE BUCK CONVERTER PCB APPROVED ENGINEER DESIGNER SIZE CAGE CODE DWG NO A DO NOT SCALE DRAWING 1 Wednesday, November 29, 2000 SCALE: NONE REV DC326B FILENAME:326Br1.DSN 2 SHEET 1 1 OF 1