5 D 4 3 2 1 REVISION HISTORY This circuit is proprietary to Linear Technology and supplied for use with Linear Technology parts. Customer Notice: Linear Technology has made a best effort to design a circuit that meets customer-supplied specifications; however, it remains the customer's responsibility to verify proper and reliable operation in the actual application, Component substitution and printed circuit board layout may significantly affect circuit performance or reliability. Contact Linear Applications Engineering for assistance. ECO REV DESCRIPTION 2 DATE PROTO APPROVED 01/19/05 D *SEE QUCIK START GUIDE NOTE 1. VIN VIN 4.5V-36V* E1 D3 C6 22uF OPT. C1 2.2uF 50V D2 [1] CMDSH-4E C8 0.22uF 16V U1 LT1936EMS8E 1 GND 2 8 SHDN E4 R6 0 VIN 1 JP2 ON 5 C9 0.1uF 50V R5 [1] VIN SW COMP SHDN GND VC 4 7 3 6 GND 9 C VOUT A916CY-100M FB VOUT C10 1uF OPT. R2 D1 DFLS140L 31.6K R1 10K 1% C7 1uF OPT. E2 5V/[email protected] 1% GND E5 C5 GND C2 47uF 6.3V 100pF TP2 2 2 VOUT R3 68.1K 3 OFF B TP1 L1 BOOST 1 E3 2 C 1 C4 18pF JP1 R4 3 B 39.2K 5.0V 3.3V 1% C3 150pF CONTRACT NO. NOTES: UNLESS OTHERWISE SPECIFIED, [1] DO NOT STUFF. APPROVALS DRAWN mei CHECKED A APPROVED ENGINEER DESIGNER Tuesday, February 15, 2005 5 4 3 DATE 08/06/04 TECHNOLOGY 1630 McCarthy Blvd. Milpitas, CA 95035 Phone: (408)432-1900 Fax: (408)434-0507 TITLE SCH, LT1936EMS8E, 500KHz BUCK CONVERTER SIZE CAGE CODE DWG NO FILENAME: 825A-2.DSN SCALE: 2 A REV DC825A 2 SHEET 1 1 OF 1