1 2 3 4 5 6 7 8 A A U1 LT1965EDD 8 47uF 35V JP1 RUN ON B OFF 1 2 3 Exposed Pad Solder Side 7 IN 6 SHDN 5 GND 1 OUT 2 ADJ 3 GND 4 R1 1.05k 1% R2 2.10k 1% R3 4.53k 1% R4 7.32k 1% C2 10uF 10V R5 (Opt.) E2 VOUT 1.1A B E3 JP2 VOUT Select E4 GND 1.2V 1.5V 1.8V 2.5V 3.3V User Select 9 GND C1 10uF 25V OUT 2 4 6 8 10 12 + C3 IN 1 3 5 7 9 11 E1 GND VIN 2.3V-20V R6 4.12K 1% C C LTC CONFIDENTIAL - FOR CUSTOMER USE ONLY Customer Notice D 1 2 3 LINEAR TECHNOLOGY CORPORATION 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 Technology Applications Engineering For Assistance. This Circuit Is Proprietary To Linear Technology And Supplied For Use With Linear Technology Parts. 4 5 1630 McCARTHY BLVD. MILPITAS, CA. 95035 PHONE (408) 954-8400 FAX (408) 434-0507 Title D 1.1A Low Dropout Regulator Size Document Number Date: Friday, October 13, 2006 Rev A Demo Circuit 1172A LT1965EDD 6 7 Sheet 1 of 8 1