1 2 3 4 5 6 7 8 A A VOUT 1.6V-20V 4 C1 + 10uF 35V CIN1 1uF 25V 2 OUT 3 J1 VOUT Select Exposed Pad Solder Side B GND COUT1 1uF 10V E1 C2 (Opt.) 1 3 5 7 9 11 13 15 E2 VIN OUT 20mA MAX 2 4 6 8 10 12 14 16 VIN 1.2V 1.5V 1.8V 2.0V 2.5V 3.3V 5.0V User U1 LT3009EDC B JP1 5 R1 619K 1% SHDN 6 GND OFF GND E3 GND ADJ R2 931K 1% R3 1.24M 1% R4 1.43M 1% R5 1.96M 1% R6 2.8M 1% R7 4.53M 1% R8 Opt. E4 1 R9 619K 1% 7 1 2 3 ON 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) 432-1900 FAX (408) 434-0507 Title D Ultralow Quiescent Current, 20mA Linear Regulator Size A Document Number Date: Friday, September 01, 2006 Rev Demo Circuit 1156A LT3009EDC 6 7 Sheet 1 of A 8 1