A B C D E REVISION HISTORY ECO REV DESCRIPTION 0 DATE 1st PROTOTYPE SILKSCREEN CHANGE & U2 CHANGE TO LT3014BES5 B APPROVED <DATE> <APPROVED> 9/13/06 DILIAN REYES 2.6V 4 4 R1 100 D1 RED 2V INT VIN RF 2 CF 0.1uF 50V 5.1K 4 3 PB GND TP4 PB INT 5 EN 6 KILL 8 SEE NOTE #1 GND 3 KILL D3 11V (Opt) ONT/KILLT 1 0.033uF 2 1 3 3 OPEN JP1 C1 0.033uF TP3 EN TP5 TP7 ON/OFF R3 100K TP2 S1 BLK D2 GRN 2V EN INT VIN OFFT 1 ONT/KILLT CRPP 0.1uF 50V 7 1K VIN 2.7V-26.4V KEYSTONE #232 U1 LTC2950CTS8-2/LTC2951CTS8-2 RRPP 3 TP1 RED R2 100 D4 11V (Opt) D5 11V (Opt) OFFT INT/KILL 1 TIE 2 0.033uF TP6 GND 3 UNTIE JP3 2 OPEN JP2 C2 0.033uF U2 LT3014BES5 VIN BOARD ASSEMBLY 2.6V 1 IN OUT 5 3 NC ADJ 4 U1 2 DC826B-A DC826B-B LTC2950CTS8-2 LTC2951CTS8-2 GND C4 0.47uF 10V R4 113K 1% 2 2 R5 100K 1% NOTE 1. EN, the inverse of EN, is available in the LTC2950-1/LTC2951-1. 1 C:\ORCADWIN\CAPTURE\ARCHIVE\826A\826B_REV0.DSN 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 customers 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. A B C APPROVALS DRAWN: Rudy Bautista ENGINEER: Dilian Reyes LINEAR TECHNOLOGY CORPORATION 1630 McCARTHY BLVD MILPITAS, CA. 95035 (408)432-1900 (408)434-0507 (FAX) Title Size DCxxxA_00.PCB xxxA_x.DSN D Date: LTC Confidential For Customer Use Only On/Off Controller APPROVED: CHECKED: www.linear.com Document Number Rev Demo Circuit 826B Thursday, April 23, 2009 Sheet E 1 0 of 1 1