A B C VIN 2.7V-26.4V KEYSTONE #232 2 OUT TP9 Q1 FDN360P GND 3 IN SHDN 5 OUT 4 ADJ R6 100K RPP R7 100K TP1 R4 113K 1% CPP 0.1uF 50V 1 2 R3 100K CON OPEN JP1 2 * 6 INT 5 3 KILL 8 PDT PDT 1 2 2 3 3 C2 0.47uF INT/KILL 1 CPD TIE OPEN 3 JP3 2 NOTE 1: EN, the inverse of EN, is available in the LTC2954-1 CUSTOMER NOTICE CONTRACT NO. 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. B GND TP6 2 UNTIE JP2 * 1 KILL TP5 1 C1 0.033uF INT TP2 ONT A D2 GRN 7 3 ONT PB CF 0.1uF 50V 4 ON/OFF D1 RED TP10 NOTE 1 GND S1 2P6V EN VIN RF1 5.1K RF2 5.1K INT C4 0.47uF 10V TP3 EN TP4 R2 100 U1 LTC2954CTS8-2 PB 3 R1 100 GND R5 100K 1% 1K 4 2P6V 2 BLK 1 D3 9.1V TP7 2P6V U2 LT3014BES5 4 (Optional 9V battery) E 3 TP8 1 RED GND XJP3 D C APPROVALS DATE DRAWN Antonina Karpova 3/29/06 CHECKED APPROVED ENGINEER Dilian Reyes 3/29/06 DESIGNER Tuesday, July 18, 2006 TECHNOLOGY 1630 McCarthy Blvd. Milpitas, CA 95035 Phone: (408)432-1900 Fax: (408)434-0507 1 TITLE LTC2954CTS8-2 Push Button ON/OFF Controller with uP Interrupt SIZE CAGE CODE SCALE: FILENAME: D DWG NO REV DC1090A SHEET 1 E 3 OF 1