5 4 3 2 1 NOTES: UNLESS OTHERWISE SPECFIED 1. THERE ARE 3 ASSEMBLY VERSIONS AS TABLE BELOW: DC711A-A DC711A-B DC711A-C CHARGE B ISW-PK LDT565630T-001 LDT565630T-002 LDT565630T-003 D 1.4A 0.7A 1.0A CIN 4.7UF,10V 0805 U1 5 CHARGE R1 100K 0402 4 3 VIN SW 1 D2 ZHCS400TA SOD323 CHARGE DONE GND 2 D1 GSD2004S 3 4 8 1 C1 10UF,10V 1206 DANGER ! HIGH VOLTAGE ! OPERATION BY TRAINED PERSONNEL T1 SEE TABLE 5 VIN C E3 LT3468ES5 LT3468ES5-1 LT3468ES5-2 T1 6 1 1 2 VOUT 2 COUT 0.022UF,630V 1206 GND DONE E6 GND GND E4 7 SEE TABLE E5 DONE E2 C VOUT 320V +STROBE CAP GND -STROBE CAP 2 VIN E1 2.5V-8V U1 3 ASSY. VERSIONS D CAREFULLY DISCHARGE HIGH VOLTAGE CAPS WHEN INPUT VOLTAGE IS REMOVED B 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 CIRUIT BOARD LAYOUT MAY SIGNIFICANTLY AFFECT CIRCUIT PERFORMANCE OR RELIABILITY. CONTACT LINEAR TECHNOLOGY APPLICATIONS ENGINEERING FOR ASSISTANCE. A THIS CIRCUIT IS PROPRIETARY TO LINEAR TECHNOLOGY AND SUPPLIED FOR USE WITH LINEAR TECHNOLOGY PARTS. 5 4 3 APPROVALS DRAWN: TECHNOLOGY KIM T. CHECKED: APPROVED: ENGINEER: RAYMOND Z. DESIGNER: 1630 McCarthy Blvd. Milpitas, CA 95035 Phone: (408)432-1900 Fax: (408)434-0507 LTC Confidential-For Customer Use Only TITLE: A PHOTOFLASH CAPACITOR CHARGER HIGH VOLTAGE SUPPLY SIZE DWG NO. A DATE: DC711A-1*LT3468ES5 Tuesday, January 27, 2004 2 SHEET 1 REV A 1 OF 1