5 4 3 2 1 HAZARD WARNING! SHOCK DO NOT REMOVE COVER TP2 GND 4 7 8 1 PERKINELMER + + C2 13uF 330V RUBYCON R3 510K R10 510K U1 VIN 3 TOKYO COIL ENG. 2 CHARGE/IADJ DONE 6 JP1 R11 1M 8 D R4 0 T2 BO-02 SW 8 CHARGE/IADJ 7 5 VBAT C7 2.2uF 10V 0603 1 IGBTPU 10 R1 68 IGBTPD 9 GND C6 2.2uF 10V 0603 OPT C [1] 3 GND 4 VCC RENESAS DONE C 11 TP6 VIN 2.8V-4.2V Q1 CY25BAH-8F C3 0.033uF 630V 1206 1 IGBTIN 2 IGBTPWR TRIGGER C - 1 2 3 4 5 6 C1 4.7uF 6.3V 0603 FT1 FTA160709 D1 GSD2004S 1 2 5 6 7 CIN [1] 0805 [1] TRIGGER WIRE D T1 3 VBAT TP1 1.8V-4.2V 5V MAX C5 0.1uF GND DAT 1 2 CLK 3 4 MCLR VIN 5 6 OPEN VIN B FLASH S1 REDEYE S2 3 D5 BAT54W 1 R6 10K VIN 1 VDD 2 RA5 R9 1K 1 3 2 4 RED CHARGE HIGH CURRENT JP2 RC0 10 RC1 9 7 RC3 VIN RC2 8 B VIN VSS 14 RA0/ICSPDAT 13 5 RC5 6 RC4 GRN R8 1K C4 0.1uF 3 RA4 RA1/ICSPCLK 12 4 RA3/MCLR RA2/INT 11 D4 READY VIN U2 PIC16F630-I/ST ON/OFF S3 R7 100K TP3 DONE TP4 CHARGE/ADJ TP5 TRIGGER R12 0 DONE R13 0 CHARGE/IADJ R14 0 TRIGGER LOW CURRENT FOR ASSEMBLY A [1] VERSION T1 CIN -A LT3585EDDB-0 CAP, 0805 10uF 20% 6.3V X5R LDT565630T-001 -B LT3585EDDB-1 CAP, 0805 4.7uF 10% 6.3V X5R LDT565630T-002 -C LT3585EDDB-2 CAP, 0805 10uF 20% 6.3V X5R LDT565630T-003 -D 5 U1 LT3585EDDB-3 CAP, 0805 22uF 20% 6.3V X5R 4 LDT565630T-041 CUSTOMER NOTICE 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. CONTRACT NO. APPROVALS DRAWN: TITLE: CHECKED: SCHEMATIC PHOTOFLASH CHARGER WITH ADJUSTABLE INPUT CURRENT AND IGBT DRIVER APPROVED: ENGINEER: DAVID NG DESIGNER: SIZE A THIS CIRCUIT IS PROPRIETARY TO LINEAR TECHNOLOGY AND SUPPLIED FOR USE WITH LINEAR TECHNOLOGY PARTS. 3 TECHNOLOGY KIM T. 1630 McCarthy Blvd. Milpitas, CA 95035 Phone: (408)432-1900 Fax: (408)434-0507 LTC Confidential-For Customer Use Only DATE: 2 DWG NO. DC988A-1 * LT3585EDDB-0/-1/-2/-3 Tuesday, August 01, 2006 SHEET 1 REV A-1 1 OF 1 A