A GND E1 CIN1 33uF 63V CIN2 2.2uF 100V C1 100pF E2 A R6 0 1% MODE 4 U1 LTC3824EMSE 6 1 GND 2 MODE JP2 CAP 10 DRIVER 9 R3 80.6K 1% C2 3.3nF R4 51 C4 100pF R5 422K 1% 4 SS 6 C6 0.1uF 10% C7 0.1uF 100V 11 5 FB R2 10K 1% C5 0.1uF 16V VCC 8 SENSE 7 GND 3 RSET 4 VC R1 392K 1% 1 1 3 Q1 Si7465DP 4 1 2 3 E3 2 2 BURST 1 SYNC 3 FIXED FREQ 5 A Q2 FQD17P06 (OPT) 5 6 7 8 SYNC R7 0.025 0.5W 1% 3 VIN 5.5V- 60V B L1 22uH TOKO D104C K E4 COUT1 100uF 6.3V D1 90V A 3A SS3H9 COUT2 100uF 6.3V VOUT 5V@ 2A COUT3 1uF 6.3V E5 GND 1 SHDN ON B 3 OFF JP1 2 B 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 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. A CONTRACT NO. APPROVALS DRAWN HELEN DATE 8/22/05 CHECKED APPROVED ENGINEER D. CANNY 8/22/05 DESIGNER Monday, April 16, 2007 TECHNOLOGY 1630 McCarthy Blvd. Milpitas, CA 95035 Phone: (408)432-1900 Fax: (408)434-0507 LTC3824EMSE High Voltage, P-CH MOSFET Step-Down Controller TITLE SIZE CAGE CODE SCALE: DWG NO FILENAME: B REV A DC960A SHEET 1 OF 1