5 D 4 3 2 1 REVISION HISTORY 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 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 Applications Engineering for assistance. ECO REV 2 DESCRIPTION DATE PROTO APPROVED 06/16/05 D VIN E1 VIN 3V - 14V D1 C1 1uF 25V L1 33uH E4 VO3 1 D7 D6 E10 VIN FB1 4 VO2 5 C3 1uF 25V FB2 6 FB2 E5 E8 EN2 GND JP2 SD2 B 1 1 R2 63.4K E7 E9 CONTRACT NO. APPROVALS DRAWN MEI CHECKED A GND 2 SD1 B VIN R4 26.7K 7 JP1 2 9 EN1 VO2 +15V/10mA C9 OPT R3 475K 3 R1 13.3 VOUT2 U1 LT3466EDD-1 10 (LED CURRENT) VOUT1 C2 1uF 50V C E6 3 1 D8 RT E2 VO3 -15V/10mA C8 OPT SW2 VIN SW1 JP3 OVP TEST D9 C4 1uF 25V BAT54ST D5 CTRL2 D4 3 D3 3 GND 8 LEDSD2 1 11 6 LEDS C CNTRL1 3 C5 0.1uF 16V 8 C7 FB1 2 VO1 OPT GND L2 33uH 2 E3 2 VO1 C6 OPT CTRL1 VIN DATE 04/04/05 TECHNOLOGY TITLE CNTRL2 1630 McCarthy Blvd. Milpitas, CA 95035 Phone: (408)432-1900 Fax: (408)434-0507 SCH, LT3466EDD-1, WLED DRIVER AND LCD BIAS A APPROVED ENGINEER DESIGNER Friday, June 24, 2005 5 4 3 SIZE CAGE CODE SCALE: DWG NO FILENAME: 2 915A-2.DSN REV DC915A SHEET 2 1 1 OF 1