5 4 3 2 1 TP16 D3 D2 OPT D9 D1 OPT D8 OPT D7 1 1 OPT D10 1 1 CPO 0 - 250mA D12 OPT D6 D11 OPT D5 OPT D4 TP15 17 20 1 21 TP3 C1 1.0uF 10V RED D 4 GRN 3 BLU 2 4 RED C2 1.0uF 10V 16 C3 2.2uF 10V 1 TP11 U9 1 TP10 U8 TP9 1 U2 TP5 1 U3 2 ULED1 3 ULED2 4 ULED3 C2M C2P C1M C1P TP4 CPO GND 1 U1 C GRN 3 BLU 2 RED 19 2 GRN 4 BLU D 3 1 GND ULED9 14 ULED8 13 ULED7 12 LTC3219EUD ULED6 11 E1 6 ULED4 5 DVCC SDA U1 ENU U7 C TP8 1 U6 TP7 1 U5 TP6 1 10 U4 E3 1 7 1 9 E2 GND ULED5 VBAT 15 2.9V - 5.5V C4 2.2uF 10V SCL 18 C5 4.7uF 6.3V 8 1 GND VBAT 1 ENU C6 0.1uF 10V TP13 B B 1 SCL TP14 SDA 1 J1 1 3 5 7 9 11 13 + + + + + + + + + + + + + + R4 2 4 6 8 10 12 14 R1 U2 R2 5.1K 5% A TP1 SMT 1 TP2 SMT 1 R3 5.1K 5% 1 A0 SDA 5 2 A1 Vcc 8 3 A2 6 SCLK 7 WP Vss 4 4 WARNING! Do not look directly at operating LEDs. Serious eye damage may occur. 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. 24LC025 5 R6 1.0M 5% CUSTOMER NOTICE C7 0.1uF 10V TP20 DVCC 0 1.0K 5% R5 5.1K 5% CON14AP 1 3 APPROVALS DRAWN Nick Carlone DATE 11/15/05 TECHNOLOGY TITLE CHECKED APPROVED 1630 McCarthy Blvd. Milpitas, CA 95035 Phone: (408)432-1900 Fax: (408)434-0507 A LTC3219EUD 250mA Universal Nine Channel Output LED Driver ENGINEER Marty Merchant 11/15/05 DESIGNER Friday, June 15, 2007 SIZE CAGE CODE DWG NO REV A DC1055A FILENAME: SCALE: 2 SHEET 1 1 OF 1