1 2 3 4 5 6 7 8 A A E1 1 E2 2 1 JP1 3 1 E6 Gnd 1 E3 1 Gnd R7 1M R8 1M R1 37.4 1% U1 LTC3202EDD R2 37.4 1% D4 LED R3 37.4 1% 2 2 D3 LED B D5 LED R4 37.4 1% D6 LED 1 2 2 2 2 6 2 C2+ C2- 9 7 C6 1uF 6.3V FB D2 LED 1 VIN D1 LED C4 4.7uF 6.3V 1 4 3 1 D1 VOUT 5 C5 0.1uF D0 1 0 1 3.0V to 4.5Vin C1 0.1uF 1 1 R9 100K 1 2 JP2 3 1 E5 10 GND 1 B C1- E4 D1 C3 1uF 6.3V White LED Output Monitor 0 8 1 C2 1uF 6.3V C1+ D0 R5 37.4 1% R6 37.4 1% C C E7 1 VFB LINEAR TECHNOLOGY CORPORATION 1630 McCARTHY BLVD. MILPITAS, CA 95035 (408) 432-1900 (408) 434-0507 FAX D Title Size A NOTES : unless otherwise specified D High Efficiency White LED Driver Document Number DEMO DC633A LTC3202EDD Date: Friday, January 24, 2003 1 2 3 4 5 6 Sheet 7 1 of 1 8 Rev