Version 4 SHEET 1 1372 708 WIRE -96 112 -96 80 WIRE -96 224 -96 192 WIRE -48 384 -48 368 WIRE -48 480 -48 464 WIRE -16 80 -96 80 WIRE -16 240 -16 80 WIRE 16 80 -16 80 WIRE 64 240 -16 240 WIRE 64 368 -48 368 WIRE 128 80 96 80 WIRE 128 160 128 80 WIRE 208 464 208 448 WIRE 288 160 288 80 WIRE 384 80 288 80 WIRE 384 96 384 80 WIRE 384 176 384 160 WIRE 400 368 352 368 WIRE 400 384 400 368 WIRE 400 480 400 464 WIRE 448 240 352 240 WIRE 448 256 448 240 WIRE 448 352 448 336 WIRE 480 80 384 80 WIRE 544 240 448 240 WIRE 640 80 544 80 WIRE 704 240 608 240 WIRE 800 80 704 80 WIRE 864 240 768 240 WIRE 960 80 864 80 WIRE 1072 80 1024 80 WIRE 1072 160 1072 80 WIRE 1072 240 928 240 WIRE 1072 240 1072 224 FLAG 448 352 0 FLAG 400 480 0 FLAG 208 464 0 FLAG -96 224 0 FLAG -48 480 0 FLAG 384 176 0 FLAG -96 80 IN FLAG 384 80 OUT SYMBOL res 432 240 R0 SYMATTR InstName R1 SYMATTR Value 10 SYMBOL res 384 368 R0 SYMATTR InstName R2 SYMATTR Value 63.4K SYMBOL ind 0 96 R270 WINDOW 0 32 56 VTop 0 WINDOW 3 5 56 VBottom 0 SYMATTR InstName L1 SYMATTR Value 47µ SYMBOL voltage -96 96 R0 SYMATTR InstName V1 SYMATTR Value 3 SYMBOL voltage -48 368 R0 WINDOW 0 29 23 Left 0 WINDOW 3 30 92 Left 0 SYMATTR InstName V2 SYMATTR Value 2 SYMBOL LED 480 96 R270 WINDOW 0 72 32 VTop 0 WINDOW 3 0 32 VBottom 0 SYMATTR InstName D1 SYMATTR Value NSPW500BS SYMATTR Description Diode SYMATTR Type diode SYMBOL LED 640 96 R270 WINDOW 0 72 32 VTop 0 WINDOW 3 0 32 VBottom 0 SYMATTR InstName D2 SYMATTR Value NSPW500BS SYMATTR Description Diode SYMATTR Type diode SYMBOL LED 800 96 R270 WINDOW 0 72 32 VTop 0 WINDOW 3 0 32 VBottom 0 SYMATTR InstName D3 SYMATTR Value NSPW500BS SYMATTR Description Diode SYMATTR Type diode SYMBOL LED 960 96 R270 WINDOW 0 72 32 VTop 0 WINDOW 3 0 32 VBottom 0 SYMATTR InstName D4 SYMATTR Value NSPW500BS SYMATTR Description Diode SYMATTR Type diode SYMBOL LED 1056 160 R0 SYMATTR InstName D5 SYMATTR Value NSPW500BS SYMATTR Description Diode SYMATTR Type diode SYMBOL LED 928 256 M270 WINDOW 0 72 32 VTop 0 WINDOW 3 0 32 VBottom 0 SYMATTR InstName D6 SYMATTR Value NSPW500BS SYMATTR Description Diode SYMATTR Type diode SYMBOL LED 768 256 M270 WINDOW 0 72 32 VTop 0 WINDOW 3 0 32 VBottom 0 SYMATTR InstName D7 SYMATTR Value NSPW500BS SYMATTR Description Diode SYMATTR Type diode SYMBOL LED 608 256 M270 WINDOW 0 72 32 VTop 0 WINDOW 3 0 32 VBottom 0 SYMATTR InstName D8 SYMATTR Value NSPW500BS SYMATTR Description Diode SYMATTR Type diode SYMBOL cap 368 96 R0 WINDOW 3 29 52 Left 0 SYMATTR Value 2.2µ SYMATTR InstName C1 SYMBOL PowerProducts\\LT3466 208 304 R0 SYMATTR InstName U2 TEXT 608 392 Left 0 !.tran 2m startup TEXT 384 -8 Bottom 0 ;LT3466 - 320mA, 200KHz to 2MHz, Dual Function White LED Step-up DC/DC Converter\nInput: 3V Output: Powers 8 LEDs at 20mA TEXT -168 496 Left 0 ;Note:\n If the simulation model is not found please update with the "Sync Release" command from the "Tools" menu.\n It remains the customer's responsibility to verify proper and reliable operation in the actual application.\n Component substitution and printed circuit board layout may significantly affect circuit performance or reliability\n Contact your local sales representative for assistance. This circuit is distributed to customers only for use with LTC parts\n Copyright © 2006 Linear Technology Inc. All rights reserved.