Version 4
SHEET 1 880 680
WIRE 96 32 80 32
WIRE 176 32 160 32
WIRE 80 80 80 32
WIRE 176 80 176 32
WIRE -144 128 -176 128
WIRE -32 128 -64 128
WIRE -16 128 -32 128
WIRE 560 128 272 128
WIRE 608 128 560 128
WIRE 608 144 608 128
WIRE -16 192 -192 192
WIRE 384 192 272 192
WIRE 560 192 560 128
WIRE 560 192 448 192
WIRE -192 208 -192 192
WIRE 608 224 608 208
WIRE -32 256 -32 128
WIRE -16 256 -32 256
WIRE 288 256 272 256
WIRE 560 256 560 192
WIRE 560 256 352 256
WIRE -192 304 -192 288
WIRE -32 320 -32 256
WIRE -16 320 -32 320
WIRE 384 320 272 320
WIRE 560 320 560 256
WIRE 560 320 448 320
WIRE -16 384 -80 384
WIRE 288 384 272 384
WIRE -80 400 -80 384
WIRE -80 496 -80 480
FLAG -176 128 0
FLAG 288 384 0
FLAG 608 224 0
FLAG -80 496 0
FLAG -192 304 0
SYMBOL voltage -48 128 R90
WINDOW 0 -32 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName V1
SYMATTR Value 3
SYMBOL LED 448 176 R90
WINDOW 0 1 10 VLeft 2
WINDOW 3 37 13 VLeft 2
SYMATTR InstName D1
SYMATTR Value AOT-2015
SYMATTR Description Diode
SYMATTR Type diode
SYMBOL cap 592 144 R0
SYMATTR InstName C1
SYMATTR Value 1µ
SYMBOL PowerProducts\\LTC3212 128 256 R0
SYMATTR InstName U1
SYMBOL cap 96 48 R270
WINDOW 0 32 32 VTop 2
WINDOW 3 0 32 VBottom 2
SYMATTR InstName C2
SYMATTR Value 1µ
SYMBOL res -96 384 R0
SYMATTR InstName R1
SYMATTR Value 11.8K
SYMBOL voltage -192 192 R0
WINDOW 3 -252 143 Left 2
SYMATTR Value PULSE(1 0 40u 10n 10n 100n 200n 15)
SYMATTR InstName V2
SYMBOL LED 352 240 R90
WINDOW 0 1 10 VLeft 2
WINDOW 3 37 13 VLeft 2
SYMATTR InstName D2
SYMATTR Value AOT-2015
SYMATTR Description Diode
SYMATTR Type diode
SYMBOL LED 448 304 R90
WINDOW 0 1 10 VLeft 2
WINDOW 3 37 13 VLeft 2
SYMATTR InstName D3
SYMATTR Value AOT-2015
SYMATTR Description Diode
SYMATTR Type diode
TEXT 352 440 Left 2 !.tran 1.5m startup