Version 4
SHEET 1 896 680
WIRE -192 -48 -272 -48
WIRE -32 -48 -192 -48
WIRE 0 -48 -32 -48
WIRE 112 -48 80 -48
WIRE 144 -48 112 -48
WIRE 240 -48 208 -48
WIRE 368 -48 240 -48
WIRE 464 -48 368 -48
WIRE -272 -32 -272 -48
WIRE 368 -32 368 -48
WIRE 464 -32 464 -48
WIRE -32 16 -32 -48
WIRE 240 16 240 -48
WIRE -192 64 -192 -48
WIRE -160 64 -192 64
WIRE 112 64 112 -48
WIRE 112 64 96 64
WIRE 368 64 368 32
WIRE 464 64 464 48
WIRE -272 80 -272 48
WIRE -160 144 -192 144
WIRE 240 144 240 96
WIRE 240 144 96 144
WIRE 240 160 240 144
WIRE -192 224 -192 144
WIRE -160 224 -192 224
WIRE 112 224 96 224
WIRE 192 224 176 224
WIRE 240 256 240 240
WIRE -32 288 -32 272
FLAG -272 80 0
FLAG -32 288 0
FLAG 192 224 0
FLAG 368 64 0
FLAG 240 256 0
FLAG 464 64 0
FLAG -272 -48 IN
FLAG 464 -48 OUT
FLAG -192 144 Vc
SYMBOL voltage -272 -48 R0
SYMATTR InstName V1
SYMATTR Value 3.3
SYMBOL PowerProducts\\LT3489 -32 144 R0
SYMATTR InstName U1
SYMBOL ind -16 -32 R270
WINDOW 0 32 56 VTop 0
WINDOW 3 5 56 VBottom 0
SYMATTR InstName L1
SYMATTR Value 2.2µ
SYMBOL schottky 144 -32 R270
WINDOW 0 32 32 VTop 0
WINDOW 3 0 32 VBottom 0
SYMATTR InstName D1
SYMATTR Value 1N5818
SYMATTR Description Diode
SYMATTR Type diode
SYMBOL cap 352 -32 R0
SYMATTR InstName C1
SYMATTR Value 20µ
SYMBOL res 224 0 R0
SYMATTR InstName R1
SYMATTR Value 28.7K
SYMBOL res 224 144 R0
SYMATTR InstName R2
SYMATTR Value 5.23K
SYMBOL cap 112 240 R270
WINDOW 0 32 32 VTop 0
WINDOW 3 0 32 VBottom 0
SYMATTR InstName C2
SYMATTR Value .001µ
SYMBOL res 448 -48 R0
SYMATTR InstName Rload
SYMATTR Value 13
TEXT 336 160 Left 0 !.tran 500u startup