Version 4
SHEET 1 880 680
WIRE 176 96 128 96
WIRE 288 96 256 96
WIRE 128 144 128 96
WIRE 288 144 288 96
WIRE 48 224 -32 224
WIRE 64 224 48 224
WIRE 416 224 352 224
WIRE 528 224 416 224
WIRE -32 240 -32 224
WIRE 416 240 416 224
WIRE 528 240 528 224
WIRE -32 336 -32 320
WIRE 48 336 48 224
WIRE 64 336 48 336
WIRE 416 336 416 304
WIRE 528 336 528 320
WIRE 128 432 128 416
WIRE 288 432 288 416
FLAG -32 336 0
FLAG 288 432 0
FLAG 128 432 0
FLAG 416 336 0
FLAG 528 336 0
FLAG 528 224 OUT
FLAG -32 224 IN
SYMBOL ind 160 112 R270
WINDOW 0 32 56 VTop 2
WINDOW 3 5 56 VBottom 2
SYMATTR InstName L1
SYMATTR Value 10µ
SYMBOL voltage -32 224 R0
SYMATTR InstName V1
SYMATTR Value 3.6
SYMBOL cap 400 240 R0
SYMATTR InstName C1
SYMATTR Value 10µ
SYMBOL res 512 224 R0
SYMATTR InstName Rload
SYMATTR Value 20
SYMBOL PowerProducts\\LTC3531-3.3 208 272 R0
SYMATTR InstName U1
TEXT 400 400 Left 2 !.tran 500u startup