Version 4
SHEET 1 880 680
WIRE 272 48 -176 48
WIRE 400 48 272 48
WIRE 400 64 400 48
WIRE -176 80 -176 48
WIRE 64 80 -32 80
WIRE 176 80 64 80
WIRE -32 96 -32 80
WIRE 176 96 176 80
WIRE 272 96 272 48
WIRE 64 160 64 80
WIRE 96 160 64 160
WIRE 400 160 400 144
WIRE 400 160 352 160
WIRE 400 176 400 160
WIRE -176 192 -176 160
WIRE -32 192 -32 176
WIRE 64 224 64 160
WIRE 96 224 64 224
WIRE 400 272 400 240
WIRE 400 272 352 272
WIRE 512 272 400 272
WIRE 608 272 512 272
WIRE 400 288 400 272
WIRE 512 288 512 272
WIRE 608 288 608 272
WIRE -80 304 -96 304
WIRE 16 304 0 304
WIRE 96 304 80 304
WIRE -32 384 -96 384
WIRE 96 384 48 384
WIRE 400 384 400 368
WIRE 400 384 352 384
WIRE 512 384 512 352
WIRE 608 384 608 368
WIRE 400 400 400 384
WIRE 224 432 224 416
WIRE 400 496 400 480
FLAG -32 192 0
FLAG -176 192 0
FLAG 400 496 0
FLAG -96 384 0
FLAG -96 304 0
FLAG 224 432 0
FLAG 512 384 0
FLAG 608 384 0
FLAG 608 272 OUT
SYMBOL PowerProducts\\LTC3423 224 272 R0
SYMATTR InstName U1
SYMBOL res 64 368 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R1
SYMATTR Value 30.1K
SYMBOL res 16 288 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R2
SYMATTR Value 82K
SYMBOL res 384 272 R0
SYMATTR InstName R3
SYMATTR Value 110K
SYMBOL res 384 384 R0
SYMATTR InstName R4
SYMATTR Value 249K
SYMBOL voltage -32 80 R0
SYMATTR InstName V1
SYMATTR Value 3
SYMBOL cap 496 288 R0
SYMATTR InstName C1
SYMATTR Value 44µ
SYMATTR SpiceLine Rser=.1
SYMBOL voltage -176 64 R0
SYMATTR InstName V2
SYMATTR Value 1.2
SYMBOL ind 384 48 R0
SYMATTR InstName L1
SYMATTR Value 2.2µ
SYMBOL cap 80 288 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName C2
SYMATTR Value 470p
SYMBOL schottky 384 176 R0
SYMATTR InstName D1
SYMATTR Value 1N5817
SYMATTR Description Diode
SYMATTR Type diode
SYMBOL res 592 272 R0
SYMATTR InstName Rload
SYMATTR Value 30
TEXT 504 464 Left 2 !.tran 1m startup