Version 4
SHEET 1 1368 928
WIRE 656 -96 -48 -96
WIRE 768 -96 656 -96
WIRE 480 -80 -112 -80
WIRE 768 -80 768 -96
WIRE -48 -16 -48 -96
WIRE -16 -16 -48 -16
WIRE 480 -16 480 -80
WIRE 480 -16 432 -16
WIRE 528 -16 480 -16
WIRE 608 -16 592 -16
WIRE 480 0 480 -16
WIRE 656 0 656 -96
WIRE 768 16 768 0
WIRE -112 64 -112 -80
WIRE -16 80 -32 80
WIRE 608 80 432 80
WIRE -112 176 -112 144
WIRE -16 176 -112 176
WIRE 480 176 480 64
WIRE 480 176 432 176
WIRE 528 176 480 176
WIRE 656 176 656 96
WIRE 656 176 592 176
WIRE -112 192 -112 176
WIRE -16 272 -32 272
WIRE 656 272 656 176
WIRE 656 272 432 272
WIRE 704 272 656 272
WIRE 816 272 784 272
WIRE 832 272 816 272
WIRE 928 272 912 272
WIRE 960 272 928 272
WIRE 1024 272 960 272
WIRE 1136 272 1024 272
WIRE -112 288 -112 272
WIRE 656 288 656 272
WIRE 1024 288 1024 272
WIRE 1136 288 1136 272
WIRE -96 368 -128 368
WIRE -16 368 -32 368
WIRE 608 368 432 368
WIRE 1024 384 1024 352
WIRE 1136 384 1136 368
WIRE 656 400 656 384
WIRE -192 464 -224 464
WIRE -16 464 -128 464
WIRE 816 464 816 272
WIRE 816 464 432 464
WIRE 960 544 960 272
WIRE -16 560 -32 560
WIRE 928 560 928 272
WIRE 928 560 432 560
WIRE -16 656 -32 656
WIRE 960 656 960 624
WIRE 960 656 432 656
WIRE 960 672 960 656
WIRE 960 768 960 752
FLAG 656 400 0
FLAG 1024 384 0
FLAG 1136 384 0
FLAG 960 768 0
FLAG 1136 272 OUT
FLAG 608 -16 0
FLAG -224 464 0
FLAG -128 368 0
FLAG 768 16 0
FLAG -32 560 0
FLAG -32 656 0
FLAG -112 288 0
FLAG 768 -96 IN
SYMBOL nmos 608 0 R0
SYMATTR InstName Q1
SYMATTR Value Si4840DY
SYMBOL nmos 608 288 R0
SYMATTR InstName Q2
SYMATTR Value Si4840DY
SYMBOL ind 688 288 R270
WINDOW 0 32 56 VTop 2
WINDOW 3 5 56 VBottom 2
SYMATTR InstName L1
SYMATTR Value 3.2µ
SYMBOL res 816 288 R270
WINDOW 0 32 56 VTop 2
WINDOW 3 0 56 VBottom 2
SYMATTR InstName R1
SYMATTR Value .012
SYMBOL res 944 528 R0
SYMATTR InstName R2
SYMATTR Value 215K
SYMBOL res 944 656 R0
SYMATTR InstName R3
SYMATTR Value 68.1K
SYMBOL cap 528 192 R270
WINDOW 0 32 32 VTop 2
WINDOW 3 0 32 VBottom 2
SYMATTR InstName C1
SYMATTR Value .1µ
SYMBOL schottky 464 0 R0
WINDOW 3 21 69 Left 2
SYMATTR Value MBR0540
SYMATTR InstName D1
SYMATTR Description Diode
SYMATTR Type diode
SYMBOL cap 528 0 R270
WINDOW 0 32 32 VTop 2
WINDOW 3 0 32 VBottom 2
SYMATTR InstName C2
SYMATTR Value 4.7µ
SYMBOL cap -128 448 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
WINDOW 39 60 32 VTop 2
SYMATTR InstName C3
SYMATTR Value 1200p
SYMATTR SpiceLine Rser=9.53K Cpar=150p
SYMBOL cap -32 352 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName C4
SYMATTR Value 1000p
SYMBOL voltage 768 -96 R0
SYMATTR Value 12
SYMATTR InstName V1
SYMBOL PowerProducts\\LTC3835-1 208 320 R0
SYMATTR InstName U1
SYMBOL cap 1008 288 R0
SYMATTR InstName C5
SYMATTR Value 150µ
SYMBOL res -128 48 R0
SYMATTR InstName R4
SYMATTR Value 50K
SYMBOL res -128 176 R0
SYMATTR InstName R5
SYMATTR Value 100K
SYMBOL res 1120 272 R0
SYMATTR InstName Rload
SYMATTR Value 1
TEXT 584 704 Left 2 !.tran 1m startup