Version 4
SHEET 1 1540 1000
WIRE 208 -384 208 -400
WIRE 112 -304 -80 -304
WIRE 592 -304 112 -304
WIRE -80 -288 -80 -304
WIRE 208 -288 208 -320
WIRE 448 -288 208 -288
WIRE 448 -272 448 -288
WIRE 112 -256 112 -304
WIRE 208 -256 208 -288
WIRE -80 -192 -80 -208
WIRE 32 -192 16 -192
WIRE 448 -192 448 -208
WIRE 448 -192 384 -192
WIRE 448 -176 448 -192
WIRE 592 -176 592 -304
WIRE 32 -96 16 -96
WIRE 544 -96 384 -96
WIRE 32 0 16 0
WIRE 448 0 448 -112
WIRE 448 0 384 0
WIRE 592 0 592 -80
WIRE 592 0 448 0
WIRE 752 0 592 0
WIRE 784 0 752 0
WIRE 896 0 864 0
WIRE 960 0 896 0
WIRE 1088 0 960 0
WIRE 592 16 592 0
WIRE 960 16 960 0
WIRE 1088 16 1088 0
WIRE 32 96 16 96
WIRE 544 96 384 96
WIRE 960 112 960 80
WIRE 1088 112 1088 96
WIRE 592 128 592 112
WIRE -64 192 -80 192
WIRE 32 192 16 192
WIRE 416 192 384 192
WIRE 576 192 416 192
WIRE 752 192 752 0
WIRE 752 192 656 192
WIRE 416 208 416 192
WIRE -64 288 -80 288
WIRE 32 288 0 288
WIRE 416 288 416 272
WIRE 416 288 384 288
WIRE 896 288 896 0
WIRE 896 288 416 288
WIRE 416 304 416 288
WIRE -144 384 -160 384
WIRE 32 384 -80 384
WIRE 416 384 416 368
WIRE 416 384 384 384
WIRE 576 384 416 384
WIRE 752 384 752 192
WIRE 752 384 656 384
WIRE 32 480 16 480
WIRE 896 480 896 288
WIRE 896 480 384 480
WIRE 32 576 16 576
WIRE 400 576 384 576
WIRE 32 672 16 672
WIRE 400 672 384 672
WIRE 496 672 480 672
WIRE 512 672 496 672
WIRE 608 672 592 672
WIRE 144 752 144 736
WIRE 272 752 272 736
WIRE 496 752 496 672
WIRE 496 752 272 752
FLAG 144 752 0
FLAG 208 -400 0
FLAG -80 -192 0
FLAG -80 192 0
FLAG -160 384 0
FLAG -80 288 0
FLAG 16 672 0
FLAG 592 128 0
FLAG 960 112 0
FLAG 400 576 0
FLAG 608 672 0
FLAG 1088 112 0
FLAG 1088 0 OUT
FLAG -80 -304 IN
SYMBOL PowerProducts\\LTC3866 208 240 R0
SYMATTR InstName U1
SYMBOL voltage -80 -304 R0
SYMATTR InstName V1
SYMATTR Value 12
SYMBOL cap 192 -384 R0
SYMATTR InstName C1
SYMATTR Value 4.7µ
SYMBOL res 32 176 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R1
SYMATTR Value 100K
SYMBOL cap -80 400 M270
WINDOW 0 32 32 VTop 2
WINDOW 3 0 32 VBottom 2
WINDOW 39 -21 32 VBottom 2
SYMATTR InstName C2
SYMATTR Value 1500p
SYMATTR SpiceLine Rser=10K Cpar=220p
SYMBOL cap 0 304 M270
WINDOW 0 32 32 VTop 2
WINDOW 3 0 32 VBottom 2
SYMATTR InstName C3
SYMATTR Value .002µ
SYMBOL schottky 432 -272 R0
SYMATTR InstName D1
SYMATTR Value CMDSH2-3
SYMATTR Description Diode
SYMATTR Type diode
SYMBOL cap 432 -176 R0
SYMATTR InstName C4
SYMATTR Value .1µ
SYMBOL nmos 544 -176 R0
SYMATTR InstName Q1
SYMATTR Value BSC0901NS
SYMBOL nmos 544 16 R0
SYMATTR InstName Q2
SYMATTR Value BSC0901NS
SYMBOL ind 768 16 R270
WINDOW 0 32 56 VTop 2
WINDOW 3 5 56 VBottom 2
SYMATTR InstName L1
SYMATTR Value .33µ
SYMATTR SpiceLine Rser=.32m
SYMBOL polcap 944 16 R0
WINDOW 3 39 38 Left 2
WINDOW 123 24 73 Left 2
SYMATTR Value 470µ
SYMATTR Value2 x4
SYMATTR InstName C5
SYMATTR Description Capacitor
SYMATTR Type cap
SYMATTR SpiceLine V=2.5 Irms=5 Rser=0.01 Lser=0 mfg="KEMET" pn="T530D477M2R5ASE010" type="Tantalum"
SYMBOL res 672 176 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R2
SYMATTR Value 4.64K
SYMBOL res 672 368 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R3
SYMATTR Value 931
SYMBOL cap 400 208 R0
SYMATTR InstName C6
SYMATTR Value 220n
SYMBOL cap 400 304 R0
SYMATTR InstName C7
SYMATTR Value 220n
SYMBOL res 384 688 R270
WINDOW 0 32 56 VTop 2
WINDOW 3 0 56 VBottom 2
SYMATTR InstName R4
SYMATTR Value 30.1K
SYMBOL res 496 688 R270
WINDOW 0 32 56 VTop 2
WINDOW 3 0 56 VBottom 2
SYMATTR InstName R5
SYMATTR Value 20K
SYMBOL res 1072 0 R0
SYMATTR InstName R6
SYMATTR Value 50m
TEXT 840 720 Left 2 !.tran 1.5m startup