Version 4
SHEET 1 940 968
WIRE -176 -112 -304 -112
WIRE 32 -112 -176 -112
WIRE 256 -112 32 -112
WIRE 432 -112 256 -112
WIRE 880 -112 432 -112
WIRE 256 -80 256 -112
WIRE 880 -80 880 -112
WIRE 32 -48 32 -112
WIRE -176 16 -176 -112
WIRE -128 16 -176 16
WIRE 256 16 256 -16
WIRE 256 16 192 16
WIRE 256 32 256 16
WIRE 432 32 432 -112
WIRE 880 32 880 0
WIRE -496 112 -560 112
WIRE -128 112 -416 112
WIRE 384 112 192 112
WIRE 432 176 432 128
WIRE 576 176 432 176
WIRE 752 176 656 176
WIRE 880 176 752 176
WIRE 752 192 752 176
WIRE 880 192 880 176
WIRE -304 208 -304 -112
WIRE -256 208 -304 208
WIRE -128 208 -176 208
WIRE 256 208 256 96
WIRE 256 208 192 208
WIRE 432 208 432 176
WIRE 432 208 256 208
WIRE 432 224 432 208
WIRE 752 288 752 256
WIRE 880 288 880 272
WIRE -496 304 -560 304
WIRE -128 304 -416 304
WIRE 384 304 192 304
WIRE 432 336 432 320
WIRE -256 400 -304 400
WIRE -128 400 -176 400
WIRE 240 400 192 400
WIRE 32 496 32 464
FLAG 880 32 0
FLAG 432 336 0
FLAG 752 288 0
FLAG 880 288 0
FLAG 32 496 0
FLAG 240 400 0
FLAG 880 -112 IN
FLAG 880 176 OUT
FLAG -304 400 0
FLAG -560 304 0
FLAG -560 112 0
SYMBOL voltage 880 -96 R0
WINDOW 3 21 91 Left 2
SYMATTR Value 10
SYMATTR InstName V1
SYMBOL nmos 384 32 R0
SYMATTR InstName Q1
SYMATTR Value BSC090N03LS
SYMBOL nmos 384 224 R0
SYMATTR InstName Q2
SYMATTR Value BSC090N03LS
SYMBOL ind 560 192 R270
WINDOW 0 32 56 VTop 2
WINDOW 3 5 56 VBottom 2
SYMATTR InstName L1
SYMATTR Value 100n
SYMATTR SpiceLine Rser=1m
SYMBOL cap 736 192 R0
SYMATTR InstName C2
SYMATTR Value 40µ
SYMATTR SpiceLine Rser=10m
SYMBOL res 864 176 R0
SYMATTR InstName R3
SYMATTR Value 0.1
SYMBOL res -160 192 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R1
SYMATTR Value 51.1k
SYMBOL cap 240 32 R0
SYMATTR InstName C1
SYMATTR Value 0.47µ
SYMBOL res -160 384 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R2
SYMATTR Value 79.6k
SYMBOL schottky 240 -80 R0
SYMATTR InstName D1
SYMATTR Value RSX205L-30
SYMATTR Description Diode
SYMATTR Type diode
SYMBOL voltage -400 304 R90
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
WINDOW 0 -48 42 VRight 2
WINDOW 3 48 -129 VRight 2
SYMATTR InstName V2
SYMATTR Value PULSE(0 2.5 100u 1n 1n 1u 2u)
SYMBOL voltage -400 112 R90
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
WINDOW 0 -49 41 VRight 2
WINDOW 3 50 -68 VRight 2
SYMATTR InstName V3
SYMATTR Value PWL(0 0 200u 0 200.1u 2 202u 2 202.1u 0)
SYMBOL LTC7061 32 208 R0
SYMATTR InstName U1
TEXT 120 496 Left 2 !.tran 0.6m startup