Version 4
SHEET 1 1260 680
WIRE 704 -896 -288 -896
WIRE -288 -832 -288 -896
WIRE 48 -752 -112 -752
WIRE 192 -752 112 -752
WIRE 432 -752 192 -752
WIRE 896 -752 432 -752
WIRE -112 -656 -112 -752
WIRE 192 -656 192 -752
WIRE 432 -480 432 -752
WIRE -288 -448 -288 -752
WIRE -112 -448 -112 -576
WIRE -112 -448 -288 -448
WIRE -288 -432 -288 -448
WIRE 192 -432 192 -576
WIRE 368 -432 192 -432
WIRE 704 -416 704 -896
WIRE 432 -336 432 -384
WIRE 624 -336 432 -336
WIRE 656 -336 624 -336
WIRE 432 -288 432 -336
WIRE 896 -288 896 -752
WIRE 192 -240 192 -432
WIRE 368 -240 192 -240
WIRE -208 -160 -304 -160
WIRE 64 -144 -144 -144
WIRE 192 -144 192 -240
WIRE 432 -128 432 -192
WIRE 704 -128 704 -320
WIRE 704 -128 432 -128
WIRE 736 -128 704 -128
WIRE 896 -128 896 -224
WIRE 896 -128 736 -128
WIRE -304 -112 -304 -160
WIRE 704 -80 704 -128
WIRE 64 -64 64 -144
WIRE 144 -64 64 -64
WIRE -304 48 -304 -32
WIRE 192 48 192 -48
WIRE 192 48 -304 48
WIRE 704 48 704 0
WIRE 704 48 192 48
WIRE 704 64 704 48
FLAG 704 64 0
FLAG -288 -432 0
FLAG 736 -128 VS
FLAG -288 -896 VD
FLAG 624 -336 VG
FLAG -304 -160 PWM
FLAG 896 -752 VBOOT
SYMBOL voltage -304 -128 R0
WINDOW 3 -255 115 Left 2
WINDOW 123 0 0 Left 0
WINDOW 39 0 0 Left 0
SYMATTR Value PULSE(0 5 10u 1n 1n 1u 2u)
SYMATTR InstName V3
SYMBOL nmos 656 -416 R0
SYMATTR InstName M1
SYMATTR Value RSR025N05
SYMBOL cap 880 -288 R0
SYMATTR InstName C3
SYMATTR Value 0.047µ
SYMBOL voltage -288 -848 R0
WINDOW 123 0 0 Left 0
WINDOW 39 0 0 Left 0
SYMATTR InstName V4
SYMATTR Value 10
SYMBOL npn 368 -480 R0
SYMATTR InstName Q1
SYMATTR Value 2SC4617
SYMBOL pnp 368 -192 M180
SYMATTR InstName Q2
SYMATTR Value 2SA1774
SYMBOL voltage -112 -672 R0
WINDOW 123 24 44 Left 2
WINDOW 3 -120 118 Left 2
WINDOW 39 40 56 Left 2
SYMATTR InstName V5
SYMATTR Value PULSE(0 5 0 1n 1n 1 1)
SYMATTR SpiceLine Rser=10
SYMBOL diode 48 -736 R270
WINDOW 0 32 32 VTop 2
WINDOW 3 0 32 VBottom 2
SYMATTR InstName D3
SYMATTR Value Dideal
SYMBOL res 688 -96 R0
SYMATTR InstName R1
SYMATTR Value 3
SYMBOL nmos 144 -144 R0
SYMATTR InstName M2
SYMATTR Value RJU003N03
SYMBOL res 176 -672 R0
SYMATTR InstName R2
SYMATTR Value 1K
SYMBOL Digital\\buf -208 -224 R0
WINDOW 3 -54 -8 Left 2
SYMATTR InstName A1
SYMATTR Value vhigh=5V vlow=0V
TEXT -312 104 Left 2 !.tran 30u
TEXT 48 -840 Left 2 !.model Dideal D(Ron=0.0001 Roff=100G Vfwd=0)