Version 4
SHEET 1 904 1284
WIRE -416 -80 -752 -80
WIRE 80 -80 -336 -80
WIRE 144 -80 80 -80
WIRE 272 -80 208 -80
WIRE -752 32 -752 -80
WIRE -720 32 -752 32
WIRE -624 32 -656 32
WIRE -336 32 -624 32
WIRE -160 32 -336 32
WIRE -160 64 -160 32
WIRE -336 96 -336 32
WIRE 80 96 80 -80
WIRE -224 112 -256 112
WIRE -160 176 -160 160
WIRE 32 176 -160 176
WIRE -160 192 -160 176
WIRE -256 240 -256 112
WIRE -224 240 -256 240
WIRE -336 272 -336 176
WIRE -256 272 -256 240
WIRE -256 272 -336 272
WIRE -624 320 -624 32
WIRE -336 336 -336 272
WIRE 272 384 272 -80
WIRE -384 416 -464 416
WIRE -464 432 -464 416
WIRE -624 528 -624 384
WIRE -464 528 -464 512
WIRE -464 528 -624 528
WIRE -336 528 -336 432
WIRE -336 528 -464 528
WIRE -160 528 -160 288
WIRE -160 528 -336 528
WIRE 80 528 80 192
WIRE 80 528 -160 528
WIRE -752 624 -752 32
WIRE -336 624 -752 624
WIRE -160 624 -336 624
WIRE -160 656 -160 624
WIRE -336 688 -336 624
WIRE 80 688 80 528
WIRE -224 704 -256 704
WIRE -160 768 -160 752
WIRE 32 768 -160 768
WIRE -160 784 -160 768
WIRE -752 800 -752 624
WIRE -256 832 -256 704
WIRE -224 832 -256 832
WIRE -336 864 -336 768
WIRE -256 864 -256 832
WIRE -256 864 -336 864
WIRE -336 928 -336 864
WIRE -384 1008 -464 1008
WIRE -464 1024 -464 1008
WIRE -464 1120 -464 1104
WIRE -336 1120 -336 1024
WIRE -336 1120 -464 1120
WIRE -160 1120 -160 880
WIRE -160 1120 -336 1120
WIRE 80 1120 80 784
WIRE 80 1120 -160 1120
WIRE -752 1200 -752 880
WIRE 80 1200 80 1120
WIRE 80 1200 -752 1200
WIRE 272 1200 272 464
WIRE 272 1200 80 1200
WIRE -752 1216 -752 1200
FLAG -752 1216 0
SYMBOL nmos 32 688 R0
SYMATTR InstName M1
SYMATTR Value IRF510
SYMBOL nmos 32 96 R0
SYMATTR InstName M2
SYMATTR Value IRF510
SYMBOL res -352 672 R0
SYMATTR InstName R2
SYMATTR Value 1k
SYMBOL nmos -384 928 R0
SYMATTR InstName M8
SYMATTR Value Si9428DY
SYMBOL voltage -464 1008 R0
WINDOW 3 -2 128 Left 2
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR InstName V4
SYMATTR Value PULSE(12 0 1m 1u 1u .1m .13m 20)
SYMBOL voltage -752 784 R0
SYMATTR InstName Vin
SYMATTR Value 12
SYMBOL ind -432 -64 R270
WINDOW 0 32 56 VTop 2
WINDOW 3 5 56 VBottom 2
SYMATTR InstName L1
SYMATTR Value 1000µ
SYMBOL schottky 144 -64 R270
WINDOW 0 32 32 VTop 2
WINDOW 3 0 32 VBottom 2
SYMATTR InstName D1
SYMATTR Value MBR20100CT
SYMATTR Description Diode
SYMATTR Type diode
SYMBOL voltage 272 368 R0
SYMATTR InstName Vout
SYMATTR Value 48
SYMBOL res -352 80 R0
SYMATTR InstName R1
SYMATTR Value 1k
SYMBOL nmos -384 336 R0
SYMATTR InstName M5
SYMATTR Value Si9428DY
SYMBOL voltage -464 416 R0
WINDOW 3 -3 131 Left 2
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR InstName V2
SYMATTR Value PULSE(12 0 1m 1u 1u .1m .13m)
SYMBOL cap -640 320 R0
SYMATTR InstName C1
SYMATTR Value 100µ
SYMBOL diode -720 48 R270
WINDOW 0 32 32 VTop 2
WINDOW 3 0 32 VBottom 2
SYMATTR InstName D2
SYMATTR Value 1N4148
SYMBOL npn2 -224 64 R0
SYMATTR InstName Q1
SYMBOL pnp2 -224 288 M180
SYMATTR InstName Q2
SYMBOL npn2 -224 656 R0
SYMATTR InstName Q3
SYMBOL pnp2 -224 880 M180
SYMATTR InstName Q4
TEXT -706 1224 Left 2 !.tran 10m
TEXT -24 24 Right 2 ;gate\ndriver
TEXT -24 616 Right 2 ;gate\ndriver
RECTANGLE Normal -16 1152 -528 592 2
RECTANGLE Normal -16 560 -528 0 2