Version 4
SHEET 1 880 680
WIRE -480 240 -480 80
WIRE -480 448 -480 320
WIRE -352 240 -352 112
WIRE -352 448 -352 320
WIRE -272 448 -272 144
WIRE -160 240 -192 240
WIRE -160 272 -160 240
WIRE -160 368 -160 336
WIRE -160 448 -160 368
WIRE -96 80 -480 80
WIRE -96 112 -352 112
WIRE -96 144 -272 144
WIRE -96 240 -160 240
WIRE -96 368 -160 368
WIRE 160 112 112 112
WIRE 160 128 160 112
WIRE 160 208 112 208
WIRE 160 208 160 192
WIRE 160 240 112 240
WIRE 160 256 160 240
WIRE 160 336 112 336
WIRE 160 336 160 320
WIRE 160 416 160 336
WIRE 256 112 160 112
WIRE 256 128 256 112
WIRE 256 240 160 240
WIRE 256 240 256 192
WIRE 272 240 256 240
WIRE 304 368 112 368
WIRE 320 80 112 80
WIRE 400 368 384 368
WIRE 448 0 448 -32
WIRE 448 192 448 96
WIRE 448 208 160 208
WIRE 448 208 448 192
WIRE 448 288 448 208
WIRE 448 416 160 416
WIRE 448 416 448 384
WIRE 448 448 448 416
WIRE 512 192 448 192
WIRE 656 -32 448 -32
WIRE 656 48 656 -32
WIRE 656 192 592 192
WIRE 656 192 656 128
WIRE 656 288 656 192
WIRE 656 448 656 368
WIRE 768 288 768 224
WIRE 768 448 768 368
FLAG 448 448 0
FLAG 272 240 VCC
FLAG 656 448 0
FLAG 768 448 0
FLAG 768 224 VCC
FLAG -160 448 0
FLAG -272 448 0
FLAG -352 448 0
FLAG -480 448 0
FLAG -192 240 VCC
SYMBOL nmos 400 0 R0
SYMATTR InstName M1
SYMATTR Value Si4982DY
SYMBOL nmos 400 288 R0
SYMATTR InstName M2
SYMATTR Value Si4982DY
SYMBOL res 416 64 R90
WINDOW 0 0 56 VBottom 0
WINDOW 3 32 56 VTop 0
SYMATTR InstName R1
SYMATTR Value 33
SYMBOL res 400 352 R90
WINDOW 0 0 56 VBottom 0
WINDOW 3 32 56 VTop 0
SYMATTR InstName R2
SYMATTR Value 33
SYMBOL cap 144 128 R0
WINDOW 0 28 8 Left 0
WINDOW 3 24 53 Left 0
SYMATTR InstName C1
SYMATTR Value 2.2µF
SYMBOL cap 144 256 R0
WINDOW 3 28 57 Left 0
SYMATTR Value 2.2µF
SYMATTR InstName C2
SYMBOL schottky 272 192 R180
WINDOW 0 -29 68 Left 0
WINDOW 3 -106 -4 Left 0
SYMATTR InstName D1
SYMATTR Value MURS120
SYMATTR Description Diode
SYMATTR Type diode
SYMBOL voltage 656 32 R0
WINDOW 123 0 0 Left 0
WINDOW 39 0 0 Left 0
SYMATTR InstName V1
SYMATTR Value 30
SYMBOL voltage 656 272 R0
WINDOW 123 0 0 Left 0
WINDOW 39 0 0 Left 0
SYMATTR InstName V2
SYMATTR Value 30
SYMBOL res 608 176 R90
WINDOW 0 0 56 VBottom 0
WINDOW 3 32 56 VTop 0
SYMATTR InstName R3
SYMATTR Value 100
SYMBOL cap -176 272 R0
SYMATTR InstName C3
SYMATTR Value 10µf
SYMBOL voltage 768 272 R0
WINDOW 123 0 0 Left 0
WINDOW 39 0 0 Left 0
SYMATTR InstName V3
SYMATTR Value 12
SYMBOL voltage -480 224 R0
WINDOW 3 -128 -168 Left 0
WINDOW 123 0 0 Left 0
WINDOW 39 0 0 Left 0
SYMATTR Value PULSE(0 12 20u 20n 20n 3u 10u)
SYMATTR InstName V4
SYMBOL voltage -352 224 R0
WINDOW 3 -119 269 Left 0
WINDOW 123 0 0 Left 0
WINDOW 39 0 0 Left 0
SYMATTR Value PULSE(0 12 23.1u 20n 20n 6800n 10u)
SYMATTR InstName V5
SYMBOL EXTRA\\IRF\\GATEDRV\\IR2010 0 224 R0
SYMATTR InstName U1
TEXT -604 -38 Left 0 !.tran 0 200u 0 10n startup
TEXT -608 -8 Left 0 !.options reltol=1e-2