Version 4
SHEET 1 948 680
WIRE -272 -64 -576 -64
WIRE -32 -64 -272 -64
WIRE 80 -64 -32 -64
WIRE 224 -64 176 -64
WIRE 352 -64 224 -64
WIRE 480 -64 352 -64
WIRE 624 -64 480 -64
WIRE 704 -64 624 -64
WIRE 864 -64 704 -64
WIRE -576 -48 -576 -64
WIRE -272 -48 -272 -64
WIRE 480 -48 480 -64
WIRE 624 -48 624 -64
WIRE 704 -48 704 -64
WIRE 864 -48 864 -64
WIRE 352 -32 352 -64
WIRE -272 32 -272 16
WIRE 224 32 224 -64
WIRE 224 32 -128 32
WIRE -576 48 -576 32
WIRE -32 48 -32 -64
WIRE 96 48 96 -16
WIRE 224 48 224 32
WIRE 352 48 352 32
WIRE 480 48 480 32
WIRE 624 48 624 16
WIRE 704 48 704 16
WIRE 864 48 864 32
WIRE -272 112 -272 96
WIRE -128 176 -128 32
WIRE -96 176 -128 176
WIRE 544 176 528 176
WIRE 224 320 224 304
FLAG 624 48 0
FLAG 704 48 0
FLAG 864 48 0
FLAG 224 320 0
FLAG -272 112 0
FLAG -576 -64 IN
FLAG 864 -64 OUT
FLAG -576 48 0
SYMBOL LT8672 224 176 R0
WINDOW 3 1 47 Center 2
SYMATTR InstName U1
SYMBOL nmos 176 -16 M270
WINDOW 0 83 47 VTop 2
WINDOW 3 56 47 VTop 2
SYMATTR InstName Q1
SYMATTR Value BSC028N06LS3
SYMBOL cap 336 -32 R0
SYMATTR InstName C1
SYMATTR Value 1µ
SYMBOL ind 464 -64 R0
WINDOW 123 38 94 Left 2
WINDOW 0 38 28 Left 2
WINDOW 3 38 61 Left 2
SYMATTR Value2 Rser=5
SYMATTR InstName L1
SYMATTR Value 100µ
SYMBOL cap 608 -48 R0
SYMATTR InstName C2
SYMATTR Value 10µ
SYMATTR Value2 Rser=10m
SYMBOL cap 688 -48 R0
WINDOW 123 23 57 Left 2
WINDOW 3 39 35 Left 2
SYMATTR Value2 Rser=20m
SYMATTR Value 1000µ
SYMATTR InstName C3
SYMBOL zener -288 32 R0
WINDOW 0 28 8 Left 2
WINDOW 3 21 62 Left 2
SYMATTR InstName D1
SYMATTR Value UMZ15K
SYMBOL zener -288 16 M180
WINDOW 0 24 57 Left 2
WINDOW 3 21 10 Left 2
SYMATTR InstName D2
SYMATTR Value UMZ33K
SYMBOL voltage -576 -64 R0
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR InstName V1
SYMATTR Value SINE(12 3 50K 0.2)
SYMBOL res 848 -64 R0
SYMATTR InstName Rload
SYMATTR Value 10
TEXT 528 344 Left 2 !.tran 210m