Version 4
SHEET 1 916 692
WIRE -208 144 -336 144
WIRE 16 144 -128 144
WIRE 304 144 16 144
WIRE 432 144 368 144
WIRE 672 144 432 144
WIRE 16 240 16 224
WIRE 672 240 672 144
WIRE 432 304 432 144
WIRE -336 320 -336 144
WIRE -32 320 -32 224
WIRE -32 320 -192 320
WIRE -336 480 -336 400
WIRE 16 480 16 240
WIRE 16 480 -336 480
WIRE 432 480 432 368
WIRE 432 480 16 480
WIRE 672 480 672 320
WIRE 672 480 432 480
WIRE -336 528 -336 480
WIRE -192 528 -192 400
WIRE -192 528 -336 528
WIRE -336 560 -336 528
FLAG -336 560 0
SYMBOL ind -224 160 R270
WINDOW 0 32 56 VTop 2
WINDOW 3 -12 61 VBottom 2
SYMATTR InstName L1
SYMATTR Value 1.5m
SYMATTR SpiceLine Ipk=0.11 Rser=7 Rpar=187958 Cpar=2.66p mfg="Wurth Elektronik" pn="744062152 WE-TPC 6823"
SYMBOL voltage -192 304 R0
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
WINDOW 3 13 223 Left 2
SYMATTR InstName V2
SYMATTR Value PULSE(0 3 19.2ms 1n 1n 800µ 19.2m 10)
SYMBOL nmos -32 144 R0
SYMATTR InstName M1
SYMATTR Value BSC123N10LS
SYMBOL zener 304 160 R270
WINDOW 0 32 32 VTop 2
WINDOW 3 0 32 VBottom 2
SYMATTR InstName D1
SYMATTR Value 1N5369B
SYMATTR Description Diode
SYMATTR Type diode
SYMBOL polcap 416 304 R0
WINDOW 3 24 64 Left 2
SYMATTR Value 0.47µ
SYMATTR InstName C1
SYMATTR Description Capacitor
SYMATTR Type cap
SYMATTR SpiceLine V=50 Irms=22m Rser=3.9 Lser=0 mfg="Nichicon" pn="UPL1HR47MAH" type="Al electrolytic"
SYMBOL res 656 224 R0
SYMATTR InstName R1
SYMATTR Value 1k
SYMBOL voltage -336 304 R0
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR InstName V1
SYMATTR Value 3
TEXT -176 616 Left 2 !.tran 0 25ms 0
TEXT -176 416 Left 2 ;PWM