Version 4
SHEET 1 1812 788
WIRE 80 0 80 -80
WIRE 208 0 80 0
WIRE 80 48 80 0
WIRE 80 176 80 128
WIRE 160 176 80 176
WIRE 208 176 208 64
WIRE 208 176 160 176
WIRE -144 224 -160 224
WIRE -64 224 -80 224
WIRE 80 240 80 176
WIRE -160 320 -160 224
WIRE -160 320 -240 320
WIRE -144 320 -160 320
WIRE -64 320 -64 224
WIRE -64 320 -80 320
WIRE 32 320 -64 320
WIRE 80 384 80 336
FLAG -240 400 0
FLAG -1088 176 0
FLAG -1088 96 +3
FLAG -512 0 +3
FLAG -448 0 +3
FLAG -512 64 0
FLAG -448 64 0
FLAG -480 768 0
FLAG -480 688 eta
FLAG 80 -80 +3
FLAG 80 384 0
FLAG 160 176 led-
SYMBOL diode 224 64 R180
WINDOW 0 24 64 Left 2
WINDOW 3 -209 -9 Left 2
SYMATTR InstName D1
SYMATTR Value LV_CRBP.01_25-min
SYMBOL ind 64 32 R0
SYMATTR InstName L1
SYMATTR Value 1m
SYMATTR SpiceLine Ipk=0.14 Rser=29
SYMBOL nmos 32 240 R0
SYMATTR InstName M1
SYMATTR Value IRLML6244
SYMBOL voltage -240 304 R0
WINDOW 123 0 0 Left 0
WINDOW 39 24 124 Left 2
WINDOW 3 -369 135 Left 2
SYMATTR InstName V1
SYMATTR Value PULSE(0 3 1.2e-6 17e-9 17e-9 6.12e-6 16e-3)
SYMBOL voltage -1088 80 R0
WINDOW 123 0 0 Left 0
WINDOW 39 24 124 Left 2
SYMATTR SpiceLine Rser=100
SYMATTR InstName V2
SYMATTR Value 3
SYMBOL cap -528 0 R0
SYMATTR InstName C1
SYMATTR Value 10µ
SYMBOL cap -464 0 R0
SYMATTR InstName C2
SYMATTR Value 10n
SYMBOL bv -480 672 R0
SYMATTR InstName B1
SYMATTR Value V=idt(-V(+3,led-)*I(D1))/idt(-V(+3)*I(V2))
SYMBOL diode -144 336 R270
WINDOW 0 32 32 VTop 2
WINDOW 3 0 32 VBottom 2
SYMATTR InstName D2
SYMATTR Value ID
SYMBOL diode -80 208 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName D3
SYMATTR Value ID
TEXT 208 -328 Left 2 !.model LV_CRBP.01_25-min D (BV=7 IS=3.223817631764513e-14 N=3.454960721622244 RS=0.3874073653535945 Tnom=25 mfg=OSRAM_OS)
TEXT -1152 8 Left 2 !.tran 0 20e-6
TEXT 352 -240 Left 2 ;.step dec param R_snub 10k 100k 2
TEXT -464 168 Left 2 !.model ID D(Ron=0 Roff=1G Vfwd=0 Ilimit=32e-3)
TEXT -216 144 Left 2 ;current clamp model
TEXT 232 264 Left 2 !.model ID2 D(Ron=0 Roff=1G Vfwd=4.2)