Version 4
SHEET 1 1304 680
WIRE -320 208 -576 208
WIRE -176 208 -320 208
WIRE -32 208 -176 208
WIRE 96 208 -32 208
WIRE 368 208 240 208
WIRE 496 208 368 208
WIRE 544 208 496 208
WIRE 688 208 624 208
WIRE 848 208 688 208
WIRE 976 208 848 208
WIRE 1120 208 976 208
WIRE 1168 208 1120 208
WIRE 848 240 848 208
WIRE 96 272 48 272
WIRE 352 272 240 272
WIRE 496 272 496 208
WIRE 496 272 416 272
WIRE -320 304 -320 208
WIRE -176 304 -176 208
WIRE -32 304 -32 208
WIRE 976 304 976 208
WIRE 1168 304 1168 208
WIRE -576 320 -576 208
WIRE 96 336 64 336
WIRE 848 336 848 320
WIRE 848 336 240 336
WIRE 848 352 848 336
WIRE 496 368 496 272
WIRE 688 368 688 208
WIRE -576 496 -576 400
WIRE -320 496 -320 368
WIRE -320 496 -576 496
WIRE -176 496 -176 368
WIRE -176 496 -320 496
WIRE -32 496 -32 368
WIRE -32 496 -176 496
WIRE 64 496 64 336
WIRE 64 496 -32 496
WIRE 496 496 496 432
WIRE 496 496 64 496
WIRE 688 496 688 432
WIRE 688 496 496 496
WIRE 848 496 848 432
WIRE 848 496 688 496
WIRE 976 496 976 384
WIRE 976 496 848 496
WIRE 1168 496 1168 384
WIRE 1168 496 976 496
WIRE -576 528 -576 496
FLAG -576 528 0
FLAG 1120 208 Vout
FLAG 368 208 sw
SYMBOL cap -336 304 R0
WINDOW 39 24 84 Left 2
SYMATTR InstName C1
SYMATTR Value 10u
SYMATTR SpiceLine Rser=20m
SYMBOL cap -192 304 R0
WINDOW 39 24 84 Left 2
SYMATTR InstName C2
SYMATTR Value 10u
SYMATTR SpiceLine Rser=20m
SYMBOL cap -48 304 R0
SYMATTR InstName C3
SYMATTR Value 1u
SYMBOL cap 672 432 M180
WINDOW 0 24 56 Left 2
WINDOW 3 24 8 Left 2
WINDOW 39 24 -20 Left 2
SYMATTR InstName C5
SYMATTR Value 33u
SYMATTR SpiceLine Rser=10m
SYMBOL ind 528 224 R270
WINDOW 0 32 56 VTop 2
WINDOW 3 5 56 VBottom 2
WINDOW 39 -23 56 VBottom 2
SYMATTR InstName L1
SYMATTR Value 15u
SYMATTR SpiceLine Rser=50m
SYMBOL res 832 336 R0
SYMATTR InstName R1
SYMATTR Value 1.02k
SYMBOL res 832 224 R0
SYMATTR InstName R2
SYMATTR Value 2.87k
SYMBOL voltage -576 304 R0
WINDOW 123 0 0 Left 0
WINDOW 39 24 124 Left 2
SYMATTR SpiceLine Rser=0.1
SYMATTR InstName V1
SYMATTR Value 24
SYMBOL schottky 480 432 M180
WINDOW 0 24 64 Left 2
WINDOW 3 24 0 Left 2
SYMATTR InstName D1
SYMATTR Value RBR5L60A
SYMATTR Description Diode
SYMATTR Type diode
SYMBOL cap 416 256 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName C4
SYMATTR Value 10n
SYMBOL res 960 288 R0
SYMATTR InstName R3
SYMATTR Value 1k
SYMBOL Misc\\EuropeanResistor 1152 288 R0
SYMATTR InstName RL
SYMATTR Value 100
SYMBOL LM22676-ADJ_TRANS 160 240 R0
SYMATTR InstName U1
TEXT -576 104 Left 2 !.tran 0 0.6m 0 10n
TEXT -576 64 Left 2 !.options noopiter gminsteps=0 srcsteps=0 ptrantau=0 ptranmax=1n
TEXT -568 8 Left 4 ;Control Panel -> SPICE -> Solver:Alternate
TEXT 816 160 Left 2 ;Minimum Load 5mA