Version 4
SHEET 1 880 680
WIRE 192 64 176 64
WIRE 288 64 272 64
WIRE 304 64 288 64
WIRE 416 64 368 64
WIRE 528 64 416 64
WIRE 608 64 528 64
WIRE 416 80 416 64
WIRE 608 80 608 64
WIRE -16 96 -112 96
WIRE 64 96 -16 96
WIRE 528 96 528 64
WIRE -112 112 -112 96
WIRE 64 112 64 96
WIRE 176 112 176 64
WIRE 288 112 288 64
WIRE -16 176 -16 96
WIRE 16 176 -16 176
WIRE 416 176 416 160
WIRE 416 176 336 176
WIRE 416 192 416 176
WIRE 528 192 528 160
WIRE 608 192 608 160
WIRE -112 208 -112 192
WIRE -16 240 -16 176
WIRE 16 240 -16 240
WIRE 352 240 336 240
WIRE 416 288 416 272
WIRE -64 304 -80 304
WIRE 16 304 0 304
WIRE 352 304 352 240
WIRE 352 304 336 304
WIRE 16 368 -48 368
WIRE 352 368 336 368
WIRE 448 368 432 368
WIRE -48 384 -48 368
WIRE 448 384 448 368
WIRE 176 432 176 416
WIRE 448 464 448 448
WIRE -48 480 -48 464
FLAG 448 464 0
FLAG 176 432 0
FLAG -80 304 0
FLAG -48 480 0
FLAG -112 208 0
FLAG 528 192 0
FLAG 416 288 0
FLAG 608 192 0
FLAG 608 64 OUT
FLAG -112 96 IN
SYMBOL PowerProducts\\LT3479 176 256 R0
SYMATTR InstName U1
SYMBOL ind 176 80 R270
WINDOW 0 32 56 VTop 2
WINDOW 3 5 56 VBottom 2
SYMATTR InstName L1
SYMATTR Value 4.7µ
SYMBOL res 448 352 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R1
SYMATTR Value 10K
SYMBOL cap 432 384 R0
SYMATTR InstName C1
SYMATTR Value .0022µ
SYMBOL cap 0 288 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName C2
SYMATTR Value .001µ
SYMBOL res -64 368 R0
SYMATTR InstName R2
SYMATTR Value 17.8K
SYMBOL voltage -112 96 R0
SYMATTR InstName V1
SYMATTR Value 5
SYMBOL schottky 304 80 R270
WINDOW 0 32 32 VTop 2
WINDOW 3 0 32 VBottom 2
SYMATTR InstName D1
SYMATTR Value 1N5819
SYMATTR Description Diode
SYMATTR Type diode
SYMBOL res 400 64 R0
SYMATTR InstName R3
SYMATTR Value 200K
SYMBOL res 400 176 R0
SYMATTR InstName R4
SYMATTR Value 23.2K
SYMBOL cap 512 96 R0
SYMATTR InstName C3
SYMATTR Value 30µ
SYMBOL res 592 64 R0
SYMATTR InstName Rload
SYMATTR Value 25
TEXT 472 320 Left 2 !.tran 1m startup