Version 4
SHEET 1 956 680
WIRE 48 32 -96 32
WIRE 224 32 48 32
WIRE 304 32 224 32
WIRE 480 32 384 32
WIRE 560 32 480 32
WIRE 656 32 624 32
WIRE 720 32 656 32
WIRE 816 32 720 32
WIRE -96 48 -96 32
WIRE 480 48 480 32
WIRE 720 48 720 32
WIRE 816 48 816 32
WIRE 224 80 224 32
WIRE 48 128 48 32
WIRE 80 128 48 128
WIRE 432 128 368 128
WIRE -96 144 -96 128
WIRE 720 144 720 112
WIRE 816 144 816 128
WIRE -64 208 -80 208
WIRE 80 208 0 208
WIRE 384 208 368 208
WIRE 480 208 480 144
WIRE 480 208 464 208
WIRE 656 208 656 32
WIRE -16 288 -80 288
WIRE 80 288 64 288
WIRE 384 288 368 288
WIRE 480 288 480 208
WIRE 480 288 464 288
WIRE 480 304 480 288
WIRE 656 304 656 288
WIRE 656 304 592 304
WIRE 656 320 656 304
WIRE -64 368 -80 368
WIRE 80 368 0 368
WIRE 416 368 368 368
WIRE 480 400 480 384
WIRE 224 416 224 400
WIRE 656 416 656 400
WIRE 416 432 416 368
WIRE 592 432 592 304
WIRE 592 432 416 432
FLAG -96 144 0
FLAG -80 368 0
FLAG -80 288 0
FLAG -80 208 0
FLAG 480 400 0
FLAG 656 416 0
FLAG 224 416 0
FLAG 816 144 0
FLAG 720 144 0
FLAG -96 32 IN
FLAG 816 32 OUT
SYMBOL PowerProducts\\LTC3805-5 224 240 R0
SYMATTR InstName U1
SYMBOL voltage -96 32 R0
SYMATTR InstName V1
SYMATTR Value 5
SYMBOL cap 0 352 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
WINDOW 39 60 32 VTop 2
SYMATTR InstName C1
SYMATTR Value 470p
SYMATTR SpiceLine Rser=20K
SYMBOL res 80 272 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R1
SYMATTR Value 118K
SYMBOL cap 0 192 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName C2
SYMATTR Value .002µ
SYMBOL nmos 432 48 R0
SYMATTR InstName Q1
SYMATTR Value IRF7456
SYMBOL ind 288 48 R270
WINDOW 0 32 56 VTop 2
WINDOW 3 5 56 VBottom 2
SYMATTR InstName L1
SYMATTR Value 4.3µ
SYMATTR SpiceLine Rpar=5K
SYMBOL res 464 288 R0
SYMATTR InstName R2
SYMATTR Value 18m
SYMBOL res 480 192 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R3
SYMATTR Value 1.33K
SYMBOL res 368 304 R270
WINDOW 0 32 56 VTop 2
WINDOW 3 0 56 VBottom 2
SYMATTR InstName R4
SYMATTR Value 3K
SYMBOL res 640 192 R0
SYMATTR InstName R5
SYMATTR Value 191K
SYMBOL res 640 304 R0
SYMATTR InstName R6
SYMATTR Value 13.7K
SYMBOL schottky 560 48 R270
WINDOW 0 32 32 VTop 2
WINDOW 3 0 32 VBottom 2
SYMATTR InstName D1
SYMATTR Value MBRS340
SYMATTR Description Diode
SYMATTR Type diode
SYMBOL res 800 32 R0
SYMATTR InstName Rload
SYMATTR Value 12
SYMBOL cap 704 48 R0
SYMATTR InstName C3
SYMATTR Value 50µ
TEXT 736 416 Left 2 !.tran 3m startup