Version 4
SHEET 1 1224 996
WIRE 320 -16 -160 -16
WIRE 464 -16 320 -16
WIRE 320 0 320 -16
WIRE -208 80 -304 80
WIRE -160 80 -160 -16
WIRE -160 80 -208 80
WIRE -96 80 -160 80
WIRE -64 80 -96 80
WIRE 320 80 320 64
WIRE 320 80 288 80
WIRE 464 80 464 -16
WIRE -304 96 -304 80
WIRE -160 144 -160 80
WIRE -96 160 -96 80
WIRE -64 160 -96 160
WIRE 416 160 288 160
WIRE -304 192 -304 176
WIRE -160 240 -160 224
WIRE -64 240 -160 240
WIRE 464 240 464 176
WIRE 464 240 288 240
WIRE 320 256 320 80
WIRE 464 288 464 240
WIRE 496 288 464 288
WIRE 608 288 576 288
WIRE 720 288 608 288
WIRE 832 288 720 288
WIRE 720 304 720 288
WIRE 832 304 832 288
WIRE -64 320 -96 320
WIRE 320 320 288 320
WIRE 464 320 464 288
WIRE 464 320 320 320
WIRE 608 384 608 288
WIRE -64 400 -96 400
WIRE 416 400 288 400
WIRE 720 400 720 368
WIRE 832 400 832 384
WIRE 464 432 464 416
WIRE -208 480 -208 80
WIRE -64 480 -208 480
WIRE 608 480 608 464
WIRE 608 480 288 480
WIRE 608 496 608 480
WIRE -64 560 -80 560
WIRE 352 560 288 560
WIRE 448 560 416 560
WIRE 608 592 608 576
WIRE 112 624 112 608
FLAG 464 432 0
FLAG 720 400 0
FLAG 448 560 0
FLAG 112 624 0
FLAG -304 192 0
FLAG 832 400 0
FLAG 608 592 0
FLAG -96 400 0
FLAG -304 80 IN
FLAG 832 288 OUT
SYMBOL cap 704 304 R0
SYMATTR Value 100µ
SYMATTR InstName C1
SYMBOL cap 416 544 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
WINDOW 39 61 33 VTop 2
SYMATTR InstName C2
SYMATTR Value 1000p
SYMATTR SpiceLine Rser=10.2K
SYMBOL voltage -304 80 R0
SYMATTR InstName V1
SYMATTR Value 3.3
SYMBOL res -176 128 R0
SYMATTR InstName R1
SYMATTR Value 100K
SYMBOL ind 480 304 R270
WINDOW 0 32 56 VTop 2
WINDOW 3 5 56 VBottom 2
SYMATTR InstName L1
SYMATTR Value .47µ
SYMATTR SpiceLine Rpar=1K
SYMBOL res 592 368 R0
SYMATTR InstName R2
SYMATTR Value 118K
SYMBOL res 592 480 R0
SYMATTR InstName R3
SYMATTR Value 59K
SYMBOL PowerProducts\\LTC3822-1 112 320 R0
SYMATTR InstName U1
SYMBOL nmos 416 80 R0
SYMATTR InstName Q1
SYMATTR Value Si4866DY
SYMBOL cap 304 256 R0
WINDOW 3 24 49 Left 2
WINDOW 0 27 13 Left 2
SYMATTR Value .22µ
SYMATTR InstName C5
SYMBOL schottky 304 0 R0
WINDOW 3 26 66 Left 2
SYMATTR Value MBR0520L
SYMATTR InstName D1
SYMATTR Description Diode
SYMATTR Type diode
SYMBOL nmos 416 320 R0
SYMATTR InstName Q2
SYMATTR Value Si4866DY
SYMBOL res 816 288 R0
SYMATTR InstName R4
SYMATTR Value .225
TEXT 744 568 Left 2 !.tran 2m startup