Version 4
SHEET 1 880 692
WIRE -192 64 -288 64
WIRE 128 64 -192 64
WIRE 336 64 208 64
WIRE -288 80 -288 64
WIRE -192 144 -192 64
WIRE 16 144 -192 144
WIRE 336 144 336 64
WIRE 336 144 304 144
WIRE -288 176 -288 160
WIRE -192 224 -192 144
WIRE -112 224 -192 224
WIRE 16 224 -32 224
WIRE 544 224 304 224
WIRE 640 224 544 224
WIRE 640 240 640 224
WIRE 544 256 544 224
WIRE -192 304 -192 224
WIRE 16 304 -192 304
WIRE 352 304 304 304
WIRE 464 304 352 304
WIRE 464 320 464 304
WIRE 544 336 544 320
WIRE 640 336 640 320
WIRE -192 384 -192 304
WIRE -176 384 -192 384
WIRE -64 384 -96 384
WIRE 16 384 -64 384
WIRE 352 384 304 384
WIRE 352 400 352 384
WIRE 464 400 464 384
WIRE 16 464 0 464
WIRE 320 464 304 464
WIRE 352 496 352 480
WIRE 16 544 0 544
WIRE 320 544 304 544
WIRE 160 608 160 592
FLAG 160 608 0
FLAG 352 496 0
FLAG 544 336 0
FLAG 464 400 0
FLAG -288 176 0
FLAG 640 336 0
FLAG -64 448 0
FLAG -288 64 IN
FLAG 640 224 OUT
SYMBOL ind 112 80 R270
WINDOW 0 32 56 VTop 2
WINDOW 3 5 56 VBottom 2
SYMATTR InstName L1
SYMATTR Value 6.8µ
SYMBOL res 336 288 R0
SYMATTR InstName R1
SYMATTR Value 2Meg
SYMBOL res 336 384 R0
SYMATTR InstName R2
SYMATTR Value 100K
SYMBOL cap 448 320 R0
SYMATTR InstName C1
SYMATTR Value .47µ
SYMBOL cap 528 256 R0
SYMATTR InstName C2
SYMATTR Value 2.2µ
SYMBOL voltage -288 64 R0
SYMATTR InstName V1
SYMATTR Value 3.6
SYMBOL res 624 224 R0
SYMATTR InstName Rload
SYMATTR Value 312.5
SYMBOL res -16 240 M270
WINDOW 0 32 56 VTop 2
WINDOW 3 0 56 VBottom 2
SYMATTR InstName R4
SYMATTR Value 10K
SYMBOL cap -80 384 R0
WINDOW 0 34 17 Left 2
WINDOW 3 35 50 Left 2
SYMATTR InstName C3
SYMATTR Value .1µ
SYMBOL res -80 400 M270
WINDOW 0 32 56 VTop 2
WINDOW 3 0 56 VBottom 2
SYMATTR InstName R5
SYMATTR Value 100K
SYMBOL PowerProducts\\LT3473A 160 336 R0
SYMATTR InstName U1
TEXT 472 464 Left 2 !.tran 6m startup