* SPICE netlist
R12 N002 N004 44.2K
R10 N004 N005 1K
R11 N005 0 4.53K
R9 N001 N007 27.4K
R7 N007 N008 1K
R8 N008 0 4.53K
R4 N009 N011 4.64K
R5 N011 N012 845
R6 N012 N018 54.9K
R1 N009 N014 4.64K
R2 N014 N015 768
R3 N015 N017 37.4K
R13 N003 N006 10K
R14 N003 N010 10K
C1 N016 0 .01
V1 N002 0 PWL(0 0 5 5 6 5 7 6 8 6 10 4 11 4 12 5)
V2 N001 0 PWL(0 0 3.3 3.3 13 3.3 14 4.3 15 4.3 17 2.3 18 2.3 19 3.3)
V3 N018 0 PWL(0 0 5 -5 20 -5 21 -6 22 -6 24 -4 25 -4 26 -5)
V4 N017 0 PWL(0 0 3.3 -3.3 27 -3.3 28 -4.3 29 -4.3 31 -2.3 32 -2.3 33 -3.3)
V5 N003 0 PWL(0 0 3.3 3.3 34 3.3 37.3 0 38.3 0 41.6 3.3)
V6 N013 0 PULSE(0 3.3 28.5 1p 1p .1)
XU1 N004 N005 N007 N008 N011 N012 N014 N015 0 N009 N006 N010 N013 0 N016 N003 LTC2914-2 ;pnba VH1)VL1)VH2)VL2)VH3)VL3)VH4)VL4)GND)Ref)_OV)_UV)DIS)SEL)TMR)Vcc
.tran 45

* LTspice schematic (.asc)
Version 4
SHEET 1 1632 976
WIRE -128 -488 -816 -488
WIRE -368 -472 -672 -472
WIRE -368 -456 -368 -472
WIRE -128 -456 -128 -488
WIRE 640 -424 416 -424
WIRE 736 -424 640 -424
WIRE 816 -424 736 -424
WIRE 416 -408 416 -424
WIRE 816 -408 816 -424
WIRE -368 -360 -368 -376
WIRE 288 -360 -368 -360
WIRE -368 -344 -368 -360
WIRE 576 -344 544 -344
WIRE 640 -344 640 -424
WIRE 816 -312 816 -328
WIRE -368 -248 -368 -264
WIRE 288 -248 -368 -248
WIRE -368 -232 -368 -248
WIRE 640 -232 640 -264
WIRE 640 -232 544 -232
WIRE -128 -216 -128 -376
WIRE 288 -216 -128 -216
WIRE -128 -200 -128 -216
WIRE 736 -200 736 -424
WIRE -672 -168 -672 -472
WIRE -368 -136 -368 -152
WIRE -128 -104 -128 -120
WIRE 288 -104 -128 -104
WIRE -128 -88 -128 -104
WIRE -672 -72 -672 -88
WIRE 176 -72 0 -72
WIRE 288 -72 176 -72
WIRE 736 -72 736 -120
WIRE 736 -72 544 -72
WIRE -816 -56 -816 -488
WIRE 288 -40 96 -40
WIRE 0 -24 0 -72
WIRE 176 -24 176 -72
WIRE -128 8 -128 -8
WIRE -816 40 -816 24
WIRE 288 72 128 72
WIRE 0 88 0 56
WIRE 96 88 96 -40
WIRE 96 88 0 88
WIRE 624 88 544 88
WIRE 176 104 176 56
WIRE 288 104 176 104
WIRE 624 104 624 88
WIRE 0 120 0 88
WIRE 176 120 176 104
WIRE 624 200 624 184
WIRE 0 216 0 200
WIRE 128 216 128 72
WIRE 128 216 0 216
WIRE 176 216 176 200
WIRE 288 216 176 216
WIRE 176 232 176 216
WIRE 0 248 0 216
WIRE 368 280 368 264
WIRE 464 280 464 264
WIRE 176 328 176 312
WIRE 464 360 464 344
WIRE 0 392 0 328
WIRE 176 424 176 408
WIRE 0 488 0 472
FLAG -368 -136 0
FLAG -128 8 0
FLAG 816 -312 0
FLAG -816 40 0
FLAG -672 -72 0
FLAG 0 488 0
FLAG 176 424 0
FLAG 368 280 0
FLAG 464 360 0
FLAG 576 -344 0
FLAG 624 200 0
SYMBOL res -384 -472 R0
SYMATTR InstName R12
SYMATTR Value 44.2K
SYMBOL res -384 -360 R0
SYMATTR InstName R10
SYMATTR Value 1K
SYMBOL res -384 -248 R0
SYMATTR InstName R11
SYMATTR Value 4.53K
SYMBOL res -144 -472 R0
SYMATTR InstName R9
SYMATTR Value 27.4K
SYMBOL res -144 -216 R0
SYMATTR InstName R7
SYMATTR Value 1K
SYMBOL res -144 -104 R0
SYMATTR InstName R8
SYMATTR Value 4.53K
SYMBOL res -16 -40 R0
SYMATTR InstName R4
SYMATTR Value 4.64K
SYMBOL res -16 104 R0
SYMATTR InstName R5
SYMATTR Value 845
SYMBOL res -16 232 R0
SYMATTR InstName R6
SYMATTR Value 54.9K
SYMBOL res 160 -40 R0
SYMATTR InstName R1
SYMATTR Value 4.64K
SYMBOL res 160 104 R0
SYMATTR InstName R2
SYMATTR Value 768
SYMBOL res 160 216 R0
SYMATTR InstName R3
SYMATTR Value 37.4K
SYMBOL res 624 -360 R0
SYMATTR InstName R13
SYMATTR Value 10K
SYMBOL res 720 -216 R0
SYMATTR InstName R14
SYMATTR Value 10K
SYMBOL cap 448 280 R0
SYMATTR InstName C1
SYMATTR Value .01
SYMBOL voltage -672 -184 R0
SYMATTR InstName V1
SYMATTR Value PWL(0 0 5 5 6 5 7 6 8 6 10 4 11 4 12 5)
SYMBOL voltage -816 -72 R0
SYMATTR InstName V2
SYMATTR Value PWL(0 0 3.3 3.3 13 3.3 14 4.3 15 4.3 17 2.3 18 2.3 19 3.3)
SYMBOL voltage 0 376 R0
SYMATTR Value PWL(0 0 5 -5 20 -5 21 -6 22 -6 24 -4 25 -4 26 -5)
SYMATTR InstName V3
SYMBOL voltage 176 312 R0
SYMATTR Value PWL(0 0 3.3 -3.3 27 -3.3 28 -4.3 29 -4.3 31 -2.3 32 -2.3 33 -3.3)
SYMATTR InstName V4
SYMBOL voltage 816 -424 R0
SYMATTR InstName V5
SYMATTR Value PWL(0 0 3.3 3.3 34 3.3 37.3 0 38.3 0 41.6 3.3)
SYMBOL voltage 624 88 R0
SYMATTR InstName V6
SYMATTR Value PULSE(0 3.3 28.5 1p 1p .1)
SYMBOL PowerProducts\\LTC2914-2 416 -72 R0
SYMATTR InstName U1