* Z:\home\khalils\Downloads\files\data\raw_asc\LTC4365.asc
* Generated by LTspice 26.0.1 for Windows.
* OV/UV Test Jig\n \nThis circuit tests the LT4365's behavior with "normal" Overvoltage and Undervoltage\nconditions. The part is configured to pass 12V nominally, down to 3V and up to 18V,\nthe same typical automotive application in the datasheet.\n \nV(in) is driven to 12V and held until the part turns on and stabilizes. \nV(in) is then driven below 3V to test the Undervoltage lockout, then below 2.5V\nto test the miniumum voltage threshold.\nV(in) is returned to 12V and held until the part is on and stable again.\nV(in) is driven above 18V to test the Overvoltage lockout.\nFinally, V(in) is returned to 12V and held until the part turns on and stabilizes again.
* Library below included based on ModelFile attribute of instance XU1 (C:\users\khalils\AppData\Local\LTspice\lib\sym\SpecialFunctions\LTC4365.asy)
R3 N004 N006 243K
Rload OUT 0 34
MQ2 OUT N002 N001 N001 Si4850EY
XU1 0 N006 N004 IN N002 OUT N005 N003 LTC4365 ;pnba GND)OV)UV)Vin)GATE)Vout)_FAULT)_SHDN
C1 OUT 0 100
V1 IN 0 PWL(0 0 10m 12 60m 12 70m 12 80m 3.125 85m 3.125 85.1m 2.25 90m 2.25 100m 12 140m 12 140.1m 12 150m 19.825 155m 19.825 155.1m 19.825 165m 12 205m 12)
R5 OUT N005 10K
R2 IN N004 1820K
MQ1 IN N002 N001 N001 Si4850EY
R1 N003 IN 510K
R4 N006 0 59K
.model NMOS NMOS
.model PMOS PMOS
.lib C:\users\khalils\AppData\Local\LTspice\lib\cmp\standard.mos
.tran 210m
.lib LTC4365.sub
.backanno
.end

* LTspice schematic (.asc):
Version 4
SHEET 1 1996 804
WIRE -304 -48 -496 -48
WIRE -128 -48 -304 -48
WIRE -48 -48 -128 -48
WIRE 32 -48 -48 -48
WIRE 160 -48 128 -48
WIRE 368 -48 256 -48
WIRE 432 -48 368 -48
WIRE 496 -48 432 -48
WIRE 624 -48 496 -48
WIRE 496 -32 496 -48
WIRE 624 -32 624 -48
WIRE 112 32 112 0
WIRE 144 32 112 32
WIRE 176 32 176 0
WIRE 176 32 144 32
WIRE 144 48 144 32
WIRE 496 64 496 32
WIRE 624 64 624 48
WIRE -128 80 -128 -48
WIRE -304 96 -304 -48
WIRE -48 112 -48 -48
WIRE -16 112 -48 112
WIRE 368 112 368 -48
WIRE 368 112 288 112
WIRE 432 144 432 -48
WIRE -128 176 -128 160
WIRE -16 176 -128 176
WIRE -304 192 -304 176
WIRE -160 192 -304 192
WIRE -304 208 -304 192
WIRE -160 240 -160 192
WIRE -16 240 -160 240
WIRE 432 240 432 224
WIRE 432 240 288 240
WIRE -304 304 -304 288
WIRE -16 304 -304 304
WIRE -304 320 -304 304
WIRE 144 368 144 352
WIRE -496 400 -496 -48
WIRE -304 416 -304 400
WIRE -496 496 -496 480
SYMBOL res 608 -48 R0
SYMATTR InstName Rload
SYMATTR Value 34
SYMBOL res -320 192 R0
SYMATTR InstName R3
SYMATTR Value 243K
SYMBOL nmos 32 0 R270
WINDOW 0 56 49 VTop 2
WINDOW 3 -16 67 VLeft 2
SYMATTR InstName Q1
SYMATTR Value Si4850EY
SYMBOL cap 480 -32 R0
SYMATTR InstName C1
SYMATTR Value 100
SYMBOL res -144 176 M180
WINDOW 0 36 76 Left 2
WINDOW 3 36 40 Left 2
SYMATTR InstName R1
SYMATTR Value 510K
SYMBOL res -320 304 R0
SYMATTR InstName R4
SYMATTR Value 59K
SYMBOL nmos 256 0 M270
WINDOW 0 53 50 VTop 2
WINDOW 3 -16 72 VLeft 2
SYMATTR InstName Q2
SYMATTR Value Si4850EY
SYMBOL res -320 80 R0
SYMATTR InstName R2
SYMATTR Value 1820K
SYMBOL res 416 128 R0
SYMATTR InstName R5
SYMATTR Value 10K
SYMBOL SpecialFunctions\\LTC4365 144 272 R0
SYMATTR InstName U1
SYMBOL voltage -496 384 R0
WINDOW 123 24 146 Left 2
WINDOW 39 24 125 Left 2
SYMATTR Value PWL(0 0 10m 12 60m 12 70m 12 80m 3.125 85m 3.125 85.1m 2.25 90m 2.25 100m 12 140m 12 140.1m 12 150m 19.825 155m 19.825 155.1m 19.825 165m 12 205m 12)
SYMATTR InstName V1
FLAG -496 -48 IN
FLAG 624 -48 OUT
FLAG 144 368 0
FLAG -496 496 0
FLAG -304 416 0
FLAG 624 64 0
FLAG 496 64 0
TEXT 488 376 Left 2 !.tran 210m
TEXT 728 56 Left 1 ;OV/UV Test Jig\n \nThis circuit tests the LT4365's behavior with "normal" Overvoltage and Undervoltage\nconditions.  The part is configured to pass 12V nominally, down to 3V and up to 18V,\nthe same typical automotive application in the datasheet.\n \nV(in) is driven to 12V and held until the part turns on and stabilizes.  \nV(in) is then driven below 3V to test the Undervoltage lockout, then below 2.5V\nto test the miniumum voltage threshold.\nV(in) is returned to 12V and held until the part is on and stable again.\nV(in) is driven above 18V to test the Overvoltage lockout.\nFinally, V(in) is returned to 12V and held until the part turns on and stabilizes again.