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TINA/Spice/LMZM33603: Simple model with LMZM33603 SPICE model doesn't seem to run correctly, and very slowly

Part Number: LMZM33603
Other Parts Discussed in Thread: TINA-TI,

Tool/software: TINA-TI or Spice Models

See attached file. This is a simple model based on the LMZM33603 model running in LTSpice. At times it runs as slowly as 1.6ps/s. It also seems to ignored the feedback circuit entirely.

Version 4
SHEET 1 2008 680
WIRE 304 0 128 0
WIRE 384 0 304 0
WIRE 480 0 384 0
WIRE 592 0 480 0
WIRE 880 0 832 0
WIRE 976 0 880 0
WIRE 1120 0 976 0
WIRE 1216 0 1120 0
WIRE 1312 0 1216 0
WIRE 1392 0 1312 0
WIRE 1552 0 1552 -32
WIRE 1552 0 1392 0
WIRE -560 16 -688 16
WIRE 880 16 880 0
WIRE 880 16 832 16
WIRE 128 32 128 0
WIRE 480 32 480 0
WIRE 880 32 880 16
WIRE 880 32 832 32
WIRE 304 48 304 0
WIRE 384 48 384 0
WIRE -688 64 -688 16
WIRE -560 80 -560 16
WIRE 976 80 832 80
WIRE 976 96 976 80
WIRE 1552 96 1552 80
WIRE 1552 96 976 96
WIRE 128 128 128 112
WIRE 480 128 480 112
WIRE 592 128 480 128
WIRE 976 128 976 96
WIRE 480 160 480 128
WIRE 880 160 832 160
WIRE -560 208 -560 160
WIRE -544 208 -560 208
WIRE -448 208 -464 208
WIRE -208 208 -448 208
WIRE -560 240 -560 208
WIRE 880 240 832 240
WIRE 976 240 976 208
WIRE 976 240 880 240
WIRE -448 272 -448 208
WIRE 592 288 560 288
WIRE 560 304 560 288
WIRE 592 304 560 304
WIRE 864 304 832 304
WIRE -608 320 -736 320
WIRE 560 320 560 304
WIRE 592 320 560 320
WIRE 864 320 864 304
WIRE 864 320 832 320
WIRE 560 336 560 320
WIRE 592 336 560 336
WIRE 864 336 864 320
WIRE 864 336 832 336
WIRE -736 352 -736 320
WIRE 560 368 560 336
WIRE -736 464 -736 432
WIRE -128 512 -128 208
WIRE 1552 512 1552 96
WIRE 1552 512 -128 512
FLAG -448 336 0
FLAG -736 464 0
FLAG -688 144 0
FLAG -560 336 0
FLAG -448 208 OUT
FLAG 304 112 0
FLAG 384 112 0
FLAG 1120 64 0
FLAG 1216 64 0
FLAG 1312 64 0
FLAG 1392 64 0
FLAG 480 240 0
FLAG 128 128 0
FLAG 1552 -32 FAN_OUT
FLAG 560 368 0
SYMBOL voltage -736 336 R0
WINDOW 123 0 0 Left 0
WINDOW 39 0 0 Left 0
SYMATTR InstName V1
SYMATTR Value PULSE(0 5 0 0.1us 0.1us 30us 40us)
SYMBOL voltage -688 48 R0
WINDOW 123 0 0 Left 0
WINDOW 39 0 0 Left 0
SYMATTR InstName V2
SYMATTR Value 5
SYMBOL res -576 64 R0
SYMATTR InstName R1
SYMATTR Value 1k
SYMBOL res -448 192 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R2
SYMATTR Value 4.75k
SYMBOL cap -464 272 R0
SYMATTR InstName C1
SYMATTR Value 1�F
SYMBOL nmos -608 240 R0
SYMATTR InstName M1
SYMATTR Value 2N7002
SYMBOL res -112 192 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R3
SYMATTR Value 56.2k
SYMBOL res 1536 -16 R0
SYMATTR InstName R4
SYMATTR Value 619k
SYMBOL AutoGenerated\\LMZM33603_TRANS 704 160 R0
SYMATTR InstName U1
SYMBOL res 464 144 R0
SYMATTR InstName R7
SYMATTR Value 1k
SYMBOL res 464 16 R0
SYMATTR InstName R8
SYMATTR Value 1k
SYMBOL res 960 -16 R0
SYMATTR InstName R9
SYMATTR Value 110k
SYMBOL res 960 112 R0
SYMATTR InstName R10
SYMATTR Value 100k
SYMBOL res 864 144 R0
SYMATTR InstName R11
SYMATTR Value 44.2k
SYMBOL voltage 128 16 R0
WINDOW 123 0 0 Left 0
WINDOW 39 0 0 Left 0
SYMATTR InstName V3
SYMATTR Value 24
SYMBOL cap 368 48 R0
SYMATTR InstName C2
SYMATTR Value 4.7�
SYMATTR SpiceLine V=50 Irms=0 Rser=0 Lser=0 mfg="Murata" pn="GRM21BZ71H475KE15" type="X7R"
SYMBOL cap 1104 0 R0
SYMATTR InstName C3
SYMATTR Value 22�
SYMATTR SpiceLine V=25 Irms=0 Rser=0 Lser=0 mfg="Murata" pn="GRM32ER71E226KE15" type="X7R"
SYMBOL cap 1200 0 R0
SYMATTR InstName C4
SYMATTR Value 22�
SYMATTR SpiceLine V=25 Irms=0 Rser=0 Lser=0 mfg="Murata" pn="GRM32ER71E226KE15" type="X7R"
SYMBOL cap 1296 0 R0
SYMATTR InstName C5
SYMATTR Value 22�
SYMATTR SpiceLine V=25 Irms=0 Rser=0 Lser=0 mfg="Murata" pn="GRM32ER71E226KE15" type="X7R"
SYMBOL cap 1376 0 R0
SYMATTR InstName C6
SYMATTR Value 22�
SYMATTR SpiceLine V=25 Irms=0 Rser=0 Lser=0 mfg="Murata" pn="GRM32ER71E226KE15" type="X7R"
SYMBOL cap 288 48 R0
SYMATTR InstName C7
SYMATTR Value 4.7�
SYMATTR SpiceLine V=50 Irms=0 Rser=0 Lser=0 mfg="Murata" pn="GRM21BZ71H475KE15" type="X7R"
TEXT -208 8 Left 2 !.tran 1s