Version 4 SHEET 1 7296 2116 WIRE 2208 -1120 1424 -1120 WIRE 3088 -1120 2208 -1120 WIRE 1424 -1104 1424 -1120 WIRE 2208 -1040 2208 -1120 WIRE 2272 -1040 2208 -1040 WIRE 3088 -1040 3088 -1120 WIRE 3088 -1040 2592 -1040 WIRE 1424 -1008 1424 -1024 WIRE 3088 -928 3088 -1040 WIRE 2272 -912 2256 -912 WIRE 3040 -912 2592 -912 WIRE 1424 -864 1424 -880 WIRE 2272 -784 2176 -784 WIRE 3088 -784 3088 -832 WIRE 3088 -784 2592 -784 WIRE 3104 -784 3088 -784 WIRE 3184 -784 3168 -784 WIRE 3088 -736 3088 -784 WIRE 1424 -720 1424 -736 WIRE 2176 -656 2176 -784 WIRE 2272 -656 2176 -656 WIRE 3040 -656 2592 -656 WIRE 1424 -576 1424 -592 WIRE 2096 -528 2080 -528 WIRE 2176 -528 2176 -656 WIRE 2176 -528 2160 -528 WIRE 2272 -528 2176 -528 WIRE 2624 -528 2592 -528 WIRE 2704 -528 2624 -528 WIRE 2816 -528 2768 -528 WIRE 2176 -496 2176 -528 WIRE 2624 -496 2624 -528 WIRE 1424 -416 1424 -432 WIRE 2176 -400 2176 -416 WIRE 2272 -400 2176 -400 WIRE 2624 -400 2624 -432 WIRE 2624 -400 2592 -400 WIRE 2896 -400 2624 -400 WIRE 3088 -400 3088 -640 WIRE 3088 -400 2896 -400 WIRE 2896 -352 2896 -400 WIRE 2176 -272 2160 -272 WIRE 2272 -272 2256 -272 WIRE 2848 -272 2592 -272 WIRE 2896 -240 2896 -256 WIRE 2176 -144 2160 -144 WIRE 2272 -144 2240 -144 WIRE 3088 -144 3088 -400 WIRE 3088 -144 2592 -144 WIRE 3088 -112 3088 -144 WIRE 2176 -16 2160 -16 WIRE 2272 -16 2256 -16 WIRE 3088 -16 3088 -32 WIRE 3088 -16 2592 -16 WIRE 3088 32 3088 -16 WIRE 2048 112 1984 112 WIRE 2176 112 2128 112 WIRE 2272 112 2176 112 WIRE 2608 112 2592 112 WIRE 1984 128 1984 112 WIRE 2176 128 2176 112 WIRE 3088 160 3088 112 WIRE 3088 160 2896 160 WIRE 1984 208 1984 192 WIRE 2176 208 2176 192 WIRE 2048 240 1984 240 WIRE 2176 240 2128 240 WIRE 2272 240 2176 240 WIRE 2848 240 2592 240 WIRE 1984 256 1984 240 WIRE 2176 256 2176 240 WIRE 2896 272 2896 256 WIRE 1984 336 1984 320 WIRE 2176 336 2176 320 WIRE 2048 368 2016 368 WIRE 2176 368 2128 368 WIRE 2272 368 2176 368 WIRE 2624 368 2592 368 WIRE 2704 368 2624 368 WIRE 2816 368 2816 -528 WIRE 2816 368 2768 368 WIRE 2176 400 2176 368 WIRE 2624 400 2624 368 WIRE 1952 496 1920 496 WIRE 2064 496 2032 496 WIRE 2272 496 2064 496 WIRE 2624 496 2624 464 WIRE 2624 496 2592 496 WIRE 3088 496 3088 160 WIRE 3088 496 2624 496 WIRE 2064 528 2064 496 WIRE 3088 608 3088 496 WIRE 2064 624 2064 608 WIRE 2176 624 2176 480 WIRE 2176 624 2064 624 WIRE 2272 624 2176 624 WIRE 3040 624 2592 624 WIRE 2064 752 2064 624 WIRE 2272 752 2064 752 WIRE 2624 752 2592 752 WIRE 2688 752 2624 752 WIRE 3088 752 3088 704 WIRE 3088 752 2768 752 WIRE 2624 784 2624 752 WIRE 3088 784 3088 752 WIRE 2160 880 2144 880 WIRE 2240 880 2224 880 WIRE 2272 880 2240 880 WIRE 2624 880 2624 848 WIRE 2624 880 2592 880 WIRE 2688 880 2624 880 WIRE 3088 880 3088 864 WIRE 3088 880 2768 880 WIRE 2432 944 2432 928 WIRE 2240 992 2240 880 WIRE 2816 992 2816 368 WIRE 2816 992 2240 992 WIRE 2064 1024 2064 752 WIRE 3088 1024 3088 880 WIRE 3088 1024 2064 1024 WIRE 3200 1024 3088 1024 WIRE 3088 1040 3088 1024 WIRE 3200 1040 3200 1024 WIRE 3088 1136 3088 1104 WIRE 3200 1136 3200 1120 FLAG 2896 272 0 FLAG 2896 -240 0 FLAG 2432 944 0 FLAG 1424 -864 0 FLAG 3200 1024 OUT FLAG 3088 1136 0 FLAG 3184 -784 0 FLAG 1424 -1120 IN FLAG 3200 1136 0 FLAG 2608 112 0 FLAG 2256 -912 0 FLAG 2080 -528 0 FLAG 2160 -272 0 FLAG 2160 -144 0 FLAG 2160 -16 0 FLAG 1984 208 0 FLAG 2176 208 0 FLAG 2176 336 0 FLAG 1984 336 0 FLAG 2016 368 0 FLAG 1920 496 0 FLAG 2144 880 0 FLAG 1424 -720 0 FLAG 1424 -576 0 FLAG 1424 -416 0 FLAG 1424 -1008 0 SYMBOL PowerProducts\\LT8210 2432 -80 R0 SYMATTR InstName U1 SYMBOL ind 3072 16 R0 WINDOW 0 49 45 Left 2 SYMATTR InstName L1 SYMATTR Value 2.6µ SYMATTR SpiceLine Ipk=0 Rser=0.00158 Rpar=0 Cpar=0 SYMBOL res 3072 -128 R0 SYMATTR InstName R1 SYMATTR Value 2m SYMBOL nmos 2848 160 R0 WINDOW 3 59 64 Left 2 SYMATTR Value BSC035N04LS SYMATTR InstName Q1 SYMBOL res 3072 768 R0 SYMATTR InstName R2 SYMATTR Value 2m SYMBOL cap 2608 464 M180 WINDOW 0 24 56 Left 2 WINDOW 3 24 8 Left 2 SYMATTR InstName C1 SYMATTR Value .1µ SYMBOL cap 2608 -432 M180 WINDOW 0 24 56 Left 2 WINDOW 3 24 8 Left 2 SYMATTR InstName C2 SYMATTR Value .1µ SYMBOL cap 2096 -512 R270 WINDOW 0 32 32 VTop 2 WINDOW 3 0 32 VBottom 2 SYMATTR InstName C3 SYMATTR Value 2.2µ SYMBOL cap 3072 1040 R0 SYMATTR InstName C4 SYMATTR Value 470µ SYMATTR SpiceLine Rser=60m Cpar=94u SYMBOL res 2048 624 M180 WINDOW 0 36 76 Left 2 WINDOW 3 36 40 Left 2 SYMATTR InstName R3 SYMATTR Value 1580K SYMBOL diode 2768 -544 R90 WINDOW 0 0 32 VBottom 2 WINDOW 3 32 32 VTop 2 SYMATTR InstName D1 SYMATTR Value MURS120 SYMBOL res 2272 -32 R90 WINDOW 0 0 56 VBottom 2 WINDOW 3 32 56 VTop 2 SYMATTR InstName R4 SYMATTR Value 140K SYMBOL cap 2240 -160 R90 WINDOW 0 0 32 VBottom 2 WINDOW 3 32 32 VTop 2 SYMATTR InstName C5 SYMATTR Value 3.3n SYMBOL cap 2160 128 R0 SYMATTR InstName C6 SYMATTR Value 820p SYMBOL cap 1968 128 R0 SYMATTR InstName C7 SYMATTR Value 6.8n SYMBOL res 2144 96 R90 WINDOW 0 0 56 VBottom 2 WINDOW 3 32 56 VTop 2 SYMATTR InstName R5 SYMATTR Value 2.61K SYMBOL res 2272 -288 R90 WINDOW 0 0 56 VBottom 2 WINDOW 3 32 56 VTop 2 SYMATTR InstName R6 SYMATTR Value 20K SYMBOL cap 2224 864 R90 WINDOW 0 0 32 VBottom 2 WINDOW 3 32 32 VTop 2 SYMATTR InstName C8 SYMATTR Value 4.7µ SYMBOL cap 3168 -768 M270 WINDOW 0 32 32 VTop 2 WINDOW 3 0 32 VBottom 2 SYMATTR InstName C9 SYMATTR Value 100µ SYMATTR SpiceLine Rser=50m Lser=3n Cpar=44u SYMBOL cap 2160 256 R0 SYMATTR InstName C10 SYMATTR Value 220p SYMBOL cap 1968 256 R0 WINDOW 3 24 55 Left 2 SYMATTR Value 2.2n SYMATTR InstName C11 SYMBOL res 2144 224 R90 WINDOW 0 0 56 VBottom 2 WINDOW 3 32 56 VTop 2 SYMATTR InstName R7 SYMATTR Value 23.2K SYMBOL res 2048 480 R90 WINDOW 0 0 56 VBottom 2 WINDOW 3 32 56 VTop 2 SYMATTR InstName R8 SYMATTR Value 226K SYMBOL res 2144 352 R90 WINDOW 0 0 56 VBottom 2 WINDOW 3 32 56 VTop 2 SYMATTR InstName R9 SYMATTR Value 124K SYMBOL res 2160 496 M180 WINDOW 0 36 76 Left 2 WINDOW 3 36 40 Left 2 SYMATTR InstName R10 SYMATTR Value 2Meg SYMBOL res 2784 768 M270 WINDOW 0 32 56 VTop 2 WINDOW 3 0 56 VBottom 2 SYMATTR InstName R11 SYMATTR Value 49.9 SYMBOL res 2784 896 M270 WINDOW 0 32 56 VTop 2 WINDOW 3 0 56 VBottom 2 SYMATTR InstName R12 SYMATTR Value 49.9 SYMBOL nmos 3040 -832 M180 WINDOW 0 58 63 Left 2 WINDOW 3 59 32 Left 2 SYMATTR InstName Q2 SYMATTR Value IPP040N06N3 SYMBOL nmos 3040 704 M180 WINDOW 0 65 61 Left 2 WINDOW 3 62 25 Left 2 SYMATTR InstName Q3 SYMATTR Value BSC035N04LS SYMBOL res 2160 -512 R0 SYMATTR InstName R13 SYMATTR Value 100K SYMBOL cap 2608 848 M180 WINDOW 0 24 56 Left 2 WINDOW 3 24 8 Left 2 SYMATTR InstName C12 SYMATTR Value 3.3µ SYMBOL diode 2768 352 R90 WINDOW 0 0 32 VBottom 2 WINDOW 3 32 32 VTop 2 SYMATTR InstName D2 SYMATTR Value MURS120 SYMBOL nmos 2848 -352 R0 WINDOW 3 56 61 Left 2 SYMATTR Value BSC105N10LSF SYMATTR InstName Q4 SYMBOL nmos 3040 -736 R0 WINDOW 0 61 29 Left 2 WINDOW 3 61 57 Left 2 SYMATTR InstName Q5 SYMATTR Value BSC105N10LSF SYMBOL ISO16750-2 1424 -960 R0 WINDOW 1 48 85 Left 2 SYMATTR Type iso16750-2 (modified) SYMATTR InstName U2 SYMATTR SpiceModel 4-6-4_12V_LoadDumpWithoutSuppressionTestA SYMATTR Value t0=10m Creservoir=0.005 Us=125 SYMBOL voltage 1424 -688 R0 WINDOW 123 24 138 Left 2 WINDOW 39 24 117 Left 2 SYMATTR SpiceLine Rser=50m Cpar=100p SYMATTR InstName V1 SYMATTR Value PWL(0 0 100u 14 10m 14 11m -14 21m -14 22m 14) SYMBOL ISO16750-2 1424 -816 R0 WINDOW 1 48 85 Left 2 SYMATTR Type iso16750-2 (modified) SYMATTR InstName U3 SYMATTR Value t0=10m tf=1m t6=1.5m t7=2.5m tr=5m t8=5m Us6=3.2 Us=5 SYMBOL voltage 1424 -528 R0 WINDOW 123 24 138 Left 2 WINDOW 39 24 117 Left 2 SYMATTR SpiceLine Rser=0.005 SYMATTR InstName V2 SYMATTR Value SFFM(14 1 12.5k 1.75k 10) SYMBOL res 3184 1024 R0 SYMATTR InstName Rload SYMATTR Value 3.4 SYMBOL voltage 1424 -1120 R0 WINDOW 123 0 0 Left 2 WINDOW 39 0 0 Left 2 SYMATTR InstName V3 SYMATTR Value 12 TEXT 3496 936 Right 2 !.tran 6m startup TEXT 1376 -776 Right 2 ;Engine Starting Example TEXT 1368 -920 Right 2 ;Load Dump Example TEXT 1368 -632 Right 2 ;Reverse Voltage Example TEXT 1080 -472 Left 2 ;Superimposed AC Example TEXT 2224 -1136 Bottom 2 ;LT8210 - 100V Synchronous 4-Switch Buck-Boost DC/DC Controller with Pass-Thru \nPass-Thru Regulator for Automotive Electronics Systems with 99.9% Efficiency\nInput: 3V to 100V Output: 12V @ 5A, Pass-Thru Mode from 8V to 17V TEXT 1544 1016 Left 2 ;Note:\n If the simulation model is not found please update with the "Sync Release" command from the "Tools" menu.\n It remains the customer's responsibility to verify proper and reliable operation in the actual application.\n Component substitution and printed circuit board layout may significantly affect circuit performance or reliability.\n Contact your local sales representative for assistance. This circuit is distributed to customers only for use with LTC parts.\n Copyright © 2020 Linear Technology Inc. All rights reserved.