Version 4 SHEET 1 1988 876 WIRE 1056 -352 1040 -352 WIRE 1136 -352 1120 -352 WIRE 1248 -352 1136 -352 WIRE 1392 -352 1312 -352 WIRE 1136 -304 1136 -352 WIRE 528 -272 432 -272 WIRE 624 -272 528 -272 WIRE 928 -272 624 -272 WIRE 1392 -272 1392 -352 WIRE 1392 -272 1344 -272 WIRE 432 -256 432 -272 WIRE 528 -256 528 -272 WIRE 928 -192 624 -192 WIRE 1392 -192 1392 -208 WIRE 1392 -192 1344 -192 WIRE 1456 -192 1392 -192 WIRE 1568 -192 1536 -192 WIRE 1616 -192 1568 -192 WIRE 1680 -192 1616 -192 WIRE 1616 -176 1616 -192 WIRE 432 -160 432 -176 WIRE 528 -160 528 -192 WIRE 736 -112 720 -112 WIRE 816 -112 800 -112 WIRE 928 -112 816 -112 WIRE 1392 -112 1344 -112 WIRE 1568 -112 1568 -192 WIRE 1568 -112 1392 -112 WIRE 624 -96 624 -112 WIRE 1616 -96 1616 -112 WIRE 816 -32 816 -112 WIRE 832 -32 816 -32 WIRE 928 -32 912 -32 WIRE 1392 -32 1344 -32 WIRE 1472 -32 1392 -32 WIRE 1568 -32 1552 -32 WIRE 720 48 704 48 WIRE 928 48 800 48 WIRE 1680 48 1680 -192 WIRE 1680 48 1344 48 WIRE 816 128 816 -32 WIRE 832 128 816 128 WIRE 928 128 912 128 WIRE 1680 128 1344 128 WIRE 1680 192 1680 128 WIRE 928 208 912 208 WIRE 1632 208 1344 208 WIRE 848 288 816 288 WIRE 928 288 912 288 WIRE 1360 288 1344 288 WIRE 1680 304 1680 288 WIRE 832 368 816 368 WIRE 928 368 912 368 WIRE 1360 368 1344 368 WIRE 1680 384 1680 368 WIRE 1072 416 1072 400 WIRE 1216 416 1216 400 WIRE 1072 512 1072 496 WIRE 1216 512 1216 496 WIRE 1216 592 1216 576 FLAG 432 -160 0 FLAG 912 208 0 FLAG 1360 368 0 FLAG 1040 -352 0 FLAG 816 288 0 FLAG 816 368 0 FLAG 1072 512 0 FLAG 1616 -96 0 FLAG 1680 384 0 FLAG 1680 -192 OUT FLAG 1568 -32 0 FLAG 720 -112 0 FLAG 624 -96 0 FLAG 528 -160 0 FLAG 432 -272 IN FLAG 704 48 0 FLAG 1216 592 0 SYMBOL voltage 432 -272 R0 WINDOW 123 24 138 Left 2 WINDOW 39 24 117 Left 2 SYMATTR InstName V1 SYMATTR Value 18 SYMBOL cap 912 272 R90 WINDOW 0 0 32 VBottom 2 WINDOW 3 32 32 VTop 2 SYMATTR InstName C1 SYMATTR Value 1000p SYMBOL res 928 352 R90 WINDOW 0 0 56 VBottom 2 WINDOW 3 32 56 VTop 2 SYMATTR InstName R1 SYMATTR Value 169K SYMBOL res 1056 400 R0 SYMATTR InstName R2 SYMATTR Value 45.3K SYMBOL cap 1056 -336 R270 WINDOW 0 32 32 VTop 2 WINDOW 3 0 32 VBottom 2 SYMATTR InstName C2 SYMATTR Value 10µ SYMBOL cap 1376 -272 R0 SYMATTR InstName C3 SYMATTR Value 2200p SYMBOL ind 1440 -176 R270 WINDOW 0 32 56 VTop 2 WINDOW 3 5 56 VBottom 2 SYMATTR InstName L1 SYMATTR Value 1.2µ SYMATTR Value2 Rser=10m SYMBOL cap 1600 -176 R0 SYMATTR InstName C4 SYMATTR Value 4.7µ SYMBOL res 1664 32 R0 SYMATTR InstName R3 SYMATTR Value 100m SYMBOL LED 1664 304 R0 WINDOW 123 23 66 Left 2 WINDOW 3 84 36 Left 2 SYMATTR Value2 n=2 SYMATTR Value LUW-W5AP SYMATTR InstName D1 SYMATTR Description Diode SYMATTR Type diode SYMBOL pmos 1632 288 M180 WINDOW 0 55 64 Left 2 WINDOW 3 52 31 Left 2 SYMATTR InstName Q1 SYMATTR Value Si7143DP SYMBOL res 1376 -128 R0 SYMATTR InstName R4 SYMATTR Value 69.8K SYMBOL res 1568 -48 R90 WINDOW 0 0 56 VBottom 2 WINDOW 3 32 56 VTop 2 SYMATTR InstName R5 SYMATTR Value 10K SYMBOL PowerProducts\\LT3932 1136 48 R0 SYMATTR InstName U1 SYMBOL schottky 1248 -336 R270 WINDOW 0 32 32 VTop 2 WINDOW 3 0 32 VBottom 2 SYMATTR InstName D2 SYMATTR Value BAT46WJ SYMATTR Description Diode SYMATTR Type diode SYMBOL res 816 144 R270 WINDOW 0 32 56 VTop 2 WINDOW 3 0 56 VBottom 2 SYMATTR InstName R6 SYMATTR Value 100K SYMBOL cap 800 -128 R90 WINDOW 0 0 32 VBottom 2 WINDOW 3 32 32 VTop 2 SYMATTR InstName C5 SYMATTR Value 2.2µ SYMBOL res 608 -288 R0 SYMATTR InstName R7 SYMATTR Value 232K SYMBOL res 608 -96 M180 WINDOW 0 36 76 Left 2 WINDOW 3 36 40 Left 2 SYMATTR InstName R8 SYMATTR Value 34K SYMBOL cap 512 -256 R0 SYMATTR InstName C6 SYMATTR Value 4.7µ SYMBOL res 816 -16 R270 WINDOW 0 32 56 VTop 2 WINDOW 3 0 56 VBottom 2 SYMATTR InstName R9 SYMATTR Value 100K SYMBOL voltage 816 48 M270 WINDOW 0 32 56 VTop 2 WINDOW 3 -32 56 VBottom 2 WINDOW 123 -74 56 VBottom 2 WINDOW 39 -53 56 VBottom 2 SYMATTR InstName V2 SYMATTR Value 2 SYMBOL res 1200 400 R0 SYMATTR InstName R10 SYMATTR Value 10K SYMBOL cap 1200 512 R0 SYMATTR InstName C7 SYMATTR Value 150p TEXT 1408 440 Left 2 !.tran .5m startup TEXT 1104 -408 Bottom 2 ;LT3932 - 36V, 2A Synchronous Step-Down LED Driver\n\nLow EMI, High Efficiency Step-Down LED Driver\nInput: 9V to 36V Output: 6.5V LED @ 1A TEXT 560 608 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 ADI parts.\n Copyright © 2018 Analog Devices. All rights reserved.