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ATL43xLI/ATL43xLI-Q1 Programmable Shunt Regulator

TTexas Instruments ATL43xLI/ATL43xLI-Q1 Programmable Shunt Regulator is a three-terminal adjustable shunt regulator with specified thermal stability over applicable automotive, commercial, and military temperature ranges. The output voltage can be set to any value between Vref (approximately 2.5V) and 36V, with two external resistors. These devices have a typical output impedance of 0.3Ω. Active output circuitry provides a very sharp turn-on characteristic, making these devices excellent replacements for Zener diodes in many applications. These applications include onboard regulation, adjustable power and switching power supplies. This device is a pin-to-pin alternative to the TL431LI and TL432LI, with a lower minimum operating current to help reduce system power consumption.

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Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (CLP) Filter the results in the table by unit price based on your quantity.	Qty.	Mounting Style	Package / Case	Reference Type	Output Voltage	Initial Accuracy	Temperature Coefficient	Series VREF - Input Voltage - Max	Shunt Current - Max	Minimum Operating Temperature	Maximum Operating Temperature	Series	Packaging
Voltage References Automotive high-ban dwidth low-IQ progr ATL431LIAQDBZRQ1 Texas Instruments 1: $934 45.116In Stock	Mfr. Part # ATL431LIAQDBZRQ1 Mouser Part # 595-ATL431LIAQDBZRQ1	Texas Instruments	Voltage References Automotive high-ban dwidth low-IQ progr Learn More about Texas Instruments ti atl43xli shunt regulators	Datasheet	45.116In Stock	Cut Tape $934 $666 $599 $526 Reel $401 View $491 $469 $452 $394 MouseReel Available	Min.: 1 Mult.: 1 : 3.000	SMD/SMT	SOT-23-3	Shunt Adjustable Precision References	2.5 V to 36 V	1 %	66 PPM / C	36 V	15 mA	- 40 C	+ 125 C	ATL431LI	Reel, Cut Tape, MouseReel
Voltage References Low-IQ programmable shunt regulator offe ATL431LIAIDQNR Texas Instruments 1: $627 5.652In Stock	Mfr. Part # ATL431LIAIDQNR Mouser Part # 595-ATL431LIAIDQNR	Texas Instruments	Voltage References Low-IQ programmable shunt regulator offe Learn More about Texas Instruments ti atl43xli shunt regulators	Datasheet	5.652In Stock	Cut Tape $627 $444 $399 $346 Reel $261 View $322 $308 $295 $259 MouseReel Available	Min.: 1 Mult.: 1 : 3.000	SMD/SMT	X2SON-4	Shunt Adjustable Precision References	2.5 V to 36 V	1 %	66 PPM / C	36 V	15 mA	- 40 C	+ 85 C	ATL431LI	Reel, Cut Tape, MouseReel
Voltage References Low-IQ programmable shunt regulator offe ATL431LIBIDQNR Texas Instruments 1: $741 5.712In Stock	Mfr. Part # ATL431LIBIDQNR Mouser Part # 595-ATL431LIBIDQNR	Texas Instruments	Voltage References Low-IQ programmable shunt regulator offe Learn More about Texas Instruments ti atl43xli shunt regulators	Datasheet	5.712In Stock	Cut Tape $741 $526 $473 $412 Reel $334 View $384 $367 $353 $326 MouseReel Available	Min.: 1 Mult.: 1 : 3.000	SMD/SMT	X2SON-4	Shunt Adjustable Precision References	2.5 V to 36 V	0.5 %	66 PPM / C	36 V	15 mA	- 40 C	+ 85 C	ATL431LI	Reel, Cut Tape, MouseReel
Voltage References Automotive high-ban dwidth low-IQ progr ATL431LIBQDBZRQ1 Texas Instruments 1: $1.037 29.714In Stock	Mfr. Part # ATL431LIBQDBZRQ1 Mouser Part # 595-ATL431LIBQDBZRQ1	Texas Instruments	Voltage References Automotive high-ban dwidth low-IQ progr Learn More about Texas Instruments ti atl43xli shunt regulators	Datasheet	29.714In Stock	Cut Tape $1.037 $745 $672 $591 Reel $484 View $553 $529 $512 $473 MouseReel Available	Min.: 1 Mult.: 1 : 3.000	SMD/SMT	SOT-23-3	Shunt Adjustable Precision References	2.5 V to 36 V	0.5 %	66 PPM / C	36 V	15 mA	- 40 C	+ 125 C	ATL431LI	Reel, Cut Tape, MouseReel
Voltage References Low-IQ programmable shunt regulator offe ATL431LIAQDBZR Texas Instruments 1: $592 3.889In Stock	Mfr. Part # ATL431LIAQDBZR Mouser Part # 595-ATL431LIAQDBZR	Texas Instruments	Voltage References Low-IQ programmable shunt regulator offe Learn More about Texas Instruments ti atl43xli shunt regulators	Datasheet	3.889In Stock	Cut Tape $592 $414 $369 $321 Reel $264 View $298 $284 $272 $251 MouseReel Available	Min.: 1 Mult.: 1 : 3.000	SMD/SMT	SOT-23-3	Shunt Adjustable Precision References	2.5 V to 36 V	1 %	92 PPM / C	36 V	15 mA	- 40 C	+ 125 C	ATL431LI	Reel, Cut Tape, MouseReel
Voltage References Low-IQ programmable shunt regulator offe ATL431LIAQDQNR Texas Instruments 1: $695 2.920In Stock	Mfr. Part # ATL431LIAQDQNR Mouser Part # 595-ATL431LIAQDQNR	Texas Instruments	Voltage References Low-IQ programmable shunt regulator offe Learn More about Texas Instruments ti atl43xli shunt regulators	Datasheet	2.920In Stock	Cut Tape $695 $493 $442 $385 Reel $305 View $359 $343 $329 $298 MouseReel Available	Min.: 1 Mult.: 1 : 3.000	SMD/SMT	X2SON-4	Shunt Adjustable Precision References	2.5 V to 36 V	1 %	66 PPM / C	36 V	15 mA	- 40 C	+ 125 C	ATL431LI	Reel, Cut Tape, MouseReel
Voltage References Low-IQ programmable shunt regulator offe ATL431LIBIDBZR Texas Instruments 1: $467 1.792In Stock 6.000Expected 12/14/2026	Mfr. Part # ATL431LIBIDBZR Mouser Part # 595-ATL431LIBIDBZR	Texas Instruments	Voltage References Low-IQ programmable shunt regulator offe Learn More about Texas Instruments ti atl43xli shunt regulators	Datasheet	1.792In Stock 6.000Expected 12/14/2026	Cut Tape $467 $324 $289 $251 Reel $198 View $231 $220 $211 $189 MouseReel Available	Min.: 1 Mult.: 1 : 3.000	SMD/SMT	SOT-23-3	Shunt Adjustable Precision References	2.5 V to 36 V	0.5 %	92 PPM / C	36 V	15 mA	- 40 C	+ 125 C	ATL431LI	Reel, Cut Tape, MouseReel
Voltage References Low-IQ programmable shunt regulator offe ATL431LIBQDBZR Texas Instruments 1: $535 2.172In Stock 3.000Expected 3/8/2027	Mfr. Part # ATL431LIBQDBZR Mouser Part # 595-ATL431LIBQDBZR	Texas Instruments	Voltage References Low-IQ programmable shunt regulator offe Learn More about Texas Instruments ti atl43xli shunt regulators	Datasheet	2.172In Stock 3.000Expected 3/8/2027	Cut Tape $535 $367 $327 $284 Reel $221 View $263 $261 $212 MouseReel Available	Min.: 1 Mult.: 1 : 3.000	SMD/SMT	SOT-23-3	Shunt Adjustable Precision References	2.5 V to 36 V	0.5 %	92 PPM / C	36 V	15 mA	- 40 C	+ 125 C	ATL431LI	Reel, Cut Tape, MouseReel
Voltage References Low-IQ programmable shunt regulator offe ATL431LIBQDQNR Texas Instruments 1: $763 4.010In Stock	Mfr. Part # ATL431LIBQDQNR Mouser Part # 595-ATL431LIBQDQNR	Texas Instruments	Voltage References Low-IQ programmable shunt regulator offe Learn More about Texas Instruments ti atl43xli shunt regulators	Datasheet	4.010In Stock	Cut Tape $763 $535 $481 $419 Reel $374 View $391 $374 $328 MouseReel Available	Min.: 1 Mult.: 1 : 3.000	SMD/SMT	X2SON-4	Shunt Adjustable Precision References	2.5 V to 36 V	0.5 %	66 PPM / C	36 V	15 mA	- 40 C	+ 125 C	ATL431LI	Reel, Cut Tape, MouseReel
Voltage References High-bandwidth low- IQ programmable shun ATL432LIAIDBZR Texas Instruments 1: $467 1.500In Stock	Mfr. Part # ATL432LIAIDBZR Mouser Part # 595-ATL432LIAIDBZR	Texas Instruments	Voltage References High-bandwidth low- IQ programmable shun Learn More about Texas Instruments ti atl43xli shunt regulators	Datasheet	1.500In Stock	Cut Tape $467 $317 $283 $244 Reel $177 View $226 $215 $206 $174 MouseReel Available	Min.: 1 Mult.: 1 : 3.000	SMD/SMT	SOT-23-3	Shunt Adjustable Precision References	2.5 V to 36 V	1 %	92 PPM / C	36 V	100 mA	- 40 C	+ 125 C	ATL432LI	Reel, Cut Tape, MouseReel
Voltage References High-bandwidth low- IQ programmable shun ATL432LIAQDBZR Texas Instruments 1: $535 50In Stock	Mfr. Part # ATL432LIAQDBZR Mouser Part # 595-ATL432LIAQDBZR	Texas Instruments	Voltage References High-bandwidth low- IQ programmable shun Learn More about Texas Instruments ti atl43xli shunt regulators	Datasheet	50In Stock	Cut Tape $535 $378 $338 $277 View Reel $211 $272 $260 $248 $211 MouseReel Available	Min.: 1 Mult.: 1 : 3.000	SMD/SMT	SOT-23-3	Shunt Adjustable Precision References	2.5 V to 36 V	1 %	92 PPM / C	36 V	100 mA	- 40 C	+ 125 C	ATL432LI	Reel, Cut Tape, MouseReel
Voltage References High-bandwidth low- IQ programmable shun ATL432LIBIDBZR Texas Instruments 1: $638 1.743In Stock	Mfr. Part # ATL432LIBIDBZR Mouser Part # 595-ATL432LIBIDBZR	Texas Instruments	Voltage References High-bandwidth low- IQ programmable shun Learn More about Texas Instruments ti atl43xli shunt regulators	Datasheet	1.743In Stock	Cut Tape $638 $447 $401 $349 Reel $280 View $324 $309 $296 $264 MouseReel Available	Min.: 1 Mult.: 1 : 3.000	SMD/SMT	SOT-23-3	Shunt Adjustable Precision References	2.5 V to 36 V	0.5 %	92 PPM / C	36 V	100 mA	- 40 C	+ 125 C	ATL432LI	Reel, Cut Tape, MouseReel
Voltage References High-bandwidth low- IQ programmable shun ATL432LIBQDBZR Texas Instruments 1: $513 76In Stock 3.000Expected 3/8/2027	Mfr. Part # ATL432LIBQDBZR Mouser Part # 595-ATL432LIBQDBZR	Texas Instruments	Voltage References High-bandwidth low- IQ programmable shun Learn More about Texas Instruments ti atl43xli shunt regulators	Datasheet	76In Stock 3.000Expected 3/8/2027	Cut Tape $513 $361 $322 $280 Reel $223 View $260 $247 $237 $210 MouseReel Available	Min.: 1 Mult.: 1 : 3.000	SMD/SMT	SOT-23-3	Shunt Adjustable Precision References	2.5 V to 36 V	0.5 %	92 PPM / C	36 V	100 mA	- 40 C	+ 125 C	ATL432LI	Reel, Cut Tape, MouseReel
Voltage References Automotive high-ban dwidth low-IQ progr ATL432LIBQDBZRQ1 Texas Instruments 1: $1.037 139In Stock 6.000Expected 12/31/2026	Mfr. Part # ATL432LIBQDBZRQ1 Mouser Part # 595-ATL432LIBQDBZRQ1	Texas Instruments	Voltage References Automotive high-ban dwidth low-IQ progr Learn More about Texas Instruments ti atl43xli shunt regulators	Datasheet	139In Stock 6.000Expected 12/31/2026	Cut Tape $1.037 $745 $672 $603 View Reel $485 $553 $529 $512 $485 MouseReel Available	Min.: 1 Mult.: 1 : 3.000	SMD/SMT	SOT-23-3	Shunt Adjustable Precision References	2.5 V to 36 V	0.5 %	66 PPM / C	36 V	15 mA	- 40 C	+ 125 C	ATL432LI	Reel, Cut Tape, MouseReel
Voltage References Low-IQ programmable shunt regulator offe ATL431LIAIDBZR Texas Instruments 1: $558 1In Stock 6.000Expected 12/17/2026	Mfr. Part # ATL431LIAIDBZR Mouser Part # 595-ATL431LIAIDBZR	Texas Instruments	Voltage References Low-IQ programmable shunt regulator offe Learn More about Texas Instruments ti atl43xli shunt regulators	Datasheet	1In Stock 6.000Expected 12/17/2026	Cut Tape $558 $384 $343 $296 Reel $221 View $275 $261 $250 $210 MouseReel Available	Min.: 1 Mult.: 1 : 3.000	SMD/SMT	SOT-23-3	Shunt Adjustable Precision References	2.5 V to 36 V	1 %	92 PPM / C	36 V	15 mA	- 40 C	+ 125 C	ATL431LI	Reel, Cut Tape, MouseReel
Voltage References Automotive high-ban dwidth low-IQ progr ATL432LIAQDBZRQ1 Texas Instruments 1: $934 3.000Expected 12/21/2026	Mfr. Part # ATL432LIAQDBZRQ1 Mouser Part # 595-ATL432LIAQDBZRQ1	Texas Instruments	Voltage References Automotive high-ban dwidth low-IQ progr Learn More about Texas Instruments ti atl43xli shunt regulators	Datasheet	3.000Expected 12/21/2026	Cut Tape $934 $666 $599 $526 View Reel $431 $491 $469 $452 $431 MouseReel Available	Min.: 1 Mult.: 1 : 3.000	SMD/SMT	SOT-23-3	Shunt Adjustable Precision References	2.5 V to 36 V	1 %	66 PPM / C	36 V	15 mA	- 40 C	+ 125 C	ATL432LI	Reel, Cut Tape, MouseReel

ATL43xLI/ATL43xLI-Q1 Programmable Shunt Regulator

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ATL43xLI/ATL43xLI-Q1 Programmable Shunt Regulator

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