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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 (USD) 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: $0.82 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 $0.82 $0.585 $0.526 $0.462 View Reel $0.345 $0.431 $0.412 $0.397 $0.345 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: $0.55 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 $0.55 $0.39 $0.35 $0.304 View Reel $0.229 $0.283 $0.27 $0.259 $0.229 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: $0.65 5,724In 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	5,724In Stock	Cut Tape $0.65 $0.462 $0.415 $0.362 Reel $0.293 View $0.337 $0.322 $0.31 $0.286 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: $0.91 30,764In 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	30,764In Stock	Cut Tape $0.91 $0.654 $0.59 $0.519 Reel $0.425 View $0.485 $0.464 $0.449 $0.415 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: $0.52 3,937In 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	3,937In Stock	Cut Tape $0.52 $0.363 $0.324 $0.282 Reel $0.232 View $0.262 $0.249 $0.239 $0.22 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: $0.61 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 $0.61 $0.433 $0.388 $0.338 Reel $0.268 View $0.315 $0.301 $0.289 $0.262 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: $0.38 5,293In 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	5,293In Stock 6,000Expected 12/14/2026	Cut Tape $0.38 $0.266 $0.237 $0.205 Reel $0.153 View $0.189 $0.18 $0.172 $0.148 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 High-bandwidth low- IQ programmable shun ATL432LIAIDBZR Texas Instruments 1: $0.39 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 $0.39 $0.266 $0.237 $0.204 Reel $0.155 View $0.189 $0.18 $0.172 $0.153 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: $0.56 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 $0.56 $0.392 $0.352 $0.306 Reel $0.246 View $0.284 $0.271 $0.26 $0.232 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 Low-IQ programmable shunt regulator offe ATL431LIBQDBZR Texas Instruments 1: $0.44 2,160In Stock 3,000Expected 3/11/2027	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	2,160In Stock 3,000Expected 3/11/2027	Cut Tape $0.44 $0.306 $0.273 $0.236 Reel $0.184 View $0.219 $0.208 $0.20 $0.179 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: $0.63 4,054In 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	4,054In Stock	Cut Tape $0.63 $0.443 $0.398 $0.347 Reel $0.281 View $0.323 $0.308 $0.296 $0.273 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 ATL432LIAQDBZR Texas Instruments 1: $0.43 400In 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	400In Stock	Cut Tape $0.43 $0.305 $0.271 $0.234 Reel $0.185 View $0.216 $0.205 $0.196 $0.18 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 ATL432LIBQDBZR Texas Instruments 1: $0.45 5,951In Stock	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	5,951In Stock	Cut Tape $0.45 $0.317 $0.283 $0.246 Reel $0.196 View $0.228 $0.217 $0.208 $0.184 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: $0.81 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 $0.81 $0.576 $0.519 $0.455 Reel $0.372 View $0.425 $0.406 $0.391 $0.362 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: $0.43 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 $0.43 $0.302 $0.269 $0.233 Reel $0.174 View $0.215 $0.205 $0.196 $0.169 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: $0.73 3,000Expected 2/8/2027	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 2/8/2027	Cut Tape $0.73 $0.517 $0.464 $0.406 Reel $0.33 View $0.379 $0.362 $0.348 $0.322 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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