TLV431 Status: ACTIVE

Low-Voltage Adjustable Precision Shunt Regulator

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Datasheet

Low-Voltage Adjustable Precision Shunt Regulator (Rev. T) (PDF 873 KB) 18984 views
27 Jun 2007

	TLV431	TLV431A	TLV431B
VO Adj(Min)(V)	1.24	1.24	1.24
VO Adj(Max)(V)	6	6	6
Initial Accuracy @ 25/deg C(%)	1.5	1	0.5
Temp Coeff(Max)(ppm/ degree C)	129	129
Temp Coeff(Typ)(ppm/ degree C)	39	39
Min Iz for Regulation(uA)	80	80	80
Iout/Iz(Max)(mA)	15	15	15
Pin/Package	3SOT-23, 3SOT-89, 3TO-92, 5SOT-23	3SOT-23, 3SOT-89, 3TO-92, 5SOT-23, 8SOIC	3SOT-23, 3TO-92, 3SOT-89, 5SOT-23, 6SC70
Approx. Price (US$)	0.23 \| 1ku	0.25 \| 1ku	0.32 \| 1ku
Operating Temp Range(Celsius)	-40 to 125,-40 to 85,0 to 70	-40 to 125,-40 to 85,0 to 70	-40 to 125,-40 to 85,0 to 70
Rating	Catalog	Catalog	Catalog
	Samples	Samples	Samples
	Inventory	Inventory	Inventory

Customers Who Evaluated This Product Also Evaluated

TLV431A: Low Voltage Adjustable Precision Shunt Regulator
TL431: Adjustable Precision Shunt Regulator
TPS40211: Wide Input Range Current Mode Boost Controller
TPS62050: Adjustable, 800-mA, 10V Vin, 95% Efficient Step-Down Converter in MSOP-10
TPS40210: Wide Input Range Current Mode Boost Controller

Product Information

Features

Low-Voltage Operation...V_REF = 1.24 V
Adjustable Output Voltage, V_O = V_REF to 6 V
Reference Voltage Tolerances at 25°C
- 0.5% for TLV431B
- 1% for TLV431A
- 1.5% for TLV431
Typical Temperature Drift
- 4 mV (0°C to 70°C)
- 6 mV (–40°C to 85°C)
- 11 mV (–40°C to 125°C)
Low Operational Cathode Current ...80 µA Typ
0.25- Typical Output Impedance
Ultra-Small SC-70 Package Offers 40% Smaller Footprint Than SOT-23-3
See TLVH431 and TLVH432 for
- Wider V_KA (1.24 V to 18 V) and I_K (80 mA)
- Additional SOT-89 Package
- Multiple Pinouts for SOT-23-3 and SOT-89 Packages

Description

The TLV431 is a low-voltage 3-terminal adjustable voltage reference with specified thermal stability over applicable industrial and commercial temperature ranges. Output voltage can be set to any value between V_REF (1.24 V) and 6 V with two external resistors. These devices operate from a lower voltage (1.24 V) than the widely used TL431 and TL1431 shunt-regulator references.

When used with an optocoupler, the TLV431 is an ideal voltage reference in isolated feedback circuits for 3-V to 3.3-V switching-mode power supplies. These devices have a typical output impedance of 0.25 . Active output circuitry provides a very sharp turn-on characteristic, making them excellent replacements for low-voltage Zener diodes in many applications, including on-board regulation and adjustable power supplies.

Pricing / Packaging / CAD Design Tools / Samples

				Price	Packaging			CAD Design Tools		Samples
Device	Status	Temp (^oC)	Replaced By	Price \| Quantity	Package \| Pins	Top Side Marking	Package QTY \| Package Carrier	Symbols	Footprints	Samples
TLV431CDBV	OBSOLETE	0 to 70	TLV431CDBVR	0.59 \| 1ku	SOT-23 (DBV) \| 5	View			Replaced by TLV431CDBVR
TLV431CDBVR	ACTIVE	0 to 70		0.23 \| 1ku	SOT-23 (DBV) \| 5	View	3000 \| LARGE T&R
TLV431CDBVRE4	ACTIVE	0 to 70		0.23 \| 1ku	SOT-23 (DBV) \| 5	View	3000 \| LARGE T&R
TLV431CDBVRG4	ACTIVE	0 to 70		0.23 \| 1ku	SOT-23 (DBV) \| 5	View	3000 \| LARGE T&R
TLV431CDBVT	ACTIVE	0 to 70		0.50 \| 1ku	SOT-23 (DBV) \| 5	View	250 \| SMALL T&R	Purchase Samples
TLV431CDBVTE4	ACTIVE	0 to 70		0.50 \| 1ku	SOT-23 (DBV) \| 5	View	250 \| SMALL T&R	Purchase Samples
TLV431CDBVTG4	ACTIVE	0 to 70		0.50 \| 1ku	SOT-23 (DBV) \| 5	View	250 \| SMALL T&R	Purchase Samples
TLV431CDBZR	ACTIVE	0 to 70		0.23 \| 1ku	SOT-23 (DBZ) \| 3	View	3000 \| LARGE T&R
TLV431CDBZRG4	ACTIVE	0 to 70		0.23 \| 1ku	SOT-23 (DBZ) \| 3	View	3000 \| LARGE T&R
TLV431CLP	ACTIVE	0 to 70		0.23 \| 1ku	TO-92 (LP) \| 3	View	1000 \| BULK
TLV431CLPE3	ACTIVE	0 to 70		0.23 \| 1ku	TO-92 (LP) \| 3	View	1000 \| BULK
TLV431CLPM	ACTIVE	0 to 70			TO-92 (LP) \| 3	View	2000 \| AMMO	Purchase Samples
TLV431CLPME3	ACTIVE	0 to 70			TO-92 (LP) \| 3	View	2000 \| AMMO	Purchase Samples
TLV431CLPR	ACTIVE	0 to 70		0.23 \| 1ku	TO-92 (LP) \| 3	View	2000 \| LARGE T&R	Purchase Samples
TLV431CLPRE3	ACTIVE	0 to 70		0.23 \| 1ku	TO-92 (LP) \| 3	View	2000 \| LARGE T&R	Purchase Samples
TLV431IDBV	OBSOLETE	-40 to 85	TLV431IDBVR	0.68 \| 1ku	SOT-23 (DBV) \| 5	View			Replaced by TLV431IDBVR
TLV431IDBVR	ACTIVE	-40 to 85		0.27 \| 1ku	SOT-23 (DBV) \| 5	View	3000 \| LARGE T&R
TLV431IDBVRE4	ACTIVE	-40 to 85		0.27 \| 1ku	SOT-23 (DBV) \| 5	View	3000 \| LARGE T&R
TLV431IDBVRG4	ACTIVE	-40 to 85		0.27 \| 1ku	SOT-23 (DBV) \| 5	View	3000 \| LARGE T&R
TLV431IDBVT	ACTIVE	-40 to 85		0.54 \| 1ku	SOT-23 (DBV) \| 5	View	250 \| SMALL T&R	Purchase Samples
TLV431IDBVTE4	ACTIVE	-40 to 85		0.54 \| 1ku	SOT-23 (DBV) \| 5	View	250 \| SMALL T&R	Purchase Samples
TLV431IDBVTG4	ACTIVE	-40 to 85		0.54 \| 1ku	SOT-23 (DBV) \| 5	View	250 \| SMALL T&R	Purchase Samples
TLV431IDBZR	ACTIVE	-40 to 85		0.27 \| 1ku	SOT-23 (DBZ) \| 3	View	3000 \| LARGE T&R
TLV431IDBZRG4	ACTIVE	-40 to 85		0.27 \| 1ku	SOT-23 (DBZ) \| 3	View	3000 \| LARGE T&R
TLV431ILP	ACTIVE	-40 to 85		0.27 \| 1ku	TO-92 (LP) \| 3	View	1000 \| BULK
TLV431ILPE3	ACTIVE	-40 to 85		0.27 \| 1ku	TO-92 (LP) \| 3	View	1000 \| BULK
TLV431ILPR	ACTIVE	-40 to 85		0.27 \| 1ku	TO-92 (LP) \| 3	View	2000 \| LARGE T&R	Purchase Samples
TLV431ILPRE3	ACTIVE	-40 to 85		0.27 \| 1ku	TO-92 (LP) \| 3	View	2000 \| LARGE T&R	Purchase Samples
TLV431QPK	ACTIVE	-40 to 125		0.35 \| 1ku	SOT-89 (PK) \| 3		1000 \| LARGE T&R
TLV431QPKG3	ACTIVE	-40 to 125		0.35 \| 1ku	SOT-89 (PK) \| 3		1000 \| LARGE T&R

* Suggested Resale Price per unit (USD) for BUDGETARY USE ONLY. For higher volume price quotes,prices in local currency or delivery quotes, please contact your local Texas Instruments Sales Office or Authorized Distributor.

Inventory

	TI Inventory Status		Reported Distributor Inventory
TLV431CDBV	As of 9:04 AM GMT, 03 Jul 2009		As of 9:04 AM GMT, 03 Jul 2009
	Lead Time		Region	Company	In Stock	Purchase
	Call**		Americas	DigiKey	Available
	Call**		Europe	Farnell	783
TLV431CDBVR	As of 9:04 AM GMT, 03 Jul 2009		As of 9:04 AM GMT, 03 Jul 2009
	Lead Time		Region	Company	In Stock	Purchase
	5 Weeks		Americas	Arrow	>1k
				DigiKey	>1k
				Mouser Electronics	315
				Rochester Electronics	>1k
			Europe	Avnet-SILICA	>1k
			Europe	Spoerle	>1k
TLV431CDBVRE4	As of 9:04 AM GMT, 03 Jul 2009		As of 9:04 AM GMT, 03 Jul 2009
	Lead Time		Region	Company	In Stock	Purchase
	5 Weeks		Americas	DigiKey	Available
TLV431CDBVRG4	As of 9:04 AM GMT, 03 Jul 2009		As of 9:04 AM GMT, 03 Jul 2009
	Lead Time		Region	Company	In Stock	Purchase
	5 Weeks		Americas	DigiKey	Available
TLV431CDBVT	As of 9:04 AM GMT, 03 Jul 2009		As of 9:04 AM GMT, 03 Jul 2009
	Lead Time		Region	Company	In Stock	Purchase
	6 Weeks		Americas	Avnet	750
				DigiKey	Available
				Mouser Electronics	194
				Rochester Electronics	750
			Europe	Avnet-SILICA	>1k
TLV431CDBVTE4	As of 9:04 AM GMT, 03 Jul 2009		As of 9:04 AM GMT, 03 Jul 2009
	Lead Time		Region	Company	In Stock	Purchase
	6 Weeks		Americas	DigiKey	Available
TLV431CDBVTG4	As of 9:04 AM GMT, 03 Jul 2009		As of 9:04 AM GMT, 03 Jul 2009
	Lead Time		Region	Company	In Stock	Purchase
	6 Weeks		Americas	DigiKey	Available
	6 Weeks		Europe	EBV Elektronik	750
TLV431CDBZR	As of 9:04 AM GMT, 03 Jul 2009		As of 9:04 AM GMT, 03 Jul 2009
	Lead Time		Region	Company	In Stock	Purchase
	4 Weeks		Americas	Avnet	>1k
				DigiKey	>1k
				Mouser Electronics	>1k
			Asia	WPI	>1k
TLV431CDBZRG4	As of 9:04 AM GMT, 03 Jul 2009		As of 9:04 AM GMT, 03 Jul 2009
	Lead Time		Region	Company	In Stock	Purchase
	4 Weeks		Americas	DigiKey	Available
TLV431CLP	As of 9:04 AM GMT, 03 Jul 2009		As of 9:04 AM GMT, 03 Jul 2009
	Lead Time		Region	Company	In Stock	Purchase
	4 Weeks		Americas	DigiKey	818
				Mouser Electronics	>1k
				Newark	>1k
				Rochester Electronics	>1k
			Asia	WPI	840
			Europe	Compel	>1k
TLV431CLPE3	As of 9:04 AM GMT, 03 Jul 2009		As of 9:04 AM GMT, 03 Jul 2009
	Lead Time		Region	Company	In Stock	Purchase
	4 Weeks		Americas	DigiKey	Available
			Americas	Mouser Electronics	>1k
			Europe	Avnet-SILICA	500
			Europe	Farnell	>1k
TLV431CLPM	As of 9:04 AM GMT, 03 Jul 2009		As of 9:04 AM GMT, 03 Jul 2009
	Lead Time		Region	Company	In Stock	Purchase
	6 Weeks		None Reported View Distributors
TLV431CLPME3	As of 9:04 AM GMT, 03 Jul 2009		As of 9:04 AM GMT, 03 Jul 2009
	Lead Time		Region	Company	In Stock	Purchase
	6 Weeks		None Reported View Distributors
TLV431CLPR	As of 9:04 AM GMT, 03 Jul 2009		As of 9:04 AM GMT, 03 Jul 2009
	Lead Time		Region	Company	In Stock	Purchase
	4 Weeks	Americas	DigiKey	Available
			Mouser Electronics	>1k
			Rochester Electronics	>1k
TLV431CLPRE3	As of 9:04 AM GMT, 03 Jul 2009	As of 9:04 AM GMT, 03 Jul 2009
	Lead Time	Region	Company	In Stock	Purchase
	4 Weeks	Americas	DigiKey	Available
TLV431IDBV	As of 9:04 AM GMT, 03 Jul 2009	As of 9:04 AM GMT, 03 Jul 2009
	Lead Time	Region	Company	In Stock	Purchase
	Call**	Americas	DigiKey	Available
TLV431IDBVR	As of 9:04 AM GMT, 03 Jul 2009	As of 9:04 AM GMT, 03 Jul 2009
	Lead Time	Region	Company	In Stock	Purchase
	4 Weeks	Americas	Arrow	>1k
			DigiKey	>1k
			Mouser Electronics	>1k
			Rochester Electronics	>1k
		Europe	Compel	>1k
TLV431IDBVRE4	As of 9:04 AM GMT, 03 Jul 2009	As of 9:04 AM GMT, 03 Jul 2009
	Lead Time	Region	Company	In Stock	Purchase
	4 Weeks	Americas	DigiKey	Available
TLV431IDBVRG4	As of 9:04 AM GMT, 03 Jul 2009	As of 9:04 AM GMT, 03 Jul 2009
	Lead Time	Region	Company	In Stock	Purchase
	4 Weeks	Americas	DigiKey	Available
TLV431IDBVT	As of 9:04 AM GMT, 03 Jul 2009	As of 9:04 AM GMT, 03 Jul 2009
	Lead Time	Region	Company	In Stock	Purchase
	6 Weeks	Americas	Avnet	500
			DigiKey	Available
			Mouser Electronics	202
			Rochester Electronics	>1k
		Europe	Avnet-SILICA	500
		Europe	EBV Elektronik	750
TLV431IDBVTE4	As of 9:04 AM GMT, 03 Jul 2009	As of 9:04 AM GMT, 03 Jul 2009
	Lead Time	Region	Company	In Stock	Purchase
	6 Weeks	Americas	DigiKey	Available
TLV431IDBVTG4	As of 9:04 AM GMT, 03 Jul 2009	As of 9:04 AM GMT, 03 Jul 2009
	Lead Time	Region	Company	In Stock	Purchase
	6 Weeks	Americas	DigiKey	Available
TLV431IDBZR	As of 9:04 AM GMT, 03 Jul 2009	As of 9:04 AM GMT, 03 Jul 2009
	Lead Time	Region	Company	In Stock	Purchase
	4 Weeks	Americas	Rochester Electronics	>1k
	4 Weeks	Europe	Abacus Polar	>1k
TLV431IDBZRG4	As of 9:04 AM GMT, 03 Jul 2009	As of 9:04 AM GMT, 03 Jul 2009
	Lead Time	Region	Company	In Stock	Purchase
	4 Weeks	None Reported View Distributors
TLV431ILP	As of 9:04 AM GMT, 03 Jul 2009	As of 9:04 AM GMT, 03 Jul 2009
	Lead Time	Region	Company	In Stock	Purchase
	6 Weeks	Americas	DigiKey	662
			Mouser Electronics	1k
			Rochester Electronics	>1k
TLV431ILPE3	As of 9:04 AM GMT, 03 Jul 2009	As of 9:04 AM GMT, 03 Jul 2009
	Lead Time	Region	Company	In Stock	Purchase
	6 Weeks	Americas	DigiKey	Available
			Mouser Electronics	>1k
			Newark	>1k
TLV431ILPR	As of 9:04 AM GMT, 03 Jul 2009	As of 9:04 AM GMT, 03 Jul 2009
	Lead Time	Region	Company	In Stock	Purchase
	6 Weeks	Americas	DigiKey	Available
			Mouser Electronics	673
			Newark	>1k
			Rochester Electronics	>1k
TLV431ILPRE3	As of 9:04 AM GMT, 03 Jul 2009	As of 9:04 AM GMT, 03 Jul 2009
	Lead Time	Region	Company	In Stock	Purchase
	6 Weeks	Americas	DigiKey	Available
	6 Weeks	Americas	Newark	>1k
TLV431QPK	As of 9:04 AM GMT, 03 Jul 2009	As of 9:04 AM GMT, 03 Jul 2009
	Lead Time	Region	Company	In Stock	Purchase
	6 Weeks	Americas	DigiKey	>1k
	6 Weeks	Americas	Mouser Electronics	1k
TLV431QPKG3	As of 9:04 AM GMT, 03 Jul 2009	As of 9:04 AM GMT, 03 Jul 2009
	Lead Time	Region	Company	In Stock	Purchase
	6 Weeks	Americas	DigiKey	Available
	6 Weeks	Americas	Mouser Electronics	1k
View all Distributors

** Lead time information is not available at this time. However, our information is updated daily so please check back with us soon. Please contact your preferred TI Authorized Distributor for additional information.

Quality & Lead (Pb)-Free Data

	Product Content				DPPM / MTBF / FIT Rate
Device	Eco Plan*	Lead / Ball Finish	MSL Rating / Peak Reflow	Details	Details
TLV431CDBVR	Green (RoHS & no Sb/Br)	CU NIPDAU	Level-1-260C-UNLIM	View	View
TLV431CDBVRE4	Green (RoHS & no Sb/Br)	CU NIPDAU	Level-1-260C-UNLIM	View	View
TLV431CDBVRG4	Green (RoHS & no Sb/Br)	CU NIPDAU	Level-1-260C-UNLIM	View	View
TLV431CDBVT	Green (RoHS & no Sb/Br)	CU NIPDAU	Level-1-260C-UNLIM	View	View
TLV431CDBVTE4	Green (RoHS & no Sb/Br)	CU NIPDAU	Level-1-260C-UNLIM	View	View
TLV431CDBVTG4	Green (RoHS & no Sb/Br)	CU NIPDAU	Level-1-260C-UNLIM	View	View
TLV431CDBZR	Green (RoHS & no Sb/Br)	CU NIPDAU	Level-1-260C-UNLIM	View	View
TLV431CDBZRG4	Green (RoHS & no Sb/Br)	CU NIPDAU	Level-1-260C-UNLIM	View	View
TLV431CLP	Pb-Free (RoHS)	CU SN	N/A for Pkg Type	View	View
TLV431CLPE3	Pb-Free (RoHS)	CU SN	N/A for Pkg Type	View	View
TLV431CLPM	Pb-Free (RoHS)	CU SN	N/A for Pkg Type	View	View
TLV431CLPME3	Pb-Free (RoHS)	CU SN	N/A for Pkg Type	View	View
TLV431CLPR	Pb-Free (RoHS)	CU SN	N/A for Pkg Type	View	View
TLV431CLPRE3	Pb-Free (RoHS)	CU SN	N/A for Pkg Type	View	View
TLV431IDBVR	Green (RoHS & no Sb/Br)	CU NIPDAU	Level-1-260C-UNLIM	View	View
TLV431IDBVRE4	Green (RoHS & no Sb/Br)	CU NIPDAU	Level-1-260C-UNLIM	View	View
TLV431IDBVRG4	Green (RoHS & no Sb/Br)	CU NIPDAU	Level-1-260C-UNLIM	View	View
TLV431IDBVT	Green (RoHS & no Sb/Br)	CU NIPDAU	Level-1-260C-UNLIM	View	View
TLV431IDBVTE4	Green (RoHS & no Sb/Br)	CU NIPDAU	Level-1-260C-UNLIM	View	View
TLV431IDBVTG4	Green (RoHS & no Sb/Br)	CU NIPDAU	Level-1-260C-UNLIM	View	View
TLV431IDBZR	Green (RoHS & no Sb/Br)	CU NIPDAU	Level-1-260C-UNLIM	View	View
TLV431IDBZRG4	Green (RoHS & no Sb/Br)	CU NIPDAU	Level-1-260C-UNLIM	View	View
TLV431ILP	Pb-Free (RoHS)	CU SN	N/A for Pkg Type	View	View
TLV431ILPE3	Pb-Free (RoHS)	CU SN	N/A for Pkg Type	View	View
TLV431ILPR	Pb-Free (RoHS)	CU SN	N/A for Pkg Type	View	View
TLV431ILPRE3	Pb-Free (RoHS)	CU SN	N/A for Pkg Type	View	View
TLV431QPK	Green (RoHS & no Sb/Br)	CU SN	Level-2-260C-1 YEAR	View	View
TLV431QPKG3	Green (RoHS & no Sb/Br)	CU SN	Level-2-260C-1 YEAR	View	View

* The planned eco-friendly classification: Pb-Free (RoHS) or Pb-Free (RoHS Exempt) or Green (RoHS & no Sb/Br) - please click on the Product Content Details "View" link in the table above for the latest availability information and additional product content details.

If the information you are requesting is not available online at this time, contact one of our Product Information Centers regarding the availability of this information.

Technical Documents

Most useful technical documents for TLV431

Simulation Models

PSpice Model
- TLV431 PSpice Model (ZIP 159 KB) 331 views
  27 Jan 2009

More Literature

SLL Precision Reference Product Clip (PDF 831 KB) 1194 views
23 Feb 2006

Reference Designs

Description	Part #	Company
Active Clamp Forward Reference Design	PMP368	Texas Instruments

Part #	Name	Product Family	Comments
TLVH431	Low-Voltage Adjustable Precision Shunt Regulator		The device has the SAME FUNCTIONALITY and PINOUT as the compared device but is NOT an exact equivalent. It offers a wider range for Vout (18V max) and Iz (80mA max).
TLVH432	Low-Voltage Adjustable Precision Shunt Regulator		The device has the SAME FUNCTIONALITY and PINOUT as the compared device but is NOT an exact equivalent. It offers a wider range for Vout (18V max) and Iz (80mA max), as well as different pinouts for SOT23-3 & SOT-89 packages.
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TL431	Adjustable Precision Shunt Regulator		TI customers also evaluated this product.
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TPS65053	5-Channel Power Mgmt IC with two step down converters and 3 low-input voltage LDOs	POWER MANAGEMENT MULTI-CHANNEL IC (PMIC) SOLUTIONS-PMIC SOLUTIONS WITH AND WITHOUT BATTERY CHARGER	TI customers also evaluated this product.
TPS62290	2.25MHz 1A Step-Down Converter in 2x2mm SON Package	DC/DC CONVERTERS (INTEGRATED SWITCH)-STEP-DOWN REGULATORS	TI customers also evaluated this product.
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TPS79633	Single Output LDO, 1.0A, Fixed(3.3V), Low Noise, High PSRR	LINEAR REGULATORS-SINGLE CHANNEL LDO	TI customers also evaluated this product.
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TPS5410	5.5V to 36V, 1A, 500kHz Step Down SWIFT ™ Converter	DC/DC CONVERTERS (INTEGRATED SWITCH)-STEP-DOWN REGULATORS	TI customers also evaluated this product.
TPS78601	Single Output LDO, 1.5A, Adj.(1.2 to 5.5V), Low Noise, High PSRR	LINEAR REGULATORS-SINGLE CHANNEL LDO	TI customers also evaluated this product.

TLV431 Status: ACTIVE

Low-Voltage Adjustable Precision Shunt Regulator

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Datasheet

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