SOT23

TLV431AFTA

IC VREF SHUNT ADJ 1% SOT23-3

TLV431AFTA is a 1.24V adjustable three-terminal shunt regulator in SOT23 package, operating from -40 to +125°C, with 1% accuracy, AEC-Q100 and RoHS compliant.Checked against the datasheet

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Technical parameters

Datasheet-verified parameters

20 items

Parameter	Value and test conditions	Source
Package	SOT23
Operating Ambient Temperature Range	-40 to +125 °C
Grade	A (1% tolerance)
RoHS Compliant	Compliant (EU Directive 2002/95/EC & 2011/65/EU)
Halogen Free	Halogen- and Antimony-free “Green” Device
Qualification	Qualified to AEC-Q100
Reference Voltage	Min: 1.228 V, Typ: 1.24 V, Max: 1.252 V (V_KA=V_REF, T_A=+25°C, TLV431A)
Recommended Cathode Voltage	Min: V_REF, Max: 18 V
Recommended Cathode Current	Min: 0.1 mA, Max: 15 mA
Absolute Maximum Cathode Voltage	20 V
Absolute Maximum Continuous Cathode Current	-20 to +20 mA
Absolute Maximum Input Supply Voltage	-0.03 to +18 V
Operating Junction Temperature	-40 to +150 °C
Storage Temperature	-65 to +150 °C
Reference Input Current	Typ: 0.15 μA, Max: 0.5 μA (R_1=10kΩ, R_2=OC)
Minimum Cathode Current for Regulation	Typ: 55 μA, Max: 80 μA (V_KA=V_REF, T_A=0 to +70°C)
Dynamic Output Impedance	Typ: 0.25 Ω, Max: 0.4 Ω (V_KA=V_REF, f<1kHz, I_K=0.1 to 15mA)
Off State Current	Typ: 0.001 μA, Max: 0.1 μA (V_KA=18V, V_REF=0V)
Typical Temperature Drift	4 mV (0°C to +70°C), 6 mV (-40°C to +85°C), 11 mV (-40°C to +125°C)
ESD Susceptibility (HBM)	4 kV

All parameters (21)ExpandCollapse

Power
Current - Cathode	100 µA
Current - Output	15 mA
Current - Supply	-
Voltage - Input	-
Voltage - Output (Max)	18 V
Voltage - Output (Min/Fixed)	1.24V
AC and DC characteristics
Noise - 0.1Hz to 10Hz	-
Noise - 10Hz to 10kHz	-
Environment and package
Mounting Type	Surface Mount
Operating Temperature	-40°C ~ 125°C (TA)
Package	Tape & Reel (TR) Cut Tape (CT) Digi-Reel®
Package / Case	TO-236-3, SC-59, SOT-23-3
Supplier Device Package	SOT-23-3
Temperature Coefficient	-
Other
Base Product Number	TLV431
Mfr	Diodes Incorporated
Output Type	Adjustable
Product Status	Active
Reference Type	Shunt
Series	-
Tolerance	±1%

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DatasheetDatasheet · 1.2 MB · 2026-10-29

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