TL431ACLPX

TL431ACLPX Datasheet

TL431/TL431A

Part	Datasheet
TL431ACLPX	TL431ACLPX (pdf)

Related Parts	Information
TL431CLPX	TL431CLPX
TL431CD	TL431CD
TL431ACD	TL431ACD
TL431ACZ	TL431ACZ

PDF Datasheet Preview
TL431/TL431A Programmable Shunt Regulator • Programmable Output Voltage to 36 Volts • Low Dynamic Output Impedance Typical • Sink Current Capability of to 100mA • Equivalent Full-Range Temperature Coefficient of 50ppm/°C Typical • Temperature Compensated For Operation Over Full Rated Operating Temperature Range • Low Output Noise Voltage • Fast Turn-on Response The TL431/TL431A are three-terminal adjustable regulator series with a guaranteed thermal stability over applicable temperature ranges. The output voltage may be set to any value between VREF approximately volts and 36 volts with two external resistors These devices have a typical dynamic output impedance of Active output circuitry provides a very sharp turn-on characteristic, making these devices excel lent replacement for zener diodes in many applications. TO-92 1 Ref Anode Cathode 8-DIP 1.Cathode 2.3.4.5.7.NC 6.Anode 8.Ref 8-SOP 1 Cathode Anode Ref NC 2011 Fairchild Semiconductor Corporation TL431/TL431A Internal Block Diagram Absolute Maximum Ratings Operating temperature range applies unless otherwise specified. Parameter Cathode Voltage Cathode Current Range Continuous Reference Input Current Range Power Dissipation D, LP Suffix Package P Suffix Package Operating Temperature Range Junction Temperature Storage Temperature Range Symbol VKA IKA IREF TOPR TJ TSTG Value 37 -100 ~ +150 ~ +10 770 1000 -25 ~ +85 150 -65 ~ +150 Recommended Operating Conditions Parameter Cathode Voltage Cathode Current VREF Max 36 100 Unit V mA mW °C °C °C Unit V mA TL431/TL431A Electrical Characteristics TA = +25°C, unless otherwise specified Parameter Reference Input Voltage Deviation of Reference Input Voltage OverTemperature Note 1 Ratio of Change in Reference Input Voltage to the Change in Cathode Voltage Reference Input Current Deviation of Reference Input Current Over Full Temperature Range Minimum Cathode Current for Regulation Off - Stage Cathode Current Dynamic Impedance Note 2 Conditions VREF VKA=VREF, IKA=10mA Ordering Information Product Number TL431ACLP TL431ACD TL431CLP TL431CP TL431CD Output Voltage Tolerance 1% Package TO-92 8-SOP TO-92 8-DIP 8-SOP Operating Temperature -25 ~ + 85oC DISCLAIMER FAIRCHILD SEMICONDUCTOR RESERVES THE RIGHT TO MAKE CHANGES WITHOUT FURTHER NOTICE TO ANY PRODUCTS HEREIN TO IMPROVE RELIABILITY, FUNCTION OR DESIGN. FAIRCHILD DOES NOT ASSUME ANY LIABILITY ARISING OUT OF THE APPLICATION OR USE OF ANY PRODUCT OR CIRCUIT DESCRIBED HEREIN NEITHER DOES IT CONVEY ANY LICENSE UNDER ITS PATENT RIGHTS, NOR THE RIGHTS OF OTHERS. LIFE SUPPORT POLICY FAIRCHILD’S PRODUCTS ARE NOT AUTHORIZED FOR USE AS CRITICAL COMPONENTS IN LIFE SUPPORT DEVICES OR SYSTEMS WITHOUT THE EXPRESS WRITTEN APPROVAL OF THE PRESIDENT OF FAIRCHILD SEMICONDUCTOR CORPORATION. As used herein: Life support devices or systems are devices or systems which, a are intended for surgical implant into the body, or b support or sustain life, and c whose failure to perform when properly used in accordance with instructions for use provided in the labeling, can be reasonably expected to result in a significant injury of the user. A critical component in any component of a life support device or system whose failure to perform can be reasonably expected to cause the failure of the life support device or system, or to affect its safety or effectiveness. 2/22/11 0.0m 001 Stock#DS400301 2011 Fairchild Semiconductor Corporation

PDF Datasheet Preview

TL431/TL431A

Programmable Shunt Regulator
• Programmable Output Voltage to 36 Volts
• Low Dynamic Output Impedance Typical
• Sink Current Capability of to 100mA
• Equivalent Full-Range Temperature Coefficient of
50ppm/°C Typical
• Temperature Compensated For Operation Over Full Rated

Operating Temperature Range
• Low Output Noise Voltage
• Fast Turn-on Response

The TL431/TL431A are three-terminal adjustable regulator series with a guaranteed thermal stability over applicable temperature ranges. The output voltage may be set to any value between VREF approximately volts and 36 volts with two external resistors These devices have a typical dynamic output impedance of Active output circuitry provides a very sharp turn-on characteristic, making these devices excel lent replacement for zener diodes in many applications.

TO-92
1 Ref Anode Cathode
8-DIP
1.Cathode 2.3.4.5.7.NC 6.Anode 8.Ref
8-SOP
1 Cathode Anode Ref NC
2011 Fairchild Semiconductor Corporation

TL431/TL431A

Internal Block Diagram

Absolute Maximum Ratings

Operating temperature range applies unless otherwise specified.

Parameter Cathode Voltage Cathode Current Range Continuous Reference Input Current Range Power Dissipation D, LP Suffix Package P Suffix Package Operating Temperature Range Junction Temperature Storage Temperature Range

Symbol VKA IKA IREF

TOPR TJ

TSTG

Value 37
-100 ~ +150 ~ +10
770 1000 -25 ~ +85 150 -65 ~ +150

Recommended Operating Conditions

Parameter Cathode Voltage Cathode Current

VREF

Max 36 100

Unit V mA
mW °C °C °C

Unit V mA

TL431/TL431A

Electrical Characteristics

TA = +25°C, unless otherwise specified

Parameter

Reference Input Voltage Deviation of Reference Input Voltage OverTemperature Note 1 Ratio of Change in Reference Input Voltage to the Change in Cathode Voltage

Reference Input Current

Deviation of Reference Input Current Over Full Temperature Range Minimum Cathode Current for Regulation Off - Stage Cathode Current

Dynamic Impedance Note 2

Conditions

VREF VKA=VREF, IKA=10mA
Ordering Information

Product Number TL431ACLP TL431ACD TL431CLP TL431CP TL431CD

Output Voltage Tolerance 1%

Package TO-92 8-SOP TO-92 8-DIP 8-SOP

Operating Temperature -25 ~ + 85oC

DISCLAIMER

FAIRCHILD SEMICONDUCTOR RESERVES THE RIGHT TO MAKE CHANGES WITHOUT FURTHER NOTICE TO ANY PRODUCTS HEREIN TO IMPROVE RELIABILITY, FUNCTION OR DESIGN. FAIRCHILD DOES NOT ASSUME ANY LIABILITY ARISING OUT OF THE APPLICATION OR USE OF ANY PRODUCT OR CIRCUIT DESCRIBED HEREIN NEITHER DOES IT CONVEY ANY LICENSE UNDER ITS PATENT RIGHTS, NOR THE RIGHTS OF OTHERS.

LIFE SUPPORT POLICY

FAIRCHILD’S PRODUCTS ARE NOT AUTHORIZED FOR USE AS CRITICAL COMPONENTS IN LIFE SUPPORT DEVICES OR SYSTEMS WITHOUT THE EXPRESS WRITTEN APPROVAL OF THE PRESIDENT OF FAIRCHILD SEMICONDUCTOR CORPORATION. As used herein:

Life support devices or systems are devices or systems which, a are intended for surgical implant into the body, or b support or sustain life, and c whose failure to perform when properly used in accordance with instructions for use provided in the labeling, can be reasonably expected to result in a significant injury of the user.

A critical component in any component of a life support device or system whose failure to perform can be reasonably expected to cause the failure of the life support device or system, or to affect its safety or effectiveness.
2/22/11 0.0m 001 Stock#DS400301 2011 Fairchild Semiconductor Corporation

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Datasheet ID: TL431ACLPX 634795