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Datasheet Diodes TL431ASA-7

Manufacturer:Diodes
Series:TL431 / TL432
Part Number:TL431ASA-7

Adjustable Precision Shunt Regulator

Datasheets

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    TL431/TL432
    ADJUSTABLE PRECISION SHUNT REGULATOR Description
    The TL431 and TL432 are three terminal adjustable shunt regulators offering excellent temperature stability and output current handling capability up to 100mA. The output voltage may be set to any chosen voltage between 2.5 and 36 volts by selection of two external divider resistors. The devices can be used as a replacement for zener diodes in many applications requiring an improvement in zener performance. Diodes' TL431 has the same electrical specifications as the industry standard `431 and is available in 2 grades with initial tolerances of 1% and 0.5% for the A and B grades respectively. Pin Assignments TL431
    (Top View) CATHODE 1 3 ANODE REF 2 SOT23 (Top View) NC 5 ANODE Features Temperature range -40 to +125C Reference Voltage Tolerance at 25C TL431A: 2.495V 1.0% TL431B: 2.495V 0.5% Low Output Noise 0.2 Typical Output Impedance Sink Current Capability: 1mA to 100mA Adjustable Output Voltage: VREF to 36V All devices are: Totally Lead-Free & Fully RoHS compliant (Notes 1 & 2) Halogen and Antimony Free. "Green" Device (Note 3) Leave floating or 2 connect to pin 5 CATHODE 3 SOT25
    (Top View) CATHODE 1 ANODE 2 ANODE 3 NC 4 SO-8 8 REF 7 ANODE 6 ANODE 5 NC 4 REF SO-8 is a future product Applications Opto-Coupler Linearisers Shunt Regulators Improved Zener Variable Reference TL432
    (Top View) REF 1 3 ANODE CATHODE 2 SOT23 Notes: 1. No purposely added lead. Fully EU Directive 2002/95/EC (RoHS) & 2011/65/EU (RoHS 2) compliant. 2. See http://www.diodes.com/quality/lead_free.html for more information about Diodes Incorporated's definitions of Halogen and Antimony free, "Green" and Lead-Free. 3. Halogen and Antimony free "Green" products are defined as those which contain <900ppm bromine, <900ppm chlorine (<1500ppm total Br + Cl) and <1000ppm antimony compounds. TL431 *SO-8 is a future package Document number: DS35044 Rev. 6 - 2 1 of 14 www.diodes.com April 2012
    Diodes Incorporated TL431/TL432
    ADJUSTABLE PRECISION SHUNT REGULATOR Absolute Maximum Ratings (Note 4)
    Symbol VKA IKA IREF TJ TST PD
    Notes: Parameter Cathode Voltage Continuous Cathode Current Reference Input Current Operating Junction Temperature Storage Temperature SOT23 Power Dissipation (Notes 5, 6) SOT25 SO-8* Rating 40 150 -0.050 to +10 +150 -55 to +150 330 500 700 Unit V mA mA
    C C mW 4. Operation above the absolute maximum rating may cause device failure. Operation at the absolute maximum ratings, for extended periods, may reduce device reliability. Unless otherwise stated voltages specified are relative to the ANODE pin. 5. TJ ...

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Other Names: TL431ASA7, TL431ASA 7

Docket:
TL431/TL432
ADJUSTABLE PRECISION SHUNT REGULATOR Description
The TL431 and TL432 are three terminal adjustable shunt regulators offering excellent temperature stability and output current handling capability up to 100mA. The output voltage may be set to any chosen voltage between 2.5 and 36 volts by selection of two external divider resistors. The devices can be used as a replacement for zener diodes in many applications requiring an improvement in zener performance. Diodes' TL431 has the same electrical specifications as the industry standard `431 and is available in 2 grades with initial tolerances of 1% and 0.5% for the A and B grades respectively. Pin Assignments TL431
(Top View) CATHODE 1 3 ANODE REF 2 SOT23 (Top View) NC 5 ANODE Features Temperature range -40 to +125C Reference Voltage Tolerance at 25C TL431A: 2.495V 1.0% TL431B: 2.495V 0.5% Low Output Noise 0.2 Typical Output Impedance Sink Current Capability: 1mA to 100mA Adjustable Output Voltage:...

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