• TL431: Errata datasheet TL431 as shunt regulator

  

  Guillaume Schaeffer

  TI Thinks Resolved

  Part Number: TL431 Hello, In the datasheet on your website (revised may 2024), in the section 9.2.2 Shunt Regulator/Reference, you specified that the cathode voltage can be determined by the equation : Vo = (1+R1/R2)*Vref - Iref*R1. But it should…

  • 4 months ago
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Answered

• TL431: TL431 regulates at 2V and not 2,5V

  

  Florian Regensburger

  Resolved

  Part Number: TL431 Other Parts Discussed in Thread: , TLA431 , LMV431 Hello TI-Team, i am currently developing a flyback and i use the TL431 in the feedback path. This is my current schematic for the TL431: The Output Voltage should be 27,5 V. I…

  • Resolved

  • 4 months ago
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• TL431: tl431 diode between reference and Cathode

  

  Yang Wu

  TI Thinks Resolved

  Part Number: TL431 Hi team, Does TI's TL431 has diode between reference and Cathode as other vender? Onsemi: TI: thanks. Best regards, Yang

  • 6 months ago
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• TL431: Package strategy question for TL431 / ATL431 family

  

  Conor

  TI Thinks Resolved

  Part Number: TL431 Hi, I have a few brief questions regarding package strategy for TL431-related shunt references. DBZ vs DBV vs DCK Is SOT-23-3 (DBZ) the primary long-term package, with DBV (SOT-23-5) and DCK (SC-70-6) remaining limited options…

  • 6 months ago
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• TL431: Cathode voltage ratings (VKA) of TL431

  

  Nilesh Khupase

  TI Thinks Resolved

  Part Number: TL431 Tool/software: Hello, In Datasheet, under Recommended Operating Conditions maximum value of Cathode voltage (VKA) is mentioned as 36V. But in our application it might be possible that we could cross this value up to 42V. My concern…

  • 9 months ago
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• TL431: TL431 input voltage Ragne

  

  John

  TI Thinks Resolved

  Part Number: TL431 Other Parts Discussed in Thread: TLV431 , TPS371K-Q1 , TPS371K Hi I used the TLV431 in a brake chopper circuit to generate a 2.495 V reference voltage for the TLV1831DBVR comparator, which detects overvoltage on the DC_BUS. The DC_BUS…

  • 8 months ago
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• TL431-Q1: Query in designing 15V and -4V precision regulator using TL431-Q1

  

  Shanjai kanna S

  TI Thinks Resolved

  Part Number: TL431-Q1 Other Parts Discussed in Thread: TL431 Dear team, I am designing 15V and -4V precision regulator using TL431, which is regulated from flyback secondard transformer. These is two voltages is supplied to gate driver IC to drive Sic…

  • 5 months ago
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• TL431: Schematic review

  

  Stone Zeng

  TI Thinks Resolved

  Part Number: TL431 Other Parts Discussed in Thread: TPS3842 Hi Team, my customer is using TL431 for input over voltage protection, please help review the schematic as below and share your comments, thanks!

  • 1 month ago
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• TL431: Request for confirmation of the process node.

  

  toru nishida

  TI Thinks Resolved

  Part Number: TL431 Regarding the TL431AQDBZRQ1 currently in production for Stanley Electric, we have received a request to confirm the following process node details. I f disclosure is possible, we would appreciate your confirmation. TL431AQDBZRQ1…

  • 1 month ago
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• TL431: TL431BQPK working query

  

  Balu E

  TI Thinks Resolved

  Part Number: TL431 Hi Team, I have TL431BQPK part is used at Ref Designator ZD671 in the attached schematic. I have a query regarding the working of ZD671 part here, whether the diode can be able to control the transistor Q678 emitter voltage if it…

  • 4 months ago
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