TL431AIDBZR
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Texas Instruments TL431AIDBZR

Manufacturer No:
TL431AIDBZR
Manufacturer:
Texas Instruments
Package:
Tape & Reel (TR)
Description:
IC VREF SHUNT ADJ 1% SOT23-3
Delivery:
Payment:
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Product Introduction

Overview

The TL431AIDBZR is a three-terminal adjustable precision shunt regulator produced by Texas Instruments. This device is part of the TL431 family, known for its high precision and adjustable output voltage. The TL431AIDBZR offers a reference voltage tolerance of 1% at 25°C and can be set to any value between approximately 2.5V and 36V using two external resistors. It operates over a wide temperature range from -40°C to 85°C, making it suitable for various automotive, commercial, and industrial applications.

Key Specifications

Parameter Value Unit
Reference Voltage Tolerance at 25°C 1% -
Adjustable Output Voltage Range 2.495 V to 36 V V
Operating Temperature Range -40°C to 85°C °C
Typical Temperature Drift 6 mV (C temp), 14 mV (I temp, Q temp) mV
Output Impedance 0.2 Ω Ω
Sink-Current Capability 1 mA to 100 mA mA
Package Type SOT23 -
Package Size 2.9 x 1.3 x 1 mm mm

Key Features

  • Adjustable output voltage from approximately 2.5V to 36V using two external resistors.
  • Reference voltage tolerance of 1% at 25°C.
  • Operation from -40°C to 85°C, with some grades extending to 125°C.
  • Low output noise and typical output impedance of 0.2 Ω.
  • Sink-current capability ranging from 1 mA to 100 mA.
  • Active output circuitry providing a sharp turn-on characteristic, making it an excellent replacement for Zener diodes in many applications.

Applications

  • Rack server power supplies.
  • Industrial AC/DC power supplies.
  • AC inverter and variable frequency (VF) drives.
  • Servo drive control modules.
  • Notebook PC power adapter designs.
  • On-board regulation and adjustable power supplies.
  • Switching power supplies.

Q & A

  1. What is the TL431AIDBZR?

    The TL431AIDBZR is a three-terminal adjustable precision shunt regulator produced by Texas Instruments.

  2. What is the adjustable output voltage range of the TL431AIDBZR?

    The output voltage can be set to any value between approximately 2.5V and 36V using two external resistors.

  3. What is the reference voltage tolerance of the TL431AIDBZR at 25°C?

    The reference voltage tolerance is 1% at 25°C.

  4. What is the operating temperature range of the TL431AIDBZR?

    The device operates from -40°C to 85°C.

  5. What is the typical output impedance of the TL431AIDBZR?

    The typical output impedance is 0.2 Ω.

  6. What is the sink-current capability of the TL431AIDBZR?

    The sink-current capability ranges from 1 mA to 100 mA.

  7. In what package is the TL431AIDBZR available?

    The TL431AIDBZR is available in the SOT23 package.

  8. What are some common applications of the TL431AIDBZR?

    Common applications include rack server power supplies, industrial AC/DC power supplies, AC inverter and VF drives, servo drive control modules, and notebook PC power adapter designs.

  9. Can the TL431AIDBZR replace Zener diodes in some applications?

    Yes, the TL431AIDBZR can replace Zener diodes in many applications due to its active output circuitry and sharp turn-on characteristic.

  10. What is the size of the SOT23 package for the TL431AIDBZR?

    The SOT23 package measures 2.9 x 1.3 x 1 mm.

Product Attributes

Reference Type:Shunt
Output Type:Adjustable
Voltage - Output (Min/Fixed):2.495V
Voltage - Output (Max):36 V
Current - Output:100 mA
Tolerance:±1%
Temperature Coefficient:- 
Noise - 0.1Hz to 10Hz:- 
Noise - 10Hz to 10kHz:- 
Voltage - Input:- 
Current - Supply:- 
Current - Cathode:700 µA
Operating Temperature:-40°C ~ 85°C (TA)
Mounting Type:Surface Mount
Package / Case:TO-236-3, SC-59, SOT-23-3
Supplier Device Package:SOT-23-3
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Similar Products

Part Number TL431AIDBZR TL431AIDBZT TL431AQDBZR TL431ACDBZR TL431AIDBVR
Manufacturer Texas Instruments Texas Instruments Texas Instruments Texas Instruments Texas Instruments
Product Status Active Active Active Active Active
Reference Type Shunt Shunt Shunt Shunt Shunt
Output Type Adjustable Adjustable Adjustable Adjustable Adjustable
Voltage - Output (Min/Fixed) 2.495V 2.495V 2.495V 2.495V 2.495V
Voltage - Output (Max) 36 V 36 V 36 V 36 V 36 V
Current - Output 100 mA 100 mA 100 mA 100 mA 100 mA
Tolerance ±1% ±1% ±1% ±1% ±1%
Temperature Coefficient - - - - -
Noise - 0.1Hz to 10Hz - - - - -
Noise - 10Hz to 10kHz - - - - -
Voltage - Input - - - - -
Current - Supply - - - - -
Current - Cathode 700 µA 700 µA 700 µA 600 µA 700 µA
Operating Temperature -40°C ~ 85°C (TA) -40°C ~ 85°C (TA) -40°C ~ 125°C (TA) 0°C ~ 70°C (TA) -40°C ~ 85°C (TA)
Mounting Type Surface Mount Surface Mount Surface Mount Surface Mount Surface Mount
Package / Case TO-236-3, SC-59, SOT-23-3 TO-236-3, SC-59, SOT-23-3 TO-236-3, SC-59, SOT-23-3 TO-236-3, SC-59, SOT-23-3 SC-74A, SOT-753
Supplier Device Package SOT-23-3 SOT-23-3 SOT-23-3 SOT-23-3 SOT-23-5

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