TLV431AIDBVRG4
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Texas Instruments TLV431AIDBVRG4

Manufacturer No:
TLV431AIDBVRG4
Manufacturer:
Texas Instruments
Package:
Tape & Reel (TR)
Description:
IC VREF SHUNT ADJ 1% SOT23-5
Delivery:
Payment:
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Product Introduction

Overview

The TLV431AIDBVRG4 is a low-voltage, adjustable precision shunt regulator produced by Texas Instruments. This device is part of the TLV431 series, known for its high accuracy and thermal stability over a wide range of temperatures. The TLV431AIDBVRG4 operates with a reference voltage of 1.24V and can be adjusted to output voltages from 1.24V to 6V using two external resistors. It is packaged in a 5-pin SOT-23 (DBV) package, making it suitable for space-constrained applications.

Key Specifications

Parameter Value Unit
Reference Voltage (VREF) 1.24 V
Output Voltage Range (VO) 1.24 to 6 V
Reference Voltage Tolerance at 25°C 1%
Typical Temperature Drift 6 mV (–40°C to 85°C) mV
Operational Cathode Current 80 µA (typical) µA
Output Impedance 0.25 Ω (typical) Ω
Package Type SOT-23 (DBV) 5-pin
Operating Temperature Range –40°C to 85°C °C
Supply Voltage Range 1.24 to 6 V V
Moisture Sensitivity Level 1
Peak Reflow Temperature 260 °C °C

Key Features

  • Low-voltage operation with a reference voltage of 1.24V
  • Adjustable output voltage from 1.24V to 6V using two external resistors
  • High accuracy with 1% reference voltage tolerance at 25°C
  • Low operational cathode current of 80 µA (typical)
  • Low output impedance of 0.25 Ω (typical)
  • Ultra-small SOT-23 (DBV) package for space-constrained applications
  • Internal compensation for stability without an output capacitor
  • Suitable for use as a Zener diode replacement and in voltage monitoring applications

Applications

  • Adjustable voltage and current referencing
  • Secondary side regulation in flyback switching-mode power supplies (SMPS)
  • Zener diode replacement
  • Voltage monitoring
  • Comparator with integrated reference
  • On-board regulation and adjustable power supplies
  • Isolated feedback circuits for 3V to 3.3V switching-mode power supplies

Q & A

  1. What is the reference voltage of the TLV431AIDBVRG4?

    The reference voltage (VREF) is 1.24V.

  2. What is the adjustable output voltage range of the TLV431AIDBVRG4?

    The output voltage can be adjusted from 1.24V to 6V using two external resistors.

  3. What is the typical operational cathode current of the TLV431AIDBVRG4?

    The typical operational cathode current is 80 µA.

  4. What is the output impedance of the TLV431AIDBVRG4?

    The typical output impedance is 0.25 Ω.

  5. In what package is the TLV431AIDBVRG4 available?

    The TLV431AIDBVRG4 is available in a 5-pin SOT-23 (DBV) package.

  6. What is the operating temperature range of the TLV431AIDBVRG4?

    The operating temperature range is –40°C to 85°C.

  7. Can the TLV431AIDBVRG4 be used as a Zener diode replacement?
  8. What are some common applications of the TLV431AIDBVRG4?
  9. Does the TLV431AIDBVRG4 require an output capacitor for stability?
  10. How is the output voltage of the TLV431AIDBVRG4 adjusted?

    The output voltage is adjusted using two external resistors connected to the reference and cathode pins.

Product Attributes

Reference Type:Shunt
Output Type:Adjustable
Voltage - Output (Min/Fixed):1.24V
Voltage - Output (Max):6 V
Current - Output:15 mA
Tolerance:±1%
Temperature Coefficient:- 
Noise - 0.1Hz to 10Hz:- 
Noise - 10Hz to 10kHz:- 
Voltage - Input:- 
Current - Supply:- 
Current - Cathode:80 µA
Operating Temperature:-40°C ~ 85°C (TA)
Mounting Type:Surface Mount
Package / Case:SC-74A, SOT-753
Supplier Device Package:SOT-23-5
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Similar Products

Part Number TLV431AIDBVRG4 TLV431AIDBZRG4 TLV431AIDBVTG4 TLV431BIDBVRG4 TLV431ACDBVRG4 TLV431AIDBVRE4
Manufacturer Texas Instruments Texas Instruments Texas Instruments Texas Instruments Texas Instruments Texas Instruments
Product Status Discontinued at Digi-Key Discontinued at Digi-Key Discontinued at Digi-Key Discontinued at Digi-Key Discontinued at Digi-Key Discontinued at Digi-Key
Reference Type Shunt Shunt Shunt Shunt Shunt Shunt
Output Type Adjustable Adjustable Adjustable Adjustable Adjustable Adjustable
Voltage - Output (Min/Fixed) 1.24V 1.24V 1.24V 1.24V 1.24V 1.24V
Voltage - Output (Max) 6 V 6 V 6 V 6 V 6 V 6 V
Current - Output 15 mA 15 mA 15 mA 15 mA 15 mA 15 mA
Tolerance ±1% ±1% ±1% ±0.5% ±1% ±1%
Temperature Coefficient - - - - - -
Noise - 0.1Hz to 10Hz - - - - - -
Noise - 10Hz to 10kHz - - - - - -
Voltage - Input - - - - - -
Current - Supply - - - - - -
Current - Cathode 80 µA 80 µA 80 µA 100 µA 80 µA 80 µA
Operating Temperature -40°C ~ 85°C (TA) -40°C ~ 85°C (TA) -40°C ~ 85°C (TA) -40°C ~ 85°C (TA) 0°C ~ 70°C (TA) -40°C ~ 85°C (TA)
Mounting Type Surface Mount Surface Mount Surface Mount Surface Mount Surface Mount Surface Mount
Package / Case SC-74A, SOT-753 TO-236-3, SC-59, SOT-23-3 SC-74A, SOT-753 SC-74A, SOT-753 SC-74A, SOT-753 SC-74A, SOT-753
Supplier Device Package SOT-23-5 SOT-23-3 SOT-23-5 SOT-23-5 SOT-23-5 SOT-23-5

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