TL431BIDCKTE4
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Texas Instruments TL431BIDCKTE4

Manufacturer No:
TL431BIDCKTE4
Manufacturer:
Texas Instruments
Package:
Tape & Reel (TR)
Description:
IC VREF SHUNT ADJ 0.5% SC70-6
Delivery:
Payment:
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Product Introduction

Overview

The TL431BIDCKTE4 is a precision programmable reference voltage regulator produced by Texas Instruments. It is part of the TL431 series, which includes three-terminal adjustable shunt regulators known for their thermal stability across various temperature ranges. This device is particularly useful for applications requiring adjustable output voltages and high precision.

The TL431BIDCKTE4 is available in the SC-70 (DCK) package and is characterized by its low output noise, sharp turn-on characteristic, and the ability to operate from -40°C to 125°C. It is an excellent replacement for Zener diodes in many applications, including on-board regulation, adjustable power supplies, and switching power supplies.

Key Specifications

Parameter Unit Min Max
Reference Voltage Tolerance at 25°C % - 0.5% (B Grade) -
Adjustable Output Voltage V Vref (approx. 2.5V) - 36V
Operating Temperature Range °C -40 - 125
Typical Temperature Drift mV - 6 (C temp), 14 (I temp, Q temp) -
Output Impedance Ω - 0.2 -
Sink-Current Capability mA 1 - 100
Operating Junction Temperature Range °C - - 150

Key Features

  • Adjustable output voltage from Vref (approximately 2.5V) to 36V using two external resistors.
  • High precision reference voltage with tolerances of 0.5% (B grade), 1% (A grade), and 2% (Standard grade) at 25°C.
  • Low output noise and typical output impedance of 0.2Ω.
  • Sink-current capability ranging from 1mA to 100mA.
  • Operation from -40°C to 125°C, making it suitable for automotive, commercial, and military applications.
  • Sharp turn-on characteristic, making it an excellent replacement for Zener diodes.

Applications

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

Q & A

  1. What is the TL431BIDCKTE4?

    The TL431BIDCKTE4 is a precision programmable reference voltage regulator from Texas Instruments, part of the TL431 series.

  2. What are the key features of the TL431BIDCKTE4?

    Key features include adjustable output voltage, high precision reference voltage, low output noise, and operation over a wide temperature range.

  3. What is the temperature range for the TL431BIDCKTE4?

    The device operates from -40°C to 125°C.

  4. How is the output voltage adjusted?

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

  5. What are the typical applications for the TL431BIDCKTE4?

    Applications include on-board regulation, adjustable power supplies, switching power supplies, rack server power, industrial AC/DC power supplies, and more.

  6. What is the sink-current capability of the TL431BIDCKTE4?

    The device can sink currents ranging from 1mA to 100mA.

  7. What is the output impedance of the TL431BIDCKTE4?

    The typical output impedance is 0.2Ω.

  8. Why is the TL431BIDCKTE4 a good replacement for Zener diodes?

    It has a sharp turn-on characteristic and low output noise, making it a superior choice for many applications.

  9. What are the different grades of the TL431 series?

    The TL431 series is available in B grade (0.5% tolerance), A grade (1% tolerance), and Standard grade (2% tolerance) at 25°C.

  10. What package type is the TL431BIDCKTE4 available in?

    The TL431BIDCKTE4 is available in the SC-70 (DCK) package.

Product Attributes

Reference Type:Shunt
Output Type:Adjustable
Voltage - Output (Min/Fixed):2.495V
Voltage - Output (Max):36 V
Current - Output:100 mA
Tolerance:±0.5%
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:6-TSSOP, SC-88, SOT-363
Supplier Device Package:SC-70-6
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Similar Products

Part Number TL431BIDCKTE4 TL431BIDCKTG4
Manufacturer Texas Instruments Texas Instruments
Product Status Discontinued at Digi-Key Discontinued at Digi-Key
Reference Type Shunt Shunt
Output Type Adjustable Adjustable
Voltage - Output (Min/Fixed) 2.495V 2.495V
Voltage - Output (Max) 36 V 36 V
Current - Output 100 mA 100 mA
Tolerance ±0.5% ±0.5%
Temperature Coefficient - -
Noise - 0.1Hz to 10Hz - -
Noise - 10Hz to 10kHz - -
Voltage - Input - -
Current - Supply - -
Current - Cathode 700 µA 700 µA
Operating Temperature -40°C ~ 85°C (TA) -40°C ~ 85°C (TA)
Mounting Type Surface Mount Surface Mount
Package / Case 6-TSSOP, SC-88, SOT-363 6-TSSOP, SC-88, SOT-363
Supplier Device Package SC-70-6 SC-70-6

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