Diodes Incorporated
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ZHT431G02TA
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ZHT431G02TA

Product Overview

Category

ZHT431G02TA belongs to the category of voltage references.

Use

It is primarily used as a precision shunt regulator for various applications.

Characteristics

  • High accuracy and stability
  • Low temperature coefficient
  • Wide operating voltage range
  • Low output noise
  • Adjustable output voltage

Package

ZHT431G02TA is available in a small surface-mount SOT-23 package.

Essence

The essence of ZHT431G02TA lies in its ability to provide a stable and accurate reference voltage for electronic circuits.

Packaging/Quantity

This product is typically packaged in reels, with each reel containing a specific quantity of ZHT431G02TA units.

Specifications

  • Input Voltage Range: 2.5V to 36V
  • Output Voltage Range: 1.24V to 20V
  • Initial Accuracy: ±0.5%
  • Temperature Coefficient: 50ppm/°C
  • Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

ZHT431G02TA has three pins:

  1. ADJ: This pin is used to adjust the output voltage.
  2. VOUT: The regulated output voltage is provided through this pin.
  3. VIN: The input voltage is connected to this pin.

Functional Features

  • Precise voltage regulation
  • Low dropout voltage
  • Current limiting and thermal shutdown protection
  • Adjustable output voltage using an external resistor

Advantages and Disadvantages

Advantages

  • High accuracy and stability ensure reliable performance.
  • Wide operating voltage range allows for versatile applications.
  • Low output noise ensures clean power supply for sensitive circuits.
  • Adjustable output voltage provides flexibility in design.

Disadvantages

  • Limited output current capability compared to some other voltage regulators.
  • Requires an external resistor for output voltage adjustment.

Working Principles

ZHT431G02TA operates based on the principle of a shunt regulator. It compares the reference voltage across its internal precision resistor with the voltage at the ADJ pin. By adjusting the resistance between the ADJ and VOUT pins, the output voltage can be precisely regulated.

Detailed Application Field Plans

ZHT431G02TA finds applications in various fields, including:

  1. Power supply circuits
  2. Battery charging systems
  3. Voltage references for analog-to-digital converters (ADCs)
  4. Precision instrumentation
  5. Audio amplifiers
  6. Industrial control systems

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to ZHT431G02TA include:

  1. TL431
  2. LM4040
  3. REF5025
  4. MAX6126

These models provide comparable voltage regulation capabilities and are widely used in similar applications.

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10 domande e risposte comuni relative all'applicazione di ZHT431G02TA nelle soluzioni tecniche

Sure! Here are 10 common questions and answers related to the application of ZHT431G02TA in technical solutions:

  1. Q: What is ZHT431G02TA? A: ZHT431G02TA is a voltage reference and shunt regulator IC that provides a stable voltage output.

  2. Q: What is the typical voltage range of ZHT431G02TA? A: The typical voltage range of ZHT431G02TA is from 1.24V to 16V.

  3. Q: How does ZHT431G02TA regulate voltage? A: ZHT431G02TA regulates voltage by comparing the reference voltage with an external resistor divider network.

  4. Q: Can ZHT431G02TA be used as a voltage regulator for low-power applications? A: Yes, ZHT431G02TA is commonly used as a voltage regulator for low-power applications due to its low quiescent current.

  5. Q: What is the maximum current that ZHT431G02TA can handle? A: The maximum current that ZHT431G02TA can handle depends on the external pass transistor used in the circuit.

  6. Q: Is ZHT431G02TA suitable for precision voltage references? A: Yes, ZHT431G02TA is suitable for precision voltage references as it has a low temperature coefficient and high accuracy.

  7. Q: Can ZHT431G02TA be used in battery-powered devices? A: Yes, ZHT431G02TA can be used in battery-powered devices as it operates over a wide input voltage range.

  8. Q: Does ZHT431G02TA require any external components for operation? A: Yes, ZHT431G02TA requires an external resistor divider network and a bypass capacitor for stable operation.

  9. Q: What are the typical applications of ZHT431G02TA? A: ZHT431G02TA is commonly used in power supplies, battery chargers, voltage references, and precision measurement circuits.

  10. Q: Is ZHT431G02TA available in different package options? A: Yes, ZHT431G02TA is available in various package options, such as SOT-23, SOT-89, and TO-92.

Please note that these answers are general and may vary depending on the specific requirements and datasheet of ZHT431G02TA.