Diodes Incorporated
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ZR431FTA
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ZR431FTA

Product Overview

Category: Voltage Reference
Use: Precision voltage reference for various applications
Characteristics: High accuracy, low temperature coefficient, and low dropout voltage
Package: TO-92
Essence: Precision voltage reference
Packaging/Quantity: Bulk packaging, 100 units per bag

Specifications

  • Output Voltage: 2.5V
  • Initial Accuracy: ±0.5%
  • Temperature Coefficient: 50ppm/°C
  • Dropout Voltage: 1.5V
  • Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The ZR431FTA has three pins:

  1. Anode (A): Connected to the positive supply voltage
  2. Cathode (K): Connected to the load or ground
  3. Reference (R): Provides a stable output voltage

Functional Features

  • Precise output voltage reference
  • Low temperature coefficient ensures stability over a wide temperature range
  • Low dropout voltage minimizes power dissipation
  • Adjustable output voltage with external resistors

Advantages

  • High accuracy and stability
  • Wide operating temperature range
  • Low power consumption
  • Easy to use and integrate into various circuits
  • Cost-effective solution for precision voltage reference applications

Disadvantages

  • Limited output voltage options
  • Requires external resistors for adjustable output voltage

Working Principles

The ZR431FTA is a shunt voltage reference that operates by comparing the voltage across a precision resistor with an internal reference voltage. It adjusts the current flowing through the resistor to maintain a constant voltage drop, providing a stable output voltage.

Detailed Application Field Plans

The ZR431FTA can be used in various applications, including:

  1. Power supply circuits: Provides a stable voltage reference for voltage regulators and control circuits.
  2. Analog-to-digital converters (ADCs): Ensures accurate voltage reference for precise analog signal conversion.
  3. Temperature sensors: Maintains a stable reference voltage for temperature measurement circuits.
  4. Battery charging circuits: Provides a reliable voltage reference for battery charging control.

Detailed and Complete Alternative Models

  1. LM4040: Precision voltage reference with adjustable output voltage and low temperature coefficient.
  2. LT1236: Ultra-high precision voltage reference with low noise and excellent long-term stability.
  3. MAX619: Low-power, low-dropout voltage reference with wide operating temperature range.

These alternative models offer similar functionality and can be considered based on specific application requirements.

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Lista 10 Vanliga frågor och svar relaterade till tillämpningen av ZR431FTA i tekniska lösningar

Sure! Here are 10 common questions and answers related to the application of ZR431FTA in technical solutions:

  1. Q: What is ZR431FTA? A: ZR431FTA is a voltage reference and shunt regulator commonly used in technical solutions.

  2. Q: What are the key features of ZR431FTA? A: ZR431FTA offers high accuracy, low temperature coefficient, and low output impedance.

  3. Q: How does ZR431FTA work in technical solutions? A: ZR431FTA compares a reference voltage with an input voltage and adjusts its output to maintain a stable voltage level.

  4. Q: What are the typical applications of ZR431FTA? A: ZR431FTA is widely used in power supplies, battery chargers, voltage regulators, and precision measurement equipment.

  5. Q: Can ZR431FTA handle high currents? A: No, ZR431FTA is primarily used for low to moderate current applications. For high current requirements, external pass transistors may be needed.

  6. Q: How accurate is ZR431FTA? A: ZR431FTA typically provides accuracy within a few millivolts, making it suitable for many precision applications.

  7. Q: Does ZR431FTA require any external components? A: Yes, ZR431FTA requires a few external resistors to set the desired output voltage and adjust its operating range.

  8. Q: Can ZR431FTA operate over a wide temperature range? A: Yes, ZR431FTA is designed to operate reliably over a wide temperature range, typically from -40°C to +85°C.

  9. Q: Is ZR431FTA available in different package options? A: Yes, ZR431FTA is available in various package options, including SOT-23, TO-92, and SOIC, to suit different application requirements.

  10. Q: Are there any precautions to consider when using ZR431FTA? A: It is important to ensure proper heat dissipation, avoid exceeding the maximum ratings, and follow the manufacturer's guidelines for optimal performance and reliability.

Please note that these questions and answers are general in nature and may vary depending on specific technical solutions and requirements.