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TL432AQDBZRG4
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TL432AQDBZRG4

Product Overview

  • Category: Integrated Circuit
  • Use: Voltage Reference
  • Characteristics: Adjustable Precision Shunt Regulator
  • Package: SOT-23 (Small Outline Transistor)
  • Essence: Provides a stable voltage reference for various applications
  • Packaging/Quantity: Tape and Reel, 3000 units per reel

Specifications

  • Reference Voltage Range: 1.24V to 20V
  • Output Current: Up to 100mA
  • Operating Temperature Range: -40°C to +85°C
  • Line Regulation: 0.2% typical
  • Load Regulation: 0.4% typical
  • Dropout Voltage: 0.6V typical at 10mA load current

Detailed Pin Configuration

The TL432AQDBZRG4 has three pins:

  1. Anode (A): Connected to the higher voltage side of the circuit.
  2. Cathode (K): Connected to the lower voltage side of the circuit.
  3. Reference (REF): Output pin that provides the stable voltage reference.

Functional Features

  • Provides a precise and adjustable voltage reference.
  • Acts as a shunt regulator to maintain a constant voltage across the load.
  • Offers excellent temperature stability and low output impedance.
  • Can be used as a precision voltage clamp or voltage limiter.

Advantages and Disadvantages

Advantages: - Wide range of adjustable reference voltages. - Low dropout voltage ensures efficient operation. - High accuracy and stability over temperature variations. - Small package size allows for space-saving designs.

Disadvantages: - Limited output current capability. - Requires external components for proper operation. - Not suitable for high-power applications.

Working Principles

The TL432AQDBZRG4 is a precision shunt regulator that uses a bandgap reference to generate a stable voltage. It compares the reference voltage with the input voltage and adjusts the current flowing through the shunt resistor to maintain a constant output voltage. By adjusting the value of the external resistor connected between the REF pin and the cathode, the desired output voltage can be set.

Detailed Application Field Plans

The TL432AQDBZRG4 finds applications in various fields, including:

  1. Voltage Regulation: Provides a stable reference voltage for power supplies, battery chargers, and voltage regulators.
  2. Precision Measurement: Used in instrumentation and data acquisition systems to ensure accurate voltage references.
  3. Audio Amplifiers: Helps maintain a constant bias voltage for improved audio signal quality.
  4. LED Lighting: Ensures consistent brightness by regulating the voltage across LED arrays.
  5. Automotive Electronics: Used in automotive circuits for voltage stabilization and protection.

Detailed and Complete Alternative Models

  • TL431AQDBZR: Similar to TL432AQDBZRG4 but in a different package (SOT-89).
  • TLV431AQDBVR: Adjustable precision shunt regulator with a different pin configuration (SOT-23-5).
  • LM4040AIM3-2.5/NOPB: Precision shunt voltage reference with fixed 2.5V output (SOT-23).

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Lista 10 Vanliga frågor och svar relaterade till tillämpningen av TL432AQDBZRG4 i tekniska lösningar

Sure! Here are 10 common questions and answers related to the application of TL432AQDBZRG4 in technical solutions:

  1. Q: What is TL432AQDBZRG4? A: TL432AQDBZRG4 is a precision shunt regulator that can be used as a voltage reference or adjustable precision voltage divider.

  2. Q: What are the typical applications of TL432AQDBZRG4? A: TL432AQDBZRG4 is commonly used in power supplies, battery chargers, audio amplifiers, and other electronic circuits where precise voltage regulation is required.

  3. Q: How does TL432AQDBZRG4 work? A: TL432AQDBZRG4 compares the reference voltage with an external voltage divider network and adjusts its output to maintain a constant voltage across the load.

  4. Q: What is the voltage range of TL432AQDBZRG4? A: TL432AQDBZRG4 has a voltage range from 2.5V to 36V, making it suitable for a wide range of applications.

  5. Q: Can TL432AQDBZRG4 handle high currents? A: Yes, TL432AQDBZRG4 can handle currents up to 100mA, which is sufficient for most low-power applications.

  6. Q: Is TL432AQDBZRG4 stable over temperature variations? A: Yes, TL432AQDBZRG4 has excellent temperature stability, ensuring consistent performance across a wide temperature range.

  7. Q: Can I use TL432AQDBZRG4 in automotive applications? A: Yes, TL432AQDBZRG4 is qualified for automotive applications and meets the necessary standards for reliability and performance.

  8. Q: Does TL432AQDBZRG4 require any external components? A: Yes, TL432AQDBZRG4 requires an external voltage divider network and a bypass capacitor for stable operation.

  9. Q: Can I use TL432AQDBZRG4 in both series and shunt configurations? A: Yes, TL432AQDBZRG4 can be used in both series and shunt configurations, depending on the specific application requirements.

  10. Q: Is there a recommended PCB layout for TL432AQDBZRG4? A: Yes, Texas Instruments provides guidelines for PCB layout to ensure optimal performance and minimize noise and stability issues.