TL432CDBZTG4

Product Overview

Category: Integrated Circuits (ICs)

Use: Voltage References

Characteristics: - Adjustable Precision Shunt Regulator - Low Output Voltage Tolerance: ±0.5% - Sink Current Capability: 1mA to 100mA - Wide Operating Temperature Range: -40°C to +125°C - Low Dynamic Output Impedance: 0.2Ω

Package: SOT-23 (Small Outline Transistor)

Essence: The TL432CDBZTG4 is a precision shunt regulator that provides a stable reference voltage for various applications.

Packaging/Quantity: The TL432CDBZTG4 is available in tape and reel packaging, with 3000 units per reel.

Specifications

• Reference Voltage: Adjustable from 2.495V to 36V
• Output Voltage Tolerance: ±0.5%
• Sink Current Range: 1mA to 100mA
• Quiescent Current: 60µA (Typical)
• Operating Temperature Range: -40°C to +125°C
• Package Type: SOT-23

Detailed Pin Configuration

The TL432CDBZTG4 has three pins:

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

Functional Features

• Voltage Reference: The TL432CDBZTG4 acts as a precision voltage reference, providing a stable output voltage regardless of input variations.
• Adjustable Output: The reference voltage can be adjusted using external resistors, allowing flexibility in setting the desired output voltage.
• Low Output Voltage Tolerance: The device offers a low output voltage tolerance of ±0.5%, ensuring accurate and consistent voltage regulation.
• Sink Current Capability: The TL432CDBZTG4 can sink current ranging from 1mA to 100mA, making it suitable for a wide range of applications.
• Low Dynamic Output Impedance: With a low dynamic output impedance of 0.2Ω, the device maintains stability even with varying load conditions.

Advantages and Disadvantages

Advantages: - High precision and accuracy in voltage regulation. - Adjustable output voltage allows customization for specific requirements. - Wide operating temperature range enables usage in various environments. - Low dynamic output impedance ensures stability under different load conditions.

Disadvantages: - Limited sink current capability compared to some other voltage regulators. - SOT-23 package may not be suitable for applications requiring higher power dissipation.

Working Principles

The TL432CDBZTG4 operates as a shunt regulator by comparing the reference voltage at the REF pin with the input voltage at the Anode pin. It adjusts the current flowing through the internal resistor network to maintain a stable output voltage at the Cathode pin. By adjusting the external resistors connected to the REF pin, the desired output voltage can be set.

Detailed Application Field Plans

The TL432CDBZTG4 is widely used in various applications, including:

1. Voltage Regulation: Provides precise voltage references for analog circuits, sensors, and data acquisition systems.
2. Power Supplies: Stabilizes the output voltage of power supplies, ensuring reliable operation of electronic devices.
3. Battery Management: Monitors and regulates battery charging and discharging processes in portable devices.
4. Audio Amplifiers: Maintains a stable bias voltage for audio amplifiers, improving sound quality and performance.
5. LED Lighting: Controls the current flow in LED lighting systems, ensuring consistent brightness and efficiency.

Detailed and Complete Alternative Models

1. TL431CDBZR: Similar to TL432CDBZTG4, but with a fixed output voltage of 2.495V.
2. TLV431BQDBVR: Low-voltage shunt regulator with a fixed output voltage of 1.24V.
3. LM4040AIM3-2.5/NOPB: Precision shunt voltage reference with a fixed output voltage of 2.5V.

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

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