TL432BCDBZT

Product Overview

Category: Integrated Circuits (ICs)

Use: Voltage References

Characteristics: - Adjustable Precision Shunt Regulator - Low Output Voltage Tolerance: ±0.5% - Low Dynamic Output Impedance: 0.2 Ω - Sink Current Capability: 1 mA to 100 mA - Wide Operating Temperature Range: -40°C to +125°C - Low Quiescent Current: 60 µA (Typical) - Package Type: SOT-23-3 - RoHS Compliant

Packaging/Quantity: The TL432BCDBZT is available in a SOT-23-3 package. It is typically sold in reels of 3000 units.

Specifications

• Reference Voltage: Adjustable from 2.495 V to 36 V
• Output Voltage Tolerance: ±0.5% (at 25°C)
• Minimum Cathode Current: 1 mA
• Maximum Cathode Current: 100 mA
• Dynamic Output Impedance: 0.2 Ω (Typical)
• Operating Temperature Range: -40°C to +125°C
• Quiescent Current: 60 µA (Typical)
• Package Type: SOT-23-3

Detailed Pin Configuration

The TL432BCDBZT has three pins:

1. Cathode (K): This pin is connected to the reference voltage source.
2. Anode (A): This pin is connected to the load or the voltage being regulated.
3. Adjust (ADJ): This pin is used to adjust the output voltage.

Functional Features

The TL432BCDBZT is an adjustable precision shunt regulator that provides a stable reference voltage. It is commonly used in various applications where precise voltage regulation is required. The key features of this product include:

• Adjustable Output Voltage: The TL432BCDBZT allows the user to adjust the output voltage within a wide range, making it suitable for different applications.
• Low Output Voltage Tolerance: With a tolerance of ±0.5%, this IC ensures accurate and stable voltage regulation.
• Low Dynamic Output Impedance: The low dynamic output impedance of 0.2 Ω ensures excellent load regulation and stability.
• Wide Operating Temperature Range: The TL432BCDBZT can operate in a temperature range of -40°C to +125°C, making it suitable for various environments.
• Low Quiescent Current: With a typical quiescent current of 60 µA, this IC minimizes power consumption.

Advantages and Disadvantages

Advantages: - Adjustable output voltage provides flexibility for different applications. - Accurate and stable voltage regulation with low output voltage tolerance. - Low dynamic output impedance ensures excellent load regulation. - Wide operating temperature range allows for use in various environments. - Low quiescent current minimizes power consumption.

Disadvantages: - Limited sink current capability (up to 100 mA). - Requires external components for proper operation.

Working Principles

The TL432BCDBZT operates as a shunt regulator by comparing the reference voltage at the cathode pin (K) with the voltage at the adjust pin (ADJ). By adjusting the voltage at the ADJ pin, the output voltage can be set to the desired value. The TL432BCDBZT sinks current from the load, regulating the voltage across it.

Detailed Application Field Plans

The TL432BCDBZT is widely used in various applications that require precise voltage regulation. Some common application fields include:

1. Power Supplies: The TL432BCDBZT is commonly used in power supply circuits to provide stable and accurate reference voltages for voltage regulation.
2. Battery Charging: It is used in battery charging circuits to regulate the charging voltage and ensure proper charging of batteries.
3. Voltage References: The TL432BCDBZT can be used as a voltage reference in measurement and control systems, providing a stable and accurate reference voltage.
4. Audio Amplifiers: It is used in audio amplifier circuits to provide precise biasing and voltage regulation for improved audio performance.

Detailed and Complete Alternative Models

1. TL431ACDBZR: This is a similar shunt regulator with adjustable output voltage and a SOT-23-3 package.
2. LM4040CIM3-2.5/NOPB: This is a precision shunt voltage reference with a fixed output voltage of 2.5 V and a SOT-23-3 package.
3. LT1009CZ-2.5#PBF: This is a precision reference voltage source with a fixed output voltage of 2.5 V and a TO-92 package.

These alternative models offer similar functionality and can be considered as alternatives to the TL432BCDBZT