TL432QDBZT

Product Overview

Category

TL432QDBZT belongs to the category of voltage references.

Use

It is commonly used as a precision shunt regulator in various electronic circuits.

Characteristics

• TL432QDBZT is a low-voltage, adjustable precision shunt regulator.
• It provides accurate output voltage regulation with low dynamic impedance.
• The device has a wide operating voltage range and can operate from 2.5V to 36V.
• TL432QDBZT offers excellent temperature stability and low reference voltage tolerance.
• It is available in a small SOT-23 package, making it suitable for space-constrained applications.

Package and Quantity

TL432QDBZT is packaged in a SOT-23 package. It is typically sold in reels or tubes containing multiple units.

Specifications

• Operating Voltage Range: 2.5V to 36V
• Reference Voltage Tolerance: ±0.5%
• Temperature Stability: ±50ppm/°C
• Dynamic Output Impedance: 0.25Ω (typical)
• Package Type: SOT-23

Pin Configuration

The TL432QDBZT has three pins:

1. REF: This pin is connected to the reference voltage output.
2. ANODE: This pin is connected to the anode of the internal shunt diode.
3. CATHODE: This pin is connected to the cathode of the internal shunt diode.

Functional Features

• TL432QDBZT provides a stable reference voltage that can be adjusted using external resistors.
• It operates as a shunt regulator, maintaining a constant voltage drop across the internal shunt diode.
• The device has a low dynamic impedance, ensuring accurate voltage regulation even under varying load conditions.
• TL432QDBZT offers excellent temperature stability, making it suitable for applications with wide temperature ranges.

Advantages and Disadvantages

Advantages

• Wide operating voltage range allows for versatile application.
• Accurate output voltage regulation ensures precise circuit performance.
• Small package size enables usage in space-constrained designs.
• Excellent temperature stability guarantees reliable operation in various environments.

Disadvantages

• The device requires external resistors for voltage adjustment, adding complexity to the circuit design.
• TL432QDBZT may not be suitable for high-power applications due to its limited current handling capability.

Working Principles

TL432QDBZT operates based on the principle of a shunt regulator. It maintains a constant voltage drop across the internal shunt diode by adjusting the current flowing through it. This regulated voltage is then provided at the REF pin.

Application Field Plans

TL432QDBZT finds applications in various fields, including but not limited to: 1. Power supply circuits: It can be used as a voltage reference for stable power supply outputs. 2. Battery charging circuits: TL432QDBZT ensures accurate voltage regulation during battery charging processes. 3. Audio amplifiers: It helps maintain precise biasing voltages for improved audio signal quality. 4. Industrial control systems: TL432QDBZT provides stable reference voltages for precise control and measurement.

Alternative Models

There are several alternative models available that offer similar functionality to TL432QDBZT. Some notable alternatives include: - LM431 - TLVH431 - LT1009

These alternative models can be considered based on specific application requirements and availability.

In conclusion, TL432QDBZT is a low-voltage, adjustable precision shunt regulator widely used in electronic circuits. Its accurate voltage regulation, temperature stability, and small package size make it suitable for various applications. However, it requires external resistors for voltage adjustment and may not be suitable for high-power applications.