TL432QDBZR

Basic Information Overview

• Category: Integrated Circuit (IC)
• Use: Voltage Reference
• Characteristics:
  • Low voltage reference
  • Adjustable output voltage
  • High precision
  • Low temperature coefficient
• Package: SOT-23-3
• Essence: Shunt regulator
• Packaging/Quantity: Tape and Reel, 3000 pieces per reel

Specifications

• Reference Voltage Range: 1.24V to 20V
• Output Current: Up to 100mA
• Operating Temperature Range: -40°C to +85°C
• Input Voltage Range: Up to 36V
• Dropout Voltage: 0.6V typical at 10mA load current

Detailed Pin Configuration

The TL432QDBZR has three pins in the SOT-23-3 package: 1. Pin 1: Anode (A) 2. Pin 2: Cathode (K) 3. Pin 3: Reference (REF)

Functional Features

• Precision voltage reference: The TL432QDBZR provides a stable and accurate voltage reference for various applications.
• Adjustable output voltage: The output voltage can be easily adjusted using external resistors, allowing flexibility in design.
• Low temperature coefficient: The device exhibits minimal changes in output voltage with temperature variations, ensuring reliable performance across different operating conditions.
• Low dropout voltage: With a low dropout voltage, the TL432QDBZR can regulate the output voltage even when the input voltage is close to the desired output voltage.

Advantages and Disadvantages

Advantages

• High precision and stability
• Wide range of adjustable output voltages
• Low temperature coefficient ensures consistent performance
• Low dropout voltage allows operation with small voltage differentials

Disadvantages

• Limited output current capability (up to 100mA)
• Requires external resistors for voltage adjustment

Working Principles

The TL432QDBZR is a shunt regulator that operates by comparing the reference voltage at the REF pin with an adjustable voltage divider connected to the Anode and Cathode pins. By adjusting the resistor values in the voltage divider, the output voltage can be set within the specified range. The TL432QDBZR maintains a constant voltage drop between the Anode and Cathode pins, ensuring a stable output voltage.

Detailed Application Field Plans

The TL432QDBZR finds applications in various fields, including: 1. Power supply circuits: It can be used as a voltage reference in linear regulators, switching power supplies, and battery charging circuits. 2. Precision measurement instruments: The TL432QDBZR's high precision and stability make it suitable for use in digital multimeters, oscilloscopes, and other measurement devices. 3. Audio equipment: It can be employed in audio amplifiers, mixers, and equalizers to provide accurate biasing and voltage references. 4. Automotive electronics: The TL432QDBZR is used in automotive systems such as engine control units (ECUs), lighting controls, and infotainment systems.

Detailed and Complete Alternative Models

Some alternative models to the TL432QDBZR include: - TL431AQDBZR: Similar specifications and features, but with a different package (SOT-23-5). - LM4040CIZ-10.0/NOPB: A 10V precision voltage reference with similar characteristics, but in a different package (TO-92).

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