TL431ACDBZR

Basic Information Overview

• Category: Integrated Circuit (IC)
• Use: Voltage Reference
• Characteristics:
  • Adjustable precision shunt regulator
  • Programmable output voltage
  • Low dynamic impedance
  • Wide operating current range
• Package: SOT-23-3
• Essence: Precision voltage reference
• Packaging/Quantity: Tape and Reel, 3000 pieces per reel

Specifications

• Reference Voltage Range: 2.495V to 36V
• Operating Current Range: 1mA to 100mA
• Temperature Range: -40°C to +85°C
• Initial Accuracy: ±0.5%
• Temperature Stability: ±50ppm/°C

Detailed Pin Configuration

The TL431ACDBZR has three pins in the SOT-23-3 package: 1. Anode (A): Connected to the reference voltage input. 2. Cathode (K): Connected to the ground or negative supply. 3. Reference (R): Provides the regulated output voltage.

Functional Features

• Adjustable Output Voltage: The TL431ACDBZR allows precise adjustment of the output voltage using external resistors.
• Programmable Reference: It can be programmed to provide a specific reference voltage by selecting appropriate resistor values.
• Low Dynamic Impedance: The device maintains a low dynamic output impedance over a wide range of operating conditions.
• Overcurrent Protection: The TL431ACDBZR includes built-in overcurrent protection to safeguard against excessive current flow.

Advantages and Disadvantages

Advantages: - High precision and stability - Wide operating current range - Simple external circuitry required - Cost-effective solution for voltage regulation

Disadvantages: - Limited output current capability - Requires careful consideration of thermal management due to power dissipation

Working Principles

The TL431ACDBZR is a precision shunt regulator that uses a bandgap reference to provide a stable output voltage. It compares the reference voltage with an external voltage divider network and adjusts the current flowing through the shunt resistor to maintain the desired output voltage.

Detailed Application Field Plans

The TL431ACDBZR finds applications in various fields, including: 1. Power Supplies: Used as a voltage reference in linear and switching power supplies. 2. Battery Charging Systems: Provides precise voltage regulation for battery charging circuits. 3. Audio Amplifiers: Ensures stable biasing and accurate voltage levels in audio amplifier circuits. 4. Industrial Control Systems: Used for voltage monitoring and control in industrial automation systems. 5. Automotive Electronics: Provides voltage references for automotive electronic systems.

Detailed and Complete Alternative Models

Some alternative models to TL431ACDBZR include: - TL431BQDBZR - TL431AIDBZR - TLVH431AQDBZR - LM431ACM3X

These models offer similar functionality and can be used as drop-in replacements for TL431ACDBZR in many applications.

Word count: 314 words