TL432BIDBZR

Product Overview

Category: Integrated Circuit (IC)

Use: Voltage Reference

Characteristics: - Adjustable precision shunt regulator - Low output voltage tolerance - High accuracy and stability over temperature - Wide operating current range - Low dynamic impedance - Fast turn-on response time

Package: SOT-23-3

Essence: The TL432BIDBZR is a voltage reference IC that provides a stable output voltage regardless of input voltage variations or load changes. It is commonly used in various electronic circuits where precise voltage references are required.

Packaging/Quantity: The TL432BIDBZR is available in a SOT-23-3 package, which consists of three pins. It is typically sold in reels containing a large quantity of units.

Specifications

• Reference Voltage Range: 2.495V to 36V
• Operating Current Range: 1mA to 100mA
• Temperature Range: -40°C to +85°C
• Output Voltage Tolerance: ±0.5%
• Dynamic Impedance: 0.22Ω (typical)
• Turn-On Response Time: 100ns (typical)

Detailed Pin Configuration

The TL432BIDBZR has three pins:

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

Functional Features

• Adjustable Output Voltage: The TL432BIDBZR allows users to set the desired output voltage by connecting external resistors.
• Precision Shunt Regulation: It maintains a constant voltage across the load by shunting excess current to the ground.
• Temperature Stability: The IC exhibits high accuracy and stability over a wide temperature range, making it suitable for various operating conditions.
• Low Dynamic Impedance: It ensures stable voltage regulation even with varying load currents.
• Fast Turn-On Response Time: The TL432BIDBZR quickly responds to changes in the input voltage or load, providing rapid voltage stabilization.

Advantages and Disadvantages

Advantages: - High precision and stability - Wide operating current range - Adjustable output voltage - Fast response time

Disadvantages: - Limited output voltage range (2.495V to 36V) - Requires external resistors for voltage adjustment

Working Principles

The TL432BIDBZR operates as a shunt regulator by comparing the reference voltage at the REF pin with the voltage across the load. If the load voltage exceeds the reference voltage, excess current is shunted to the ground through the cathode pin. This process maintains a constant voltage across the load, ensuring stable operation.

Detailed Application Field Plans

The TL432BIDBZR finds applications in various electronic systems that require precise voltage references. Some common application areas include:

1. Power Supplies: It is used in voltage regulators and power management circuits to provide stable reference voltages.
2. Battery Charging Systems: The IC ensures accurate voltage control during battery charging, preventing overcharging or undercharging.
3. Audio Amplifiers: It helps maintain a consistent bias voltage for audio amplifiers, improving sound quality and performance.
4. Instrumentation: The TL432BIDBZR is utilized in measurement devices where precise voltage references are crucial for accurate readings.

Detailed and Complete Alternative Models

1. LM431: Similar to TL432BIDBZR, but available in different package options.
2. TL431: Another adjustable precision shunt regulator with similar features.
3. LT1009: Precision reference IC with a fixed output voltage.

These alternative models offer similar functionality and can be used as substitutes for the TL432BIDBZR in various applications.

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