TL432AIL3T

Product Overview

Category: Integrated Circuit (IC)

Use: Voltage Reference

Characteristics: - Low voltage shunt regulator - Adjustable output voltage - Precision reference voltage source - High accuracy and stability - Low dynamic impedance - Low temperature coefficient - Wide operating temperature range

Package: SOT-23-3

Essence: The TL432AIL3T is a voltage reference IC that provides a stable and precise reference voltage for various electronic applications.

Packaging/Quantity: The TL432AIL3T is typically sold in reels of 3000 units.

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)
• Line Regulation: 0.2% (typical)
• Load Regulation: 0.4% (typical)

Detailed Pin Configuration

The TL432AIL3T is a three-pin device with the following pin configuration:

1. REF: Reference Voltage Output
2. Anode: Anode Terminal
3. Cathode: Cathode Terminal

Functional Features

• Voltage Reference: The TL432AIL3T provides a stable and accurate reference voltage that can be adjusted according to the application requirements.
• Shunt Regulator: It acts as a shunt regulator by maintaining a constant voltage drop across its terminals, ensuring a stable output voltage.
• Low Dynamic Impedance: The device exhibits low dynamic impedance, allowing it to provide a stable output voltage even under varying load conditions.
• Temperature Compensation: The TL432AIL3T incorporates temperature compensation techniques to minimize variations in the reference voltage over a wide temperature range.
• Wide Operating Range: It can operate over a wide temperature range, making it suitable for various industrial and automotive applications.

Advantages

• High accuracy and stability
• Adjustable output voltage
• Low temperature coefficient
• Wide operating temperature range
• Small package size (SOT-23-3)
• Easy to use and integrate into electronic circuits

Disadvantages

• Limited output current capability (up to 100mA)
• Dropout voltage of 0.6V may not be suitable for low-power applications with tight power supply constraints

Working Principles

The TL432AIL3T operates as a shunt regulator by maintaining a constant voltage drop across its terminals. It compares the reference voltage at the REF pin with the voltage applied at the Anode terminal. The device adjusts the current flowing through the Cathode terminal to maintain a stable output voltage. By adjusting the resistive divider connected to the REF pin, the output voltage can be set to the desired value within the specified range.

Detailed Application Field Plans

The TL432AIL3T is widely used in various electronic applications, including:

1. Voltage regulators
2. Power supplies
3. Battery chargers
4. Audio amplifiers
5. Industrial control systems
6. Automotive electronics
7. LED lighting systems
8. Test and measurement equipment

Detailed and Complete Alternative Models

Some alternative models that can be considered as alternatives to the TL432AIL3T are:

1. TL431AILP: Similar functionality and characteristics, but available in a different package (TO-92).
2. LM4040CIM3-2.5: Precision voltage reference with fixed output voltage of 2.5V.
3. LT1236ACS8-10: Ultra-high precision voltage reference with a fixed output voltage of 10V.

These alternative models offer similar features and can be used as substitutes depending on the specific requirements of the application.

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