TL432BSA-7

Product Overview

Category

The TL432BSA-7 belongs to the category of voltage references.

Use

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

Characteristics

• Provides stable and accurate voltage reference.
• Offers adjustable output voltage.
• Low temperature coefficient.
• High accuracy and line regulation.
• Low dynamic impedance.

Package

The TL432BSA-7 comes in a small SOT-23 package, which is suitable for surface mount applications.

Essence

This product serves as a voltage reference, ensuring a stable and precise voltage output in electronic circuits.

Packaging/Quantity

The TL432BSA-7 is typically packaged in reels or tubes, with quantities varying based on customer requirements.

Specifications

• Reference Voltage: 2.5V
• Output Voltage Range: 1.24V to 18V
• Operating Temperature Range: -40°C to +85°C
• Initial Accuracy: ±0.5%
• Sink Current Capability: 100mA

Detailed Pin Configuration

The TL432BSA-7 has three pins:

1. Cathode (K): Connected to the ground or reference voltage.
2. Anode (A): Connected to the input voltage.
3. Reference (REF): Provides the stable output voltage.

Functional Features

• Voltage Regulation: The TL432BSA-7 maintains a constant output voltage regardless of changes in input voltage or load conditions.
• Adjustable Output: By connecting external resistors, the output voltage can be adjusted within the specified range.
• Overcurrent Protection: The device includes internal current limiting to protect against excessive current flow.

Advantages and Disadvantages

Advantages

• High accuracy and stability.
• Wide operating temperature range.
• Adjustable output voltage.
• Small package size for space-constrained applications.

Disadvantages

• Limited sink current capability.
• Requires external resistors for voltage adjustment.

Working Principles

The TL432BSA-7 operates as a shunt regulator, maintaining a constant output voltage by shunting excess current to the ground. It compares the reference voltage with the input voltage and adjusts the shunt current accordingly.

Detailed Application Field Plans

The TL432BSA-7 finds applications in various electronic systems, including: 1. Power supplies: Provides stable voltage references for power management circuits. 2. Battery charging circuits: Ensures accurate voltage regulation during battery charging. 3. Audio amplifiers: Maintains precise biasing voltages for audio amplifier stages. 4. Voltage regulators: Used as a precision voltage reference in linear voltage regulators.

Detailed and Complete Alternative Models

Some alternative models to the TL432BSA-7 include: - TL431B: Similar functionality but with a different pin configuration. - LM4040: Offers fixed voltage references with different output voltages. - LT1236: Precision shunt voltage reference with higher accuracy and lower temperature coefficient.

In conclusion, the TL432BSA-7 is a versatile voltage reference device that provides stable and accurate voltage regulation in various electronic circuits. Its adjustable output voltage, small package size, and wide operating temperature range make it suitable for a range of applications. However, its limited sink current capability and the need for external resistors for voltage adjustment should be considered when selecting this product.