TL432AQDBZR

Product Overview

Category: Integrated Circuit (IC)

Use: Voltage Reference

Characteristics: - Adjustable precision shunt regulator - Low output voltage tolerance - High accuracy over temperature - Low dynamic impedance - Wide operating current range - Low quiescent current consumption

Package: SOT-23-3

Essence: The TL432AQDBZR is a voltage reference IC that provides a stable and accurate output voltage. It is commonly used in various electronic circuits where precise voltage references are required.

Packaging/Quantity: The TL432AQDBZR is available in a SOT-23-3 package, which is a small surface-mount package. It is typically sold in reels or tubes containing multiple units.

Specifications

• Output Voltage Range: 2.5V to 36V
• Initial Accuracy: ±0.5%
• Temperature Coefficient: 50ppm/°C
• Quiescent Current: 60µA
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The TL432AQDBZR has three pins:

1. REF: This pin is the voltage reference output.
2. ANODE: This pin is connected to the anode of an external Zener diode or a resistive divider.
3. CATHODE: This pin is connected to the cathode of an external Zener diode or a resistive divider.

Functional Features

• Adjustable Output Voltage: The TL432AQDBZR allows the user to adjust the output voltage within a specified range.
• Precision Shunt Regulator: It provides a stable and accurate output voltage by regulating the current flow through the external components.
• Low Dynamic Impedance: The TL432AQDBZR maintains a low dynamic impedance, ensuring stability even with varying load conditions.
• Wide Operating Current Range: It can operate with a wide range of input currents, making it suitable for various applications.
• Low Quiescent Current Consumption: The IC consumes low quiescent current, minimizing power consumption in standby or idle modes.

Advantages and Disadvantages

Advantages: - High accuracy over temperature - Adjustable output voltage - Small package size - Low dynamic impedance

Disadvantages: - Limited output voltage range (2.5V to 36V) - Requires external components for operation

Working Principles

The TL432AQDBZR works as a precision shunt regulator. It compares the reference voltage at the REF pin with the voltage across the external components connected to the ANODE and CATHODE pins. By adjusting the current flow through these components, the IC regulates the output voltage to maintain a stable and accurate reference.

Detailed Application Field Plans

The TL432AQDBZR is widely used in various electronic applications, including:

1. Voltage References: It provides a stable voltage reference for analog-to-digital converters, digital-to-analog converters, and other precision measurement circuits.
2. Power Supplies: It is used in power supply circuits to regulate the output voltage and improve overall system stability.
3. Battery Charging: The TL432AQDBZR helps control the charging voltage in battery charging circuits, ensuring safe and efficient charging.
4. Audio Amplifiers: It is employed in audio amplifier circuits to provide a stable bias voltage for improved audio performance.

Detailed and Complete Alternative Models

1. TL431AQDBZR: Similar to TL432AQDBZR but with a fixed output voltage of 2.5V.
2. LM4040CIZ-4.1: A precision shunt regulator with a fixed output voltage of 4.1V.
3. LT1009CZ-5: A precision reference IC with a fixed output voltage of 5V.

These alternative models offer different output voltages and may have additional features or specifications depending on the specific application requirements.

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