TL432AQDBVR

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 - Small package size

Package: SOT-23-5

Essence: The TL432AQDBVR 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 TL432AQDBVR is available in tape and reel packaging, with 3000 units per reel.

Specifications

• Output Voltage Range: 2.495V to 36V
• Initial Accuracy: ±1%
• Temperature Coefficient: 50ppm/°C
• Operating Current Range: 100µA to 100mA
• Dynamic Impedance: 0.22Ω
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The TL432AQDBVR has five pins arranged as follows:

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Pin 1: Anode (A) Pin 2: Cathode (K) Pin 3: NC (No Connection) Pin 4: Reference Voltage (Vref) Pin 5: Adjust (ADJ)

Functional Features

• Adjustable Output Voltage: The TL432AQDBVR allows the user to adjust the output voltage within a specified range.
• Precision Voltage Reference: Provides a stable and accurate reference voltage for other components in the circuit.
• Low Output Voltage Tolerance: Ensures minimal deviation from the desired output voltage.
• High Accuracy Over Temperature: Maintains accuracy even in varying temperature conditions.
• Low Dynamic Impedance: Provides stable performance under varying load conditions.
• Wide Operating Current Range: Can be used in circuits with a wide range of current requirements.
• Small Package Size: The SOT-23-5 package allows for compact and space-efficient designs.

Advantages and Disadvantages

Advantages: - Adjustable output voltage provides flexibility in circuit design. - High accuracy and low output voltage tolerance ensure precise voltage references. - Wide operating current range allows for versatile applications. - Small package size enables compact circuit designs.

Disadvantages: - Limited to voltage reference applications. - Not suitable for high-power applications due to its small package size and limited current handling capability.

Working Principles

The TL432AQDBVR operates as a precision shunt regulator. It compares the reference voltage (Vref) at pin 4 with the adjustable voltage (ADJ) at pin 5. By adjusting the ADJ pin voltage, the output voltage can be set within the specified range. The TL432AQDBVR maintains a stable output voltage by regulating the current flow through the shunt resistor.

Detailed Application Field Plans

The TL432AQDBVR is commonly used in various electronic circuits that require precise voltage references. Some typical application fields include:

1. Power Supply Regulation: The TL432AQDBVR can be used to regulate the output voltage of power supplies, ensuring a stable and accurate voltage for other components.
2. Battery Charging: It can be employed in battery charging circuits to maintain a constant voltage during the charging process.
3. Voltage Monitoring: The TL432AQDBVR can be used to monitor voltage levels in different parts of a circuit, triggering actions based on specific voltage thresholds.
4. Audio Amplifiers: It can be utilized in audio amplifier circuits to provide a stable reference voltage for biasing and signal processing stages.

Detailed and Complete Alternative Models

1. TL431AQDBZR: Similar to the TL432AQDBVR, but with a different package (SOT-23-3).
2. TLV431AQDBZR: A low-voltage version of the TL432AQDBVR, suitable for applications requiring lower output voltages.
3. LM4040AIM3-2.5/NOPB: A precision voltage reference IC with fixed output voltage of 2.5V.

These alternative models offer similar functionality and can be used as substitutes depending on specific requirements.

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