TL432CDBZT

Product Overview

Category: Integrated Circuits (ICs)

Use: Voltage References

Characteristics: - Adjustable Precision Shunt Regulator - Low Output Noise - High Accuracy - Low Temperature Drift - Wide Operating Range

Package: SOT-23-3

Essence: The TL432CDBZT is a precision shunt regulator that can be used to provide a stable reference voltage. It is commonly used in various electronic circuits where a precise voltage reference is required.

Packaging/Quantity: The TL432CDBZT 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

• Reference Voltage Range: 2.495V to 36V
• Initial Accuracy: ±0.5%
• Temperature Coefficient: 50ppm/°C
• Operating Temperature Range: -40°C to +85°C
• Maximum Cathode Current: 100mA

Detailed Pin Configuration

The TL432CDBZT has three pins:

1. Anode (A): This pin is connected to the anode of the internal reference diode.
2. Cathode (K): This pin is connected to the cathode of the internal reference diode and is also the output pin.
3. Reference (Ref): This pin is connected to the adjustable terminal of the internal reference diode.

Functional Features

• Adjustable Output Voltage: The TL432CDBZT allows for precise adjustment of the output voltage by connecting a resistor divider network to the reference pin.
• Low Output Noise: The integrated circuit provides a stable and low-noise reference voltage, making it suitable for applications requiring high accuracy.
• High Accuracy: With an initial accuracy of ±0.5%, the TL432CDBZT ensures precise voltage regulation.
• Low Temperature Drift: The temperature coefficient of 50ppm/°C minimizes output voltage variations with temperature changes.
• Wide Operating Range: The TL432CDBZT can operate within a wide voltage range, making it versatile for various applications.

Advantages and Disadvantages

Advantages: - Precise voltage regulation - Low output noise - High accuracy - Wide operating range - Small package size

Disadvantages: - Limited maximum cathode current (100mA)

Working Principles

The TL432CDBZT is based on the principle of a precision shunt regulator. It uses an internal reference diode to generate a stable voltage reference. By connecting a resistor divider network to the reference pin, the output voltage can be adjusted to the desired value. The TL432CDBZT compares the reference voltage with the input voltage and adjusts the current flowing through the shunt resistor to maintain a constant output voltage.

Detailed Application Field Plans

The TL432CDBZT is widely used in various electronic circuits that require a stable and precise voltage reference. Some common application areas include:

1. Power Supplies: The TL432CDBZT can be used as a voltage reference in power supply circuits to ensure stable and accurate output voltages.
2. Battery Management Systems: It is utilized in battery management systems to provide a reference voltage for monitoring battery charging and discharging levels.
3. Audio Amplifiers: The TL432CDBZT can be employed in audio amplifier circuits to maintain a stable bias voltage for improved audio performance.
4. Voltage Regulators: It is used in voltage regulator circuits to provide a stable reference voltage for regulating the output voltage.

Detailed and Complete Alternative Models

Some alternative models to the TL432CDBZT that offer similar functionality and characteristics include:

1. TL431CDBZR: This is a similar precision shunt regulator with adjustable output voltage and low temperature drift.
2. LM4040CIZ-4.1: It is a precision voltage reference with a fixed output voltage of 4.1V and high accuracy.
3. LT1009CZ-2.5: This is a precision reference voltage source with a fixed output voltage of 2.5V and low temperature drift.

These alternative models can be considered based on specific application requirements and design constraints.

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