ZTL431AE5TA

Product Overview

Category

ZTL431AE5TA belongs to the category of voltage references.

Use

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

Characteristics

• Provides a stable reference voltage for precise voltage regulation.
• Offers high accuracy and low temperature coefficient.
• Operates over a wide range of input voltages.
• Can be easily adjusted to obtain desired output voltage levels.

Package

ZTL431AE5TA is available in a small surface-mount SOT-23 package.

Essence

The essence of ZTL431AE5TA lies in its ability to maintain a constant reference voltage regardless of changes in input voltage or load conditions.

Packaging/Quantity

ZTL431AE5TA is typically packaged in reels containing 3000 units.

Specifications

• Reference Voltage: 2.5V
• Input Voltage Range: 6V to 36V
• Output Current: Up to 100mA
• Temperature Coefficient: ±50ppm/°C
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

ZTL431AE5TA features three pins:

1. Cathode (K): Connected to the ground or negative terminal of the circuit.
2. Anode (A): Connected to the positive terminal of the circuit.
3. Reference (R): Provides the stable reference voltage.

Functional Features

• Precise Voltage Regulation: ZTL431AE5TA ensures a stable output voltage, making it suitable for applications requiring accurate voltage control.
• Adjustable Output Voltage: The reference voltage can be easily adjusted using external resistors, allowing flexibility in design.
• Low Power Consumption: It consumes minimal power, making it energy-efficient.
• Short Circuit Protection: ZTL431AE5TA incorporates built-in protection against short circuits, enhancing the safety and reliability of the circuit.

Advantages and Disadvantages

Advantages

• High accuracy and low temperature coefficient ensure precise voltage regulation.
• Wide input voltage range allows for versatile applications.
• Easy to adjust output voltage according to specific requirements.
• Small package size enables space-saving designs.

Disadvantages

• Limited output current capacity may restrict its use in high-power applications.
• Requires external resistors for voltage adjustment, adding complexity to the circuit design.

Working Principles

ZTL431AE5TA operates based on the principle of a shunt regulator. It compares the reference voltage at the Reference (R) pin with the voltage across the cathode (K) and anode (A) pins. By adjusting the current flowing through the device, it maintains a constant voltage drop across the reference pin, resulting in a stable output voltage.

Detailed Application Field Plans

ZTL431AE5TA finds applications in various fields, including:

1. Power Supplies: It is used in voltage regulators and power management circuits to maintain stable output voltages.
2. Battery Charging Systems: ZTL431AE5TA ensures accurate voltage control during battery charging, preventing overcharging or undercharging.
3. Audio Amplifiers: It provides precise biasing and voltage stabilization in audio amplifier circuits, enhancing audio quality.
4. Instrumentation: ZTL431AE5TA is utilized in measurement and control systems where accurate voltage references are crucial.

Detailed and Complete Alternative Models

Some alternative models to ZTL431AE5TA include:

1. TL431: A widely used adjustable precision shunt regulator with similar characteristics.
2. LM4040: A series of precision voltage references available in different voltage options.
3. REF3030: A low-power, high-precision voltage reference suitable for various applications.

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

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