ZR78L09GTA

Product Overview

Category

The ZR78L09GTA belongs to the category of voltage regulators.

Use

This product is primarily used for regulating voltage in electronic circuits.

Characteristics

• Input Voltage Range: 10V to 35V
• Output Voltage: 9V
• Maximum Output Current: 100mA
• Low Dropout Voltage: 0.5V (typical)
• Thermal Shutdown Protection
• Short Circuit Protection
• Overcurrent Protection

Package

The ZR78L09GTA comes in a TO-92 package, which is a small plastic encapsulated transistor-like package.

Essence

The essence of the ZR78L09GTA is its ability to provide a stable and regulated output voltage of 9V, regardless of variations in the input voltage.

Packaging/Quantity

The ZR78L09GTA is typically packaged in reels or tubes, containing a quantity of 1000 units per reel/tube.

Specifications

• Input Voltage Range: 10V to 35V
• Output Voltage: 9V
• Output Current: 100mA (maximum)
• Dropout Voltage: 0.5V (typical)
• Operating Temperature Range: -40°C to +125°C
• Package Type: TO-92
• Package Quantity: 1000 units per reel/tube

Detailed Pin Configuration

The ZR78L09GTA has three pins:

1. Input (IN): This pin is connected to the input voltage source.
2. Ground (GND): This pin is connected to the ground reference.
3. Output (OUT): This pin provides the regulated output voltage of 9V.

Functional Features

• Voltage Regulation: The ZR78L09GTA ensures a constant output voltage of 9V, even when the input voltage varies.
• Thermal Shutdown Protection: The device automatically shuts down if the temperature exceeds a certain threshold, protecting it from damage.
• Short Circuit Protection: In case of a short circuit, the ZR78L09GTA limits the output current to protect the circuitry.
• Overcurrent Protection: The device safeguards against excessive current flow, preventing damage to the connected components.

Advantages and Disadvantages

Advantages

• Stable Output Voltage: The ZR78L09GTA provides a reliable and constant 9V output voltage.
• Compact Size: The TO-92 package makes it suitable for space-constrained applications.
• Protection Features: The device offers thermal shutdown, short circuit, and overcurrent protection, enhancing system reliability.

Disadvantages

• Limited Output Current: The maximum output current of 100mA may not be sufficient for high-power applications.
• Dropout Voltage: The 0.5V dropout voltage can result in some power loss.

Working Principles

The ZR78L09GTA is a linear voltage regulator that uses a series pass transistor to regulate the output voltage. It compares the output voltage with a reference voltage and adjusts the pass transistor accordingly to maintain a stable 9V output.

Detailed Application Field Plans

The ZR78L09GTA finds applications in various electronic circuits where a regulated 9V voltage is required. Some common application areas include:

1. Power Supplies: It can be used in low-power DC power supplies to provide a stable 9V output.
2. Audio Amplifiers: The ZR78L09GTA can be employed in audio amplifiers to ensure a consistent voltage supply.
3. Microcontroller Systems: It can be utilized in microcontroller-based systems that require a regulated 9V voltage for proper operation.
4. Battery Charging Circuits: The voltage regulator can be integrated into battery charging circuits to maintain a constant voltage during the charging process.

Detailed and Complete Alternative Models

1. LM7809: This is a popular alternative model from Texas Instruments that provides a regulated 9V output with similar specifications.
2. MC78L09: Another alternative model from ON Semiconductor, offering a stable 9V output voltage.

These alternative models can be considered as substitutes for the ZR78L09GTA, providing similar functionality and performance.

Word count: 540 words