AZ78L09ZTR-G1

Product Overview

• Category: Integrated Circuit (IC)
• Use: Voltage Regulator
• Characteristics: Low Dropout, Positive Fixed Voltage Regulator
• Package: TO-252-2 (DPAK)
• Essence: This IC is designed to provide a fixed positive voltage output with low dropout voltage. It is commonly used in various electronic devices to regulate and stabilize the input voltage.
• Packaging/Quantity: Available in tape and reel packaging, with 2500 units per reel.

Specifications

• Input Voltage Range: 10V to 35V
• Output Voltage: 9V
• Output Current: Up to 100mA
• Dropout Voltage: 1.5V (maximum)
• Operating Temperature Range: -40°C to +125°C
• Line Regulation: ±0.2% (typical)
• Load Regulation: ±0.4% (typical)
• Quiescent Current: 5mA (maximum)

Detailed Pin Configuration

The AZ78L09ZTR-G1 IC has three pins:

1. Input Pin (VIN): Connects to the input voltage source.
2. Ground Pin (GND): Connected to the ground reference.
3. Output Pin (VOUT): Provides the regulated output voltage.

Functional Features

• Low Dropout Voltage: The AZ78L09ZTR-G1 has a low dropout voltage, ensuring efficient regulation even when the input voltage is close to the desired output voltage.
• Short Circuit Protection: The IC includes built-in short circuit protection, safeguarding the device and connected components from damage in case of a short circuit.
• Thermal Overload Protection: It incorporates thermal overload protection, preventing excessive heat buildup and ensuring safe operation even under high ambient temperatures.
• Stable Output Voltage: The IC provides a stable 9V output voltage, minimizing fluctuations and ensuring reliable performance of the connected circuitry.

Advantages

• Compact size and easy integration into various electronic devices.
• Low dropout voltage allows for efficient regulation.
• Built-in short circuit and thermal overload protection enhance device reliability.
• Stable output voltage ensures consistent performance.

Disadvantages

• Limited output current capacity (up to 100mA).
• Not suitable for applications requiring higher output voltages.

Working Principles

The AZ78L09ZTR-G1 operates based on the principle of linear voltage regulation. It utilizes an internal voltage reference and feedback mechanism to maintain a constant output voltage, regardless of variations in the input voltage or load conditions. The IC adjusts its internal circuitry to provide the necessary voltage drop across its internal components, ensuring a stable output voltage of 9V.

Detailed Application Field Plans

The AZ78L09ZTR-G1 is widely used in various electronic devices and applications, including:

1. Consumer Electronics: Used in portable audio players, digital cameras, and handheld gaming devices to regulate power supply voltages.
2. Automotive Electronics: Employed in automotive infotainment systems, GPS navigation devices, and dashboard displays to ensure stable voltage supply.
3. Industrial Control Systems: Integrated into industrial automation equipment, motor control circuits, and sensor interfaces to provide regulated power.
4. Telecommunications: Utilized in networking equipment, routers, and modems to regulate voltage levels for reliable operation.

Detailed and Complete Alternative Models

1. LM7809: A popular alternative from Texas Instruments with similar specifications and pin configuration.
2. MC78L09: An alternative from ON Semiconductor offering comparable performance and compatibility.
3. NCP7809: Another alternative from ON Semiconductor, providing a fixed 9V output voltage with low dropout.

(Note: This is not an exhaustive list, and there are several other alternatives available in the market.)

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