AS78L05ZTR-E1

Product Overview

• Category: Voltage Regulator
• Use: To regulate and stabilize voltage in electronic circuits
• Characteristics: Low dropout, high accuracy, compact size
• Package: TO-252 (DPAK)
• Essence: Linear voltage regulator
• Packaging/Quantity: Tape and reel, 2500 units per reel

Specifications

• Input Voltage: Up to 35V
• Output Voltage: 5V
• Output Current: Up to 100mA
• Dropout Voltage: 2V (maximum)
• Line Regulation: ±0.2% (typical)
• Load Regulation: ±0.4% (typical)
• Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

The AS78L05ZTR-E1 has three pins:

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

Functional Features

• Voltage Regulation: The AS78L05ZTR-E1 maintains a constant 5V output voltage regardless of changes in input voltage or load conditions.
• Low Dropout: With a maximum dropout voltage of 2V, the regulator can operate efficiently even when the input voltage is close to the desired output voltage.
• High Accuracy: The device offers excellent voltage regulation with low line and load regulation values.
• Compact Size: The TO-252 package provides a small form factor suitable for space-constrained applications.

Advantages and Disadvantages

Advantages: - Stable and accurate voltage regulation - Low dropout voltage allows efficient operation - Compact size for easy integration into circuits - Wide operating temperature range

Disadvantages: - Limited output current capacity (up to 100mA) - Not suitable for high-power applications

Working Principles

The AS78L05ZTR-E1 is a linear voltage regulator that uses a series pass transistor to regulate the output voltage. It compares the reference voltage with the feedback voltage and adjusts the pass transistor accordingly to maintain a constant output voltage.

Detailed Application Field Plans

The AS78L05ZTR-E1 is commonly used in various electronic devices and circuits, including:

1. Consumer Electronics: Powering microcontrollers, sensors, and other low-power components.
2. Automotive: Providing stable voltage for automotive electronics such as infotainment systems, lighting controls, and sensors.
3. Industrial Control Systems: Regulating voltage in control panels, PLCs, and industrial automation equipment.
4. Telecommunications: Used in communication devices, routers, and network switches.
5. Medical Devices: Powering medical instruments and monitoring equipment.

Detailed and Complete Alternative Models

1. LM7805: A widely used linear voltage regulator with similar specifications and pin configuration.
2. MC78L05: Another popular choice for low-power voltage regulation.
3. NCP1117: A higher current variant suitable for applications requiring more than 100mA output current.

These alternative models offer similar functionality and can be used as replacements for the AS78L05ZTR-E1 depending on specific requirements.

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