AS1973-T

Product Overview

• Category: Integrated Circuit
• Use: Power Management
• Characteristics: High Efficiency, Low Power Consumption
• Package: TO-220
• Essence: Voltage Regulator
• Packaging/Quantity: Tape and Reel, 1000 units per reel

Specifications

• Input Voltage Range: 4.5V to 40V
• Output Voltage Range: 1.2V to 37V
• Maximum Output Current: 3A
• Dropout Voltage: 1.2V (typical)
• Line Regulation: ±0.02% (typical)
• Load Regulation: ±0.1% (typical)
• Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

The AS1973-T has a standard TO-220 package with three pins:

1. Pin 1: Vin (Input Voltage)
2. Pin 2: Vout (Output Voltage)
3. Pin 3: GND (Ground)

Functional Features

• High efficiency power conversion
• Low power consumption in standby mode
• Overcurrent protection
• Thermal shutdown protection
• Adjustable output voltage
• Fast transient response

Advantages and Disadvantages

Advantages

• Wide input voltage range allows for versatile applications
• Excellent line and load regulation ensures stable output voltage
• Compact TO-220 package enables easy integration into various systems
• Efficient power conversion reduces energy waste
• Overcurrent and thermal protection enhance system reliability

Disadvantages

• Limited maximum output current may not be suitable for high-power applications
• Dropout voltage of 1.2V may restrict usage in low voltage scenarios

Working Principles

The AS1973-T is a voltage regulator that maintains a stable output voltage regardless of variations in the input voltage or load conditions. It utilizes a feedback mechanism to continuously adjust the internal circuitry and ensure the desired output voltage is maintained.

Detailed Application Field Plans

The AS1973-T is commonly used in various electronic devices and systems, including:

1. Automotive applications: Powering infotainment systems, lighting modules, and sensors.
2. Industrial equipment: Providing regulated power for control systems, motor drives, and communication modules.
3. Consumer electronics: Used in audio/video equipment, home appliances, and portable devices.
4. Telecommunications: Powering network equipment, routers, and base stations.
5. Renewable energy systems: Regulating voltage in solar panels, wind turbines, and battery charging systems.

Detailed and Complete Alternative Models

1. AS1974-T: Similar specifications with higher maximum output current (5A).
2. AS1975-T: Adjustable output voltage range from 0.8V to 37V.
3. AS1976-T: Enhanced thermal management for improved performance in high-temperature environments.

These alternative models offer similar functionality to the AS1973-T but cater to specific requirements or provide additional features.

In conclusion, the AS1973-T is a versatile voltage regulator with excellent efficiency and low power consumption. Its wide application field, compact package, and reliable performance make it a popular choice in various industries.