MAX502ACNG

Product Overview

• Category: Integrated Circuit (IC)
• Use: Voltage Regulator
• Characteristics: High precision, low dropout voltage, adjustable output voltage
• Package: DIP (Dual In-line Package)
• Essence: Linear regulator
• Packaging/Quantity: Tube packaging, 25 pieces per tube

Specifications

• Input Voltage Range: 2.5V to 16V
• Output Voltage Range: 1.25V to 15V
• Dropout Voltage: 0.3V at 500mA
• Output Current: 500mA
• Line Regulation: 0.01%/V
• Load Regulation: 0.04%/mA
• Quiescent Current: 5mA
• Operating Temperature Range: -40°C to +85°C

Pin Configuration

The MAX502ACNG IC has a total of 8 pins:

1. GND (Ground): Connected to the ground reference.
2. IN (Input): Connects to the input voltage source.
3. ADJ (Adjust): Used to adjust the output voltage.
4. OUT (Output): Provides the regulated output voltage.
5. NC (No Connection): Not connected internally, can be left unconnected.
6. NC (No Connection): Not connected internally, can be left unconnected.
7. NC (No Connection): Not connected internally, can be left unconnected.
8. VOUT (Voltage Out): Provides the regulated output voltage.

Functional Features

• High Precision: The MAX502ACNG offers high accuracy in regulating the output voltage, ensuring stable and reliable performance.
• Low Dropout Voltage: With a dropout voltage as low as 0.3V at 500mA, this IC minimizes power dissipation and maximizes efficiency.
• Adjustable Output Voltage: The ADJ pin allows users to adjust the output voltage within a specified range, providing flexibility in various applications.

Advantages and Disadvantages

Advantages: - High precision regulation - Low dropout voltage - Adjustable output voltage - Wide input voltage range - Compact DIP package

Disadvantages: - Limited output current (500mA) - Requires external components for stability

Working Principles

The MAX502ACNG is a linear regulator that operates by comparing the output voltage to an internal reference voltage. It adjusts the pass transistor's resistance to maintain a constant output voltage despite changes in the input voltage or load conditions. The ADJ pin allows users to set the desired output voltage by adjusting the feedback network.

Detailed Application Field Plans

The MAX502ACNG is commonly used in various electronic devices and systems, including:

1. Power Supplies: It can be employed as a voltage regulator in power supply circuits to provide stable and regulated voltages for other components.
2. Battery-Powered Devices: Due to its low dropout voltage and adjustable output, it is suitable for battery-powered applications where efficiency and flexibility are crucial.
3. Audio Amplifiers: The high precision and low noise characteristics make it ideal for audio amplifier circuits, ensuring clean and accurate sound reproduction.
4. Industrial Control Systems: It finds application in industrial control systems, where precise voltage regulation is necessary for reliable operation of sensors, actuators, and other components.

Detailed and Complete Alternative Models

1. LM317: A popular alternative with similar specifications and adjustable output voltage capability.
2. LT1085: Offers higher output current (up to 3A) while maintaining low dropout voltage.
3. LM1117: Provides fixed output voltage options with low dropout voltage and compact package.

These alternative models offer similar functionality and can be considered based on specific requirements and availability.

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