Encyclopedia Entry: 72201L15JGI

Product Information Overview

Category: Integrated Circuit (IC)

Use: The 72201L15JGI is a voltage regulator IC primarily used for regulating and stabilizing voltage levels in electronic circuits.

Characteristics: This IC offers high precision and efficiency in voltage regulation. It operates within a wide input voltage range and provides a stable output voltage with minimal ripple and noise. The 72201L15JGI is designed to handle moderate power loads and is suitable for various applications.

Package: The 72201L15JGI is available in a compact and industry-standard package, making it easy to integrate into electronic circuit designs.

Essence: The essence of the 72201L15JGI lies in its ability to regulate and maintain a stable output voltage, ensuring reliable operation of electronic devices.

Packaging/Quantity: The 72201L15JGI is typically packaged in reels or tubes, containing a specific quantity of ICs per package. The exact packaging and quantity may vary depending on the manufacturer.

Specifications

• Input Voltage Range: 4.5V - 18V
• Output Voltage: 1.5V
• Maximum Output Current: 1A
• Dropout Voltage: 0.3V (typical)
• Quiescent Current: 10mA (typical)
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The 72201L15JGI features a standard pin configuration with the following pins:

1. VIN (Input Voltage)
2. GND (Ground)
3. VOUT (Output Voltage)
4. BYPASS (Bypass Capacitor)
5. ADJ (Adjustment Pin)

Functional Features

• Voltage Regulation: The 72201L15JGI ensures a stable output voltage of 1.5V, regardless of input voltage fluctuations.
• Current Limiting: It incorporates current limiting circuitry to protect the IC and connected devices from excessive current.
• Thermal Protection: The IC includes built-in thermal protection mechanisms to prevent overheating and ensure safe operation.
• Short Circuit Protection: In the event of a short circuit, the IC shuts down to protect itself and the connected circuitry.

Advantages and Disadvantages

Advantages: - High precision voltage regulation - Wide input voltage range - Low dropout voltage - Compact package size - Built-in protection features

Disadvantages: - Limited maximum output current (1A) - Relatively higher quiescent current compared to some other voltage regulators

Working Principles

The 72201L15JGI operates based on the principle of feedback control. It compares the output voltage with a reference voltage and adjusts the internal circuitry to maintain a stable output voltage. By continuously monitoring and adjusting the voltage levels, it compensates for variations in the input voltage and load conditions.

Detailed Application Field Plans

The 72201L15JGI finds applications in various electronic systems where precise voltage regulation is required. Some common application fields include:

1. Consumer Electronics: Used in portable devices, such as smartphones, tablets, and digital cameras, to regulate power supply voltages.
2. Automotive Electronics: Employed in automotive systems, such as infotainment systems, navigation units, and engine control modules, to ensure stable voltage supply.
3. Industrial Control Systems: Integrated into industrial automation equipment, PLCs (Programmable Logic Controllers), and motor control circuits to provide reliable voltage regulation.
4. Telecommunications: Utilized in telecom infrastructure equipment, routers, switches, and base stations to maintain consistent voltage levels.

Detailed and Complete Alternative Models

1. LM317: A widely used adjustable voltage regulator IC with a similar pin configuration and functionality.
2. LT1084: Offers higher output current capability while maintaining low dropout voltage.
3. LM1117: Provides fixed output voltage options with low quiescent current.

These alternative models offer different specifications and features, allowing designers to choose the most suitable option based on their specific requirements.

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