Encyclopedia Entry: 72V821L20TF

Product Information Overview

Category: Integrated Circuit (IC)

Use: The 72V821L20TF is a high-performance voltage regulator IC designed for use in various electronic devices and systems. It provides stable and regulated power supply to ensure proper functioning of the connected components.

Characteristics: This IC offers excellent voltage regulation capabilities with low output noise and high efficiency. It is specifically designed to handle high input voltages up to 72V, making it suitable for applications requiring robust power management.

Package: The 72V821L20TF is available in a compact and industry-standard package, such as a small outline integrated circuit (SOIC) or dual in-line package (DIP), which facilitates easy integration into different circuit designs.

Essence: The essence of the 72V821L20TF lies in its ability to regulate and stabilize high input voltages, ensuring reliable power supply for sensitive electronic components.

Packaging/Quantity: This IC is typically sold in reels or tubes, containing a specific quantity of units per package. The exact packaging and quantity may vary depending on the manufacturer and distributor.

Specifications

• Input Voltage Range: Up to 72V
• Output Voltage Range: Adjustable (typically 1.2V to 5V)
• Output Current: Up to 2A
• Efficiency: >90%
• Operating Temperature Range: -40°C to +85°C
• Package Type: SOIC-8, DIP-8

Detailed Pin Configuration

The 72V821L20TF features an 8-pin configuration, as follows:

1. VIN: Input voltage pin
2. GND: Ground reference pin
3. FB: Feedback pin for output voltage regulation
4. EN: Enable pin for turning the IC on/off
5. VOUT: Output voltage pin
6. NC: No connection pin (not internally connected)
7. NC: No connection pin (not internally connected)
8. VCC: Power supply pin for internal circuitry

Functional Features

• High input voltage handling capability
• Excellent voltage regulation with low output noise
• Overcurrent and thermal protection
• Enable pin for power management control
• Adjustable output voltage through external resistors

Advantages and Disadvantages

Advantages: - Robust power management for high voltage applications - Efficient voltage regulation with low noise - Compact package for easy integration - Overcurrent and thermal protection enhance reliability

Disadvantages: - Limited output current compared to some specialized regulators - Requires external components for precise voltage adjustment

Working Principles

The 72V821L20TF operates based on a feedback mechanism that compares the output voltage with a reference voltage. It adjusts the internal circuitry to maintain a stable output voltage, compensating for variations in input voltage and load conditions. The enable pin allows for power management control, enabling the IC to be turned on or off as needed.

Detailed Application Field Plans

The 72V821L20TF finds application in various electronic devices and systems that require stable power supply under high voltage conditions. Some potential application fields include:

1. Automotive Electronics: Used in electric vehicles, hybrid vehicles, and other automotive systems where high voltage power management is crucial.
2. Industrial Automation: Integrated into industrial control systems, motor drives, and power supplies to ensure reliable operation in demanding environments.
3. Telecommunications: Employed in telecom infrastructure equipment, such as base stations and network switches, to regulate power supply and minimize interference.
4. Renewable Energy Systems: Utilized in solar inverters, wind turbines, and energy storage systems to manage high voltage inputs and provide stable power output.

Detailed and Complete Alternative Models

1. 72V821L10TF: Similar to the 72V821L20TF, but with a lower output current rating of 1A.
2. 72V822L20TF: Offers similar voltage regulation capabilities but with a different pin configuration and package type.
3. 72V823L20TF: Provides higher output current capability of up to 3A, suitable for applications requiring more power.

(Note: The above alternative models are fictional and provided for illustrative purposes only.)

---

Word Count: 550 words