STMicroelectronics
Obrázek může být reprezentace.
Viz Specifikace pro podrobnosti o produktu.
L5973D
Zobrazit detail DataSheets

L5973D

Product Overview

Category

L5973D belongs to the category of voltage regulators.

Use

It is commonly used for regulating voltage in electronic circuits.

Characteristics

  • High efficiency
  • Low dropout voltage
  • Wide input voltage range
  • Overcurrent and thermal protection

Package

L5973D is available in a compact and industry-standard TO-220 package.

Essence

The essence of L5973D lies in its ability to provide stable and regulated voltage output for various electronic applications.

Packaging/Quantity

L5973D is typically sold in reels or tubes, with each reel/tube containing a specific quantity of the product.

Specifications

  • Input Voltage Range: 4.5V to 36V
  • Output Voltage Range: 1.2V to 35V
  • Maximum Output Current: 2A
  • Dropout Voltage: 0.6V (typical)
  • Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

L5973D has the following pin configuration:

  1. VIN: Input voltage pin
  2. GND: Ground pin
  3. VOUT: Output voltage pin
  4. ADJ: Adjustable pin for setting the output voltage

Functional Features

  • Adjustable output voltage
  • Overcurrent protection
  • Thermal shutdown protection
  • Fast transient response
  • Low quiescent current

Advantages and Disadvantages

Advantages

  • High efficiency leads to reduced power dissipation
  • Wide input voltage range allows for versatile applications
  • Overcurrent and thermal protection ensure device safety
  • Compact TO-220 package facilitates easy integration into circuits

Disadvantages

  • Limited maximum output current of 2A may not be suitable for high-power applications
  • Dropout voltage of 0.6V may result in slightly reduced efficiency in low input voltage scenarios

Working Principles

L5973D operates based on the principle of a linear voltage regulator. It takes an input voltage and regulates it to a desired output voltage level using a feedback mechanism. The internal circuitry of L5973D ensures stable output voltage even with varying input voltage and load conditions.

Detailed Application Field Plans

L5973D finds applications in various fields, including but not limited to: - Power supplies for consumer electronics - Automotive electronics - Industrial control systems - Telecommunications equipment - LED lighting systems

Detailed and Complete Alternative Models

Some alternative models that can be considered as alternatives to L5973D are: - LM317 - LT1083 - LM7805 - LM1117

These models offer similar functionality and can be used as substitutes depending on specific requirements.

In conclusion, L5973D is a versatile voltage regulator with high efficiency, wide input voltage range, and various protection features. Its compact package and adjustable output voltage make it suitable for a wide range of electronic applications. However, its limited maximum output current and dropout voltage should be taken into consideration when selecting it for high-power or low input voltage scenarios.

Seznam 10 běžných otázek a odpovědí souvisejících s aplikací L5973D v technických řešeních

Sure! Here are 10 common questions and answers related to the application of L5973D in technical solutions:

  1. Q: What is L5973D? A: L5973D is a high-efficiency step-down switching regulator IC (integrated circuit) commonly used in power supply applications.

  2. Q: What is the input voltage range of L5973D? A: The input voltage range of L5973D is typically between 4.5V and 36V.

  3. Q: What is the output voltage range of L5973D? A: The output voltage range of L5973D can be adjusted from 1.235V to 35V.

  4. Q: What is the maximum output current of L5973D? A: The maximum output current of L5973D is 3A.

  5. Q: What is the efficiency of L5973D? A: L5973D has a high efficiency, typically up to 95%, making it suitable for various power supply applications.

  6. Q: Can L5973D operate in a wide temperature range? A: Yes, L5973D is designed to operate in a wide temperature range, typically from -40°C to 125°C.

  7. Q: Does L5973D have built-in protection features? A: Yes, L5973D includes various protection features such as thermal shutdown, overcurrent protection, and short-circuit protection.

  8. Q: Is L5973D easy to use in a circuit design? A: Yes, L5973D is relatively easy to use in a circuit design due to its simple external component requirements and adjustable output voltage.

  9. Q: Can L5973D be used in battery-powered applications? A: Yes, L5973D can be used in battery-powered applications as it supports low-power operation and has a low quiescent current.

  10. Q: What are some typical applications of L5973D? A: Some typical applications of L5973D include power supplies for industrial equipment, consumer electronics, LED lighting, and automotive systems.

Please note that the answers provided here are general and may vary depending on specific datasheet specifications and application requirements.