• L5973D PowerSO-8
L5973D PowerSO-8

L5973D

Conv DC-DC 4V to 36V Synchronous Step Down Single-Out 1.235V to 35V 2.5A 8-Pin HSOP EP Tube

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  • Part Number : L5973D

  • Package/Case : PowerSO-8

  • Brands : ST

  • Components Categories : Voltage Regulators - DC DC Switching Regulators

  • Datesheet : L5973D DataSheet (PDF)

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Overview of L5973D

The L5973D is a step-down switching regulator IC designed for use in power management applications.This IC provides a high-efficiency solution for converting high input voltages to lower output voltages, making it suitable for various electronic devices and systems.

Pinout

(Note: The pin configuration below is a general representation. Refer to the specific datasheet for precise details.)

  • VIN: Input Voltage
  • VOUT: Output Voltage
  • EN: Enable Pin
  • FB: Feedback Pin
  • GND: Ground Connection
  • SS/TRK: Soft-Start/Tracking
  • COMP: Compensation Pin
  • PGND: Power Ground
  • SW: Switching Node
  • SENSE: Current Sense
  • VCC: Power Supply

Circuit Diagram

Include a circuit diagram illustrating the connections and operation of the L5973D IC for a visual representation.

Key Features

  • High Efficiency: The L5973D offers high efficiency in converting voltages, reducing power loss and heat generation.
  • Wide Input Voltage Range: This IC can accept a wide range of input voltages, making it versatile for different power sources.
  • Adjustable Output Voltage: The output voltage of the L5973D can be adjusted to suit specific application requirements.
  • Overcurrent Protection: Includes overcurrent protection features to safeguard the IC and connected components.
  • Low Dropout Voltage: The L5973D maintains a low dropout voltage even at high output currents, ensuring stable performance.

Note: For detailed technical specifications, please refer to the L5973D datasheet.

Application

  • Power Management: Ideal for power management applications in electronic devices, providing stable and efficient power conversion.
  • DC-DC Converters: Suitable for use in DC-DC converter circuits for voltage regulation and power distribution.
  • Battery-Powered Devices: Can be used in battery-powered devices to regulate and optimize power usage.

Functionality

The L5973D is a step-down switching regulator that efficiently converts input voltages to lower output voltages, ensuring reliable power supply for electronic systems.

Usage Guide

  • Input Voltage: Connect the VIN pin to the input voltage source.
  • Output Voltage: Adjust the output voltage using the feedback and compensation pins.
  • Enable Control: Enable or disable the regulator using the EN pin.

Frequently Asked Questions

Q: What is the efficiency of the L5973D?
A: The L5973D offers high efficiency, typically above 90%, in voltage conversion applications.

Q: Is the L5973D suitable for automotive electronics?
A: Yes, the L5973D can be used in automotive electronics due to its wide input voltage range and robust features.

Equivalent

For similar functionalities, consider these alternatives to the L5973D:

  • LM2576: A step-down switching regulator IC from Texas Instruments with adjustable output voltage and high efficiency.
  • MP2307: This IC from MPS offers similar step-down regulation capabilities with a wide input voltage range and compact size.
  • LT1763: A low dropout regulator IC from Linear Technology that provides stable output voltage with low dropout voltage characteristics.

L5973D

Specifications

The followings are basic parameters of the part selected concerning the characteristics of the part and categories it belongs to.

Input Voltage Min Volt 4.0 Input Voltage Max Volt 36.0
Operating Temp Min Celsius -40.0 Operating Temp Max Celsius 150.0
ECCN US EAR99 ECCN EU NEC
Packing Type Tube RoHs compliant Ecopack2
Grade Industrial Package Name PowerSO-8

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Warranty, Returns, and Additional Information

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    Parts Quality Guarantee: 365 days

    Returns for refund: within 90 days

    Returns for Exchange: within 90 days

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