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Categories Integrated Circuits
Manufacturer STMicroelectronics
Packaging Reel - TR
Status Active
Purpose Step-Down
Topology Buck
Output Type Adjustable
Number of Outputs 1
Minimum Input Voltage 4V
Maximum Input Voltage 36V
Nominal Output Voltage (Min/Fixed) 1.235V
Maximum Output Voltage 35V
Output Current 2A
Frequency - Switching 500kHz
Synchronous Rectifier No
Temperature Range - Operating -40°C to 150°C (TJ)
Mounting SMD (SMT)
Case / Package 8-HSOP
Win Source Part Number 018252-L5973ADTR
Is this a common-used part? Yes
Popularity High
Supply and Demand Status Balance
Family Name L5973A
Introduction Date January 23, 2003
ECCN EAR99
Country of Origin China, Philippines, United States of America
Halogen Free Compliant
Estimated EOL Date 2028
Ultra Librarian 3D Model Ultra Librarian L5973ADTR CAD Model

Description

Overview of the L5973ADTR from STMicroelectronics

The L5973ADTR is a highly efficient step-down switching regulator produced by STMicroelectronics, a global semiconductor leader known for its innovative and reliable components. This particular device is part of their extensive range of power management integrated circuits, designed to provide stable and efficient power conversion in a variety of electronic applications.

Key Features

  • Adjustable Output Voltage: The L5973ADTR offers an adjustable output voltage that can be set from 1.235 V to 35 V, which allows for great flexibility in matching the voltage requirements of different loads.
  • High Output Current: This regulator is capable of delivering up to 2.5 A of output current, making it suitable for powering a wide range of devices, from microcontrollers to motors.
  • Efficiency: The device is designed for high efficiency, which not only saves energy but also reduces heat generation, enhancing system reliability and lifespan.
  • Thermal Shutdown and Current Limiting: Built-in thermal shutdown and current limiting protections safeguard the device and the system against excessive temperatures and overcurrent conditions.
  • Frequency Adjustment: The switching frequency can be adjusted up to 1 MHz, which allows optimization between efficiency and the size of external components.

Applications

The versatile nature of the L5973ADTR makes it an excellent choice for a variety of applications, including:

  • Switch-mode power supplies (SMPS)
  • Battery chargers
  • DC-DC converters in personal computers
  • Power supplies for DVD players and set-top boxes
  • Regulated power supplies for telecommunications and industrial systems

Package and Quality

The L5973ADTR is available in a compact and robust surface-mount package, ensuring a minimal footprint on the PCB while providing excellent thermal performance. STMicroelectronics' commitment to quality means that this regulator meets stringent industry standards for performance and reliability, making it a trusted choice for both commercial and industrial applications.

With its combination of adjustability, efficiency, and protection features, the L5973ADTR from STMicroelectronics stands out as a versatile and reliable solution for modern power supply designs.

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Pricing & Ordering

Quantity Unit Price Ext. Price
24+ $2.1508 $51.6192
57+ $1.7647 $100.5879
88+ $1.7096 $150.4448
121+ $1.6544 $200.1824
157+ $1.5993 $251.0901
210+ $1.4339 $301.1190
* Prices exclude shipping and taxes. Shipping costs are calculated at checkout.
Availability: 9,230 pieces
MOQ: 24 pcs
Order Increment : 1 piece
*Need More Quantity? *Request a Bulk Quantity Quotation?

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