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LT1121

Part No LT1121
Manufacturer Linear Technology
Description Micropower Low Dropout Regulators with Shutdown
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ECAD Module
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Manufacturer Linear Technology
Win Source Part Number 1205114-LT1121
Manufacturer Homepage www.linear.com
Popularity Medium
Supply and Demand Status Limited
Application Field Used in Industrial, Portable Devices, Power Management
Ultra Librarian 3D Model Ultra Librarian LT1121 CAD Model

Description

Introducing the Linear Technology LT1121 Voltage Regulator

The LT1121 is a versatile and reliable low dropout voltage regulator from Linear Technology, designed to deliver high performance in a variety of applications. This regulator stands out for its low quiescent current, making it an ideal choice for battery-powered systems where power efficiency is a priority.

Key Features of the LT1121

  • Low Dropout Voltage: The LT1121 boasts a low dropout voltage of just 0.4V at a 100mA output current, ensuring efficient operation even when the input voltage is close to the output voltage.
  • Adjustable Output: With an output voltage range that can be set from 1.2V to 30V, the LT1121 offers exceptional flexibility, catering to a wide array of power requirements.
  • Low Quiescent Current: A standout feature of the LT1121 is its low quiescent current of just 30μA, which increases to only 60μA under full load conditions. This makes it an excellent choice for portable devices where extending battery life is crucial.
  • Stability: The device is stable with aluminum, tantalum, or ceramic capacitors, ensuring a stable output without the need for expensive, bulky capacitors.
  • Protection Features: The LT1121 comes with built-in protection features such as thermal shutdown, current limiting, and safe area protection, which contribute to the durability and reliability of the regulator under various conditions.

Applications

The LT1121's combination of low dropout performance and low quiescent current makes it suitable for a diverse range of applications. It is particularly well-suited for battery-operated equipment, including:

  • Portable Computers
  • Portable Instruments
  • Handheld Radios
  • Automotive Electronics
  • Avionics

In summary, the LT1121 from Linear Technology is a high-quality voltage regulator that offers efficient, stable, and reliable power management solutions for designers and engineers. Its low power consumption and flexible output options make it an excellent choice for both modern portable devices and more demanding electronic applications.

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