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Categories Integrated Circuits
Manufacturer Linear Technology
Packaging Tube/Rail
Status Active
Topology Step-Down (Buck) Synchronous (1), Linear (LDO) (2)
Purpose Any Function
Number of Outputs 3
Frequency - Switching 2.25MHz
Voltage/Current - Output 1 Adj to 0.8V, 1A
Voltage/Current - Output 2 Adj to 0.4V, 300mA
Voltage/Current - Output 3 Adj to 0.4V, 300mA
w/LED Driver No
w/Supervisor No
w/Sequencer No
Supply Voltage - Operating 0.9 V to 5.5 V
Temperature Range - Operating -40°C to 85°C
Mounting SMD (SMT)
Case / Package 14-DFN (4x3)
Win Source Part Number 303342-LTC3446EDE
Ultra Librarian 3D Model Ultra Librarian LTC3446EDE#PBF CAD Model

Description

The LTC3446EDE#PBF is a high-efficiency, synchronous buck regulator from Linear Technology, designed to deliver exceptional performance for a wide range of applications. With its compact and robust design, this power management integrated circuit (PMIC) is ideal for portable devices, where space is at a premium and power efficiency is crucial.

Key Features

  • High Efficiency: The LTC3446EDE#PBF offers up to 95% efficiency, which helps to extend battery life in portable applications.
  • Wide Input Voltage Range: This regulator operates from an input voltage range of 2.5V to 5.5V, making it versatile for various power sources.
  • Adjustable Output Voltage: Users can adjust the output voltage from 0.6V to VIN, providing flexibility for different power requirements.
  • Low Quiescent Current: Its low quiescent current is beneficial for battery-powered devices, as it minimizes power drain when in standby mode.
  • Fast Transient Response: The device's fast transient response ensures stable operation during sudden changes in load, which is critical for maintaining performance.
  • Thermal Protection: Built-in thermal protection safeguards the device from overheating, enhancing its reliability and longevity.
  • Compact Package: The LTC3446EDE#PBF is offered in a 14-lead DFN package, which is ideal for space-constrained applications.

Applications

The versatility of the LTC3446EDE#PBF makes it suitable for a variety of applications, including but not limited to:

  • Handheld Devices
  • Portable Media Players
  • Wireless Modems
  • Battery-Powered Equipment
  • Point-of-Sale Devices

Conclusion

The LTC3446EDE#PBF from Linear Technology is a top-of-the-line synchronous buck regulator that offers excellent efficiency, a wide input voltage range, and a flexible, adjustable output. Its compact size and comprehensive protection features make it an ideal choice for designers looking to enhance the power management capabilities of their portable and space-sensitive applications.

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