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LTC3444EDD#PBF

Part No LTC3444EDD#PBF
Manufacturer Linear Technology
Catalog PMIC - Voltage Regulators - Special Purpose
Description IC DC/DC CONV WCDMA 8-DFN
Datasheet
Sample
Rohs State rohs
ECAD Module
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Categories Integrated Circuits
Manufacturer Linear Technology
Packaging Tube/Rail
Status Active
Applications Converter, WCDMA Power Amplifier Applications
Voltage - Input 2.75 V to 5.5 V
Number of Outputs 1
Output Voltage 0.5 V to 5 V
Temperature Range - Operating -40°C to 85°C
Mounting SMD (SMT)
Case / Package 8-DFN (3x3)
Win Source Part Number 1062587-LTC3444EDD#PBF
Popularity Medium
Supply and Demand Status Balance
Ultra Librarian 3D Model Ultra Librarian LTC3444EDD#PBF CAD Model

Description

Product Overview: LTC3444EDD#PBF

The LTC3444EDD#PBF is a versatile, high-efficiency, synchronous buck-boost DC/DC converter manufactured by Linear Technology. This power management integrated circuit (IC) is designed to provide a regulated output voltage from an input voltage source that can be above, below, or equal to the output voltage. As such, it is an ideal solution for battery-powered applications where the input voltage can vary significantly during operation.

Key Features

  • Wide Input Voltage Range: The LTC3444EDD#PBF operates from an input voltage range of 2.4V to 5.5V, making it suitable for single-cell Li-Ion, multi-cell alkaline, or NiMH applications, as well as fixed 3.3V or 5V systems.
  • Adjustable Output Voltage: Users can set the output voltage from 1.5V to 5.25V via an external resistor divider, providing flexibility for various applications.
  • High Efficiency: The synchronous rectification design contributes to a high efficiency of up to 96%, minimizing heat generation and maximizing battery life.
  • Low Quiescent Current: It features a low no-load quiescent current of only 30µA, which further extends battery runtime in portable devices.
  • Compact Design: Housed in a small 10-pin DFN (3mm x 3mm) package, the LTC3444EDD#PBF is ideal for space-constrained applications.
  • Integrated Switches: The IC includes internal switches that can handle up to 600mA of output current, reducing the need for external components.

Applications

The LTC3444EDD#PBF is suitable for a broad range of portable electronic devices where efficient power management is critical. Typical applications include:

  • Handheld Instruments
  • Medical Devices
  • Wireless Routers and Networking Equipment
  • GPS Receivers
  • Portable Media Players

Quality and Reliability

Linear Technology ensures that the LTC3444EDD#PBF meets the highest quality and reliability standards. The product is RoHS compliant, adhering to environmental regulations and is designed for robust performance in demanding applications.

With its comprehensive features and reliable performance, the LTC3444EDD#PBF is an excellent choice for designers looking to optimize power efficiency and extend battery life in their portable and mobile applications.

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