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LTC1772ES6#PBF

Part No LTC1772ES6#PBF
Manufacturer Linear Technology
Catalog PMIC - Voltage Regulators - DC DC Switching Controllers
Description IC REG CTRLR MULT TOP SOT23-6
Datasheet
Sample
Rohs State rohs
ECAD Module
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Categories Integrated Circuits
Manufacturer Linear Technology
Packaging Cut Reel
Status Active
Output Type Transistor Driver
Purpose Step-Up, Step-Down, Step-Up/Step-Down
Topology Buck, Boost, Flyback
Number of Outputs 1
Output Phases 1
Supply Voltage - Operating 2.5 V to 9.8 V
Frequency - Switching 550kHz
Duty Cycle (Max) 100%
Synchronous Rectifier No
Clock Sync No
Control Features Enable
Temperature Range - Operating -40°C to 85°C (TA)
Case / Package TSOT-23-6
Win Source Part Number 303194-LTC1772ES6#PBF
Ultra Librarian 3D Model Ultra Librarian LTC1772ES6#PBF CAD Model

Description

The LTC1772ES6#PBF is a high-performance, Constant Frequency, Current Mode Step-Down DC/DC Controller from Linear Technology. Designed to drive a high-side N-channel MOSFET in a step-down (buck) converter topology, this compact and efficient controller is ideal for portable equipment where extended battery life is critical.

Key Features

  • High Efficiency: The LTC1772ES6#PBF operates at a constant frequency, reducing noise and allowing for the use of small inductors and capacitors, which results in a highly efficient power conversion.
  • Versatile Supply Range: This controller operates from a wide input voltage range of 2.65V to 9.8V, making it suitable for single Li-Ion, NiMH, or multi-cell alkaline/NiCd/NiMH applications.
  • Low Quiescent Current: It has a very low no-load quiescent current of only 25µA, which further enhances battery life in portable applications.
  • Adjustable Frequency: The switching frequency is programmable from 200kHz to 2.4MHz, allowing the optimization of efficiency, component size, and response time.
  • Burst Mode® Operation: The LTC1772ES6#PBF includes Burst Mode operation, which provides high efficiency at low output currents and reduces standby power consumption.
  • Current Mode Control: Current mode control provides excellent line and load transient response.

Applications

The LTC1772ES6#PBF is suitable for a variety of applications, including:

  • Portable Computers
  • Cellular Telephones
  • Wireless and DSL Modems
  • Digital Cameras
  • PDAs and Handheld Computers

Package and Quality

Encased in a compact TSOT-23 package, the LTC1772ES6#PBF is designed for space-constrained applications. Linear Technology ensures high-quality and reliability of its products, and this controller is no exception. It is RoHS compliant and lead-free, catering to environmentally conscious design requirements.

Conclusion

The LTC1772ES6#PBF from Linear Technology is a robust and versatile step-down controller that combines efficiency with performance, making it an excellent choice for a wide range of power-sensitive applications. Its advanced features and compact design provide an optimal power management solution for today's portable electronics.

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