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LTC3731CUH#PBF

Part No LTC3731CUH#PBF
Manufacturer Linear Technology
Catalog PMIC - Voltage Regulators - DC DC Switching Controllers
Description IC REG CTRLR BUCK 32QFN
Datasheet
Sample
Rohs State rohs
ECAD Module
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Products specifications Report Issue?

Categories Integrated Circuits
Manufacturer Linear Technology
Packaging Tube/Rail
Status Active
Output Type Transistor Driver
Purpose Step-Down
Topology Buck
Number of Outputs 3
Output Phases 3
Supply Voltage - Operating 3.8 V to 7 V
Frequency - Switching 225kHz to 680kHz
Duty Cycle (Max) 98.5%
Synchronous Rectifier Yes
Clock Sync No
Control Features Enable, Phase Control, Power Good, Soft Start
Temperature Range - Operating 0°C to 70°C (TA)
Case / Package 32-QFN (5x5)
Win Source Part Number 108389-LTC3731CUH#PBF
Ultra Librarian 3D Model Ultra Librarian LTC3731CUH#PBF CAD Model

Description

Linear Technology LTC3731CUH#PBF - High-Efficiency, Synchronous Step-Down DC/DC Controller

The LTC3731CUH#PBF is a high-performance, synchronous step-down DC/DC controller designed by Linear Technology, now part of Analog Devices, for advanced power supply applications. This efficient and versatile controller is ideal for converting a higher DC input voltage to a lower DC output voltage with a high level of accuracy and efficiency.

Key Features:

  • Wide Input Voltage Range: Capable of handling input voltages from 4V to 36V, making it suitable for a variety of applications, including automotive, industrial, and telecommunications power systems.
  • Versatile Output Voltage: The output voltage can be set from 0.8V to 32V, which allows for a wide range of uses in different circuit designs.
  • High Efficiency: Synchronous rectification offers efficiency as high as 95%, which is beneficial for reducing heat and improving system performance.
  • Adjustable Switching Frequency: Users can set the switching frequency anywhere from 250kHz to 750kHz, or it can be synchronized to an external clock.
  • Robust Protection Features: Includes overvoltage protection, overcurrent protection, and thermal shutdown to ensure the longevity and reliability of the controller and the overall system.
  • Current Mode Operation: Provides excellent line and load transient response.
  • Compact Package: Comes in a 32-lead (5mm × 5mm) QFN package, which is suitable for space-constrained applications.

Applications:

The LTC3731CUH#PBF is designed to meet the needs of a broad range of applications. It's particularly well-suited for:

  • Point of Load (POL) power supplies
  • Distributed Power Systems
  • Datacom and Telecom Systems
  • Automotive Electronics
  • Battery-Powered Devices

Conclusion:

Linear Technology's LTC3731CUH#PBF synchronous step-down DC/DC controller is a powerful solution for modern electronics that require efficient voltage conversion and tight regulation. With its wide input voltage range, high efficiency, and comprehensive protection features, it stands out as a reliable and flexible component for high-performance power management systems.

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Pricing & Ordering

Quantity Unit Price Ext. Price
7+ $9.4202 $65.9414
15+ $7.7304 $115.9560
24+ $7.4879 $179.7096
32+ $7.2465 $231.8880
42+ $7.0051 $294.2142
56+ $6.2809 $351.7304
* Prices exclude shipping and taxes. Shipping costs are calculated at checkout.
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Availability: 6,600 pieces
MOQ: 7 pcs
Order Increment : 1 pcs
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