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LTC3731HUH#TRPBF

Part No LTC3731HUH#TRPBF
Manufacturer Analog Devices Inc.
Catalog PMIC - Voltage Regulators - DC DC Switching Controllers
Description IC REG CTRLR BUCK 32QFN / Buck Regulator Positive Output Step-Down DC-DC Controller IC 32-QFN (5x5)
Datasheet
Sample
Rohs State rohs
ECAD Module
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Category Integrated Circuits (ICs) - Power Management (PMIC) - DC DC Switching Controllers
Mfr Analog Devices Inc.
Series PolyPhase®
Package Tape & Reel
Product Status Active
Output Type Transistor Driver
Function Step-Down
Output Configuration Positive
Topology Buck
Number of Outputs 3
Output Phases 3
Voltage - Supply (Vcc/Vdd) 3.8V ~ 7V
Frequency - Switching 225kHz ~ 680kHz
Duty Cycle (Max) 98.5%
Synchronous Rectifier Yes
Clock Sync No
Control Features Enable, Phase Control, Power Good, Soft Start
Temperature Range - Operating -40°C ~ 140°C (TJ)
Mounting Type Surface Mount
Package / Case 32-WFQFN Exposed Pad
Supplier Device Package 32-QFN (5x5)
Base Product Number LTC3731
Standard Package 2,500 pcs
MSL Level 1 (Unlimited)
REACH Status REACH Unaffected
ECCN EAR99
HTSUS 8542.39.0001
Win Source Part Number 879692-LTC3731HUH#TRPBF
Ultra Librarian 3D Model Ultra Librarian LTC3731HUH#TRPBF CAD Model

Description

Product Overview: LTC3731HUH#TRPBF from Analog Devices Inc.

The LTC3731HUH#TRPBF is a high-performance, synchronous step-down switching regulator controller from Analog Devices Inc., a leader in the design and manufacturing of high-performance analog integrated circuits. This advanced controller is specifically designed for point-of-load applications that require efficient power conversion, compact design, and robust features.

Key Features:

  • Wide Input Voltage Range: The device operates from a 4.5V to 36V input voltage range, making it versatile for a variety of supply voltages.
  • High Output Current: While the LTC3731HUH#TRPBF itself does not supply power, it can control power stages that deliver significant output currents, suitable for high-power applications.
  • Adjustable Switching Frequency: The switching frequency can be set from 250kHz to 750kHz, allowing designers to optimize the trade-off between efficiency and component size.
  • Phase-Lockable Frequency: 250kHz to 750kHz with an external clock, providing synchronization capabilities in multi-rail systems.
  • Dual N-Channel MOSFET Synchronous Drive: This feature reduces switching losses and improves efficiency, especially beneficial at high switching frequencies.
  • Current Mode Operation: Provides excellent line and load transient response.
  • OPTI-LOOP® Compensation: Minimizes the output voltage overshoot and allows for a wide range of output capacitors and inductors.
  • Tracking and Soft-Start Capabilities: Ensures a smooth power-up sequence and allows for the tracking of multiple power rails.

Applications:

The LTC3731HUH#TRPBF is ideal for a wide array of applications, including but not limited to:

  • Telecommunications
  • Networking Equipment
  • Servers and Data Centers
  • Industrial Systems
  • Automotive Power Systems

Quality and Reliability:

Analog Devices Inc. is known for its commitment to quality, and the LTC3731HUH#TRPBF is no exception. It is available in a compact 5x5mm QFN-32 package, ensuring a minimal footprint on the PCB while providing robust thermal performance. The device is also RoHS compliant, adhering to environmental standards and regulations.

Conclusion:

In summary, the LTC3731HUH#TRPBF from Analog Devices Inc. is a sophisticated solution for demanding power management challenges. With its extensive feature set and flexible design options, it is an excellent choice for engineers looking to optimize their power systems for efficiency, size, and performance.

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