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LTC3891HUDC#PBF

Part No LTC3891HUDC#PBF
Manufacturer Linear Technology
Catalog PMIC - Voltage Regulators - DC DC Switching Controllers
Description DC/DC Cntrlr Single-OUT Step Down 900kHz Automotive 20-Pin QFN EP Tube / IC REG CTRLR BUCK 20QFN
Datasheet
Sample
Rohs State rohs
ECAD Module
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Categories Integrated Circuits (ICs)
Manufacturer Linear Technology
Packaging Tube
Output Type Transistor Driver
Function Step-Down
Output Configuration Positive
Topology Buck
Number of Outputs 1
Output Phases 1
Supply Voltage 4 V ~ 60 V
Frequency - Switching 105kHz ~ 835kHz, 350kHz ~ 535kHz
Duty Cycle (Maximum) 99%
Synchronous Rectifier Yes
Clock Sync No
Control Features Current Limit, Enable, Frequency Control, Power Good, Soft Start, Tracking
Operating Temperature Range -40°C ~ 150°C (TJ)
Package 20-WFQFN Exposed Pad
Manufacturer Package 20-QFN (3x4)
Win Source Part Number 783814-LTC3891HUDC#PBF
Popularity Medium
Supply and Demand Status Limited
Family Name LTC3891
Introduction Date October 13, 2010
ECCN EAR99
Country of Origin Malaysia
Halogen Free Compliant
Estimated EOL Date 2031
Ultra Librarian 3D Model Ultra Librarian LTC3891HUDC#PBF CAD Model

Description

Product Overview: LTC3891HUDC#PBF

The LTC3891HUDC#PBF is a high-performance step-down switching regulator controller from Linear Technology, designed to manage power distribution in a wide array of applications. This robust component is capable of driving N-channel synchronous power MOSFETs and is optimized for high voltage operation, which makes it suitable for systems requiring a reliable power supply with input voltages up to 60V.

Key Features

  • Wide Input Voltage Range: The LTC3891HUDC#PBF can handle a broad range of input voltages from 4.5V to 60V, accommodating fluctuating power supplies and ensuring consistent performance.
  • Adjustable Switching Frequency: Users can set the switching frequency anywhere from 50kHz to 900kHz, or it can be synchronized to an external clock, allowing for flexible design parameters.
  • High Efficiency: With its powerful design, this component achieves efficiency as high as 95%, minimizing heat generation and energy loss in your system.
  • Dual N-Channel MOSFET Synchronous Drive: The controller operates with N-channel MOSFETs for both the high-side and low-side switches, improving efficiency and reducing the need for external components.
  • Robust Protection Features: It includes overvoltage, undervoltage, and overcurrent protection, safeguarding your system from a variety of electrical anomalies.
  • Stable Operation: The LTC3891HUDC#PBF ensures stable operation with ceramic output capacitors, making it a reliable choice for modern, compact power supply designs.

Applications

The LTC3891HUDC#PBF is versatile and finds use in numerous applications, including but not limited to:

  • Automotive and Industrial Systems
  • Telecommunications Infrastructure
  • Datacom and Telecom Power Systems
  • High-Density Distributed Power Systems

Its robust design and flexibility make the LTC3891HUDC#PBF an excellent choice for engineers looking to create efficient, high-performance power management solutions in demanding environments.

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Pricing & Ordering

Quantity Unit Price Ext. Price
4+ $14.3867 $57.5468
9+ $11.8044 $106.2396
14+ $11.4356 $160.0984
19+ $11.0667 $210.2673
24+ $10.6978 $256.7472
32+ $9.5911 $306.9152
* Prices exclude shipping and taxes. Shipping costs are calculated at checkout.
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Availability: 140 pieces
MOQ: 4 pcs
Order Increment : 1 pcs
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