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LTC3861IUHE#PBF

Part No LTC3861IUHE#PBF
Manufacturer Linear Technology
Catalog PMIC - Voltage Regulators - DC DC Switching Controllers
Description IC REG CTRLR BUCK 36QFN
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 PWM Signal
Purpose Step-Down
Topology Buck
Number of Outputs 2
Output Phases 2
Supply Voltage - Operating 3 V to 5.5 V
Frequency - Switching 250kHz to 3MHz
Duty Cycle (Max) 91.5%
Synchronous Rectifier No
Clock Sync No
Control Features Current Limit, Enable, Frequency Control, Phase Control, Power Good, Soft Start, Tracking
Temperature Range - Operating -40°C to 125°C (TJ)
Case / Package 36-QFN (5x6)
Win Source Part Number 1063138-LTC3861IUHE#PBF
Popularity Medium
Supply and Demand Status Balance
Ultra Librarian 3D Model Ultra Librarian LTC3861IUHE#PBF CAD Model

Description

The LTC3861IUHE#PBF is a high-performance dual output step-down DC/DC controller from Linear Technology, designed to drive all N-channel synchronous power MOSFET stages. This advanced controller is suitable for a wide range of power regulation tasks, particularly in complex systems requiring reliable and efficient power distribution.

Key Features

  • Wide Input Voltage Range: The device operates from a 4.5V to 38V input voltage range, making it versatile for various applications, from automotive to industrial systems.
  • Output Voltage Range: It can produce an output voltage range from 0.6V to 14V, which covers most common logic levels and power rails.
  • Current Mode Operation: The LTC3861IUHE#PBF employs current mode control for excellent line and load transient response.
  • Phase-Lockable Frequency: The 75kHz to 850kHz phase-lockable frequency with optional clock synchronization ensures noise-sensitive applications can avoid critical frequency bands.
  • Adjustable Slope Compensation: This feature allows for optimization of transient response while maintaining stability over a wide range of output capacitors and inductors.
  • Power Good Output: This signal indicates when the output voltage is within the specified range, providing a reliable status for system monitoring and sequencing.
  • Overvoltage Protection: The device includes protection features to safeguard against voltage spikes and transients.
  • Thermal Protection: Built-in thermal shutdown ensures the device operates within safe temperature limits.

Applications

  • Automotive Power Systems
  • Industrial Power Supplies
  • Distributed Power Systems
  • Datacom and Telecom Power Systems

With its robust design and comprehensive feature set, the LTC3861IUHE#PBF is an ideal choice for engineers seeking a reliable and efficient solution for their dual output power supply designs. Whether it's for high-performance data centers or rugged automotive environments, this DC/DC controller is engineered to meet stringent power requirements while maintaining a compact footprint.

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Pricing & Ordering

Quantity Unit Price Ext. Price
8+ $7.7443 $61.9544
19+ $6.3548 $120.7412
29+ $6.1562 $178.5298
39+ $5.9575 $232.3425
51+ $5.7588 $293.6988
68+ $5.1629 $351.0772
* Prices exclude shipping and taxes. Shipping costs are calculated at checkout.
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Availability: 10,300 pieces
MOQ: 8 pcs
Order Increment : 1 pcs
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