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Categories Integrated Circuits
Manufacturer Linear Technology/Analog Devices
Packaging Reel
Function Step-Down
Topology Buck
Output Type Adjustable
Voltage - Input (Minimum) 3.4V
Voltage - Input (Maximum) 42V
Min/Fixed Output Voltage 0.97V
Maximum Output Voltage 42V
Output Current 5A
Switching Frequency 210kHz ~ 2MHz
Synchronous Rectifier Yes
Temperature Range - Operating -40°C ~ 125°C
Mounting Style SMD
Manufacturer Package 20-WFQFN, 18 Leads, Exposed Pad
Supplier Device Package 20-QFN (3x4)
Family Part Number LT8640
Manufacturer Pack Quantity 1
MSL Level 1 (Unlimited)
Win Source Part Number 754413-LT8640IUDC#TRPBF
Is this a common-used part? Yes
Popularity High
Supply and Demand Status Balance
Family Name LT8640
Introduction Date December 09, 2014
ECCN EAR99
Country of Origin Malaysia
Halogen Free Compliant
Estimated EOL Date 2028
Ultra Librarian 3D Model Ultra Librarian LT8640IUDC#TRPBF CAD Model

Description

The LT8640IUDC#TRPBF is a high-performance step-down regulator from Linear Technology that offers a compact, efficient, and low-emission solution for converting higher voltages to lower voltages in a variety of applications. This regulator is designed to minimize external components while providing a robust power management solution.

Key Features:

  • Wide Input Voltage Range: Capable of operating with an input voltage range from 3.4V to 42V, making it suitable for automotive and industrial applications that require a wide input voltage.
  • High Efficiency: With a synchronous rectification design, it achieves up to 95% efficiency, which helps to reduce power loss and improve overall system performance.
  • Low EMI Emissions: Integrates Silent Switcher® architecture to minimize EMI emissions, facilitating compliance with automotive and industrial electromagnetic compatibility requirements.
  • Adjustable Switching Frequency: The switching frequency is adjustable from 200kHz to 2.2MHz, allowing designers to optimize the trade-off between efficiency and external component size.
  • Robust Thermal Performance: The device comes in a thermally enhanced 3mm x 4mm QFN package, which helps to manage heat dissipation effectively.
  • Multiple Protection Features: Includes overvoltage, overcurrent, and overtemperature protection for improved system reliability and safety.

Applications:

The LT8640IUDC#TRPBF is ideal for a variety of applications that require efficient power conversion with minimal noise and heat generation. These applications include:

  • Automotive power systems
  • Industrial control systems
  • Telecommunications equipment
  • Datacom Infrastructure
  • Portable electronics

With its advanced features and robust design, the LT8640IUDC#TRPBF from Linear Technology is an excellent choice for designers seeking a high-performance, low-EMI step-down regulator that can handle a broad range of power supply conditions.

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Pricing & Ordering

Quantity Unit Price Ext. Price
5+ $11.5425 $57.7125
11+ $9.4708 $104.1788
17+ $9.1748 $155.9716
23+ $8.8789 $204.2147
30+ $8.5829 $257.4870
39+ $7.6950 $300.1050
* Prices exclude shipping and taxes. Shipping costs are calculated at checkout.
Availability: 1,760 pieces
MOQ: 5 pcs
Order Increment : 1 piece
*Need More Quantity? *Request a Bulk Quantity Quotation?

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