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LTC3405A

Part No LTC3405A
Manufacturer Linear Technology
Description 1.5MHz, 300mA Synchronous Step-Down Regulator in ThinSOT
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Manufacturer Linear Technology
Win Source Part Number 1208709-LTC3405A
Manufacturer Homepage www.linear.com
Popularity Medium
Supply and Demand Status Limited
Ultra Librarian 3D Model Ultra Librarian LTC3405A CAD Model

Description

The LTC3405A is a compact, high-efficiency, synchronous step-down DC/DC regulator from Linear Technology, designed to provide a continuous load current of up to 600mA. This versatile regulator is ideal for portable applications due to its low quiescent current and high efficiency across a wide range of load currents.

Key Features

  • High Efficiency: Capable of up to 96% efficiency, the LTC3405A ensures minimal power loss and optimal battery life in portable devices.
  • Wide Input Voltage Range: With an input voltage range from 2.5V to 5.5V, it is suitable for single-cell Li-Ion batteries as well as other standard power sources.
  • Adjustable Output Voltage: The output voltage is adjustable from 0.8V to VIN, making it highly versatile for various applications.
  • No Schottky Diode Required: The internal synchronous rectification eliminates the need for an external Schottky diode, reducing both cost and footprint.
  • Fast Transient Response: Its high switching frequency (up to 2.25MHz) allows the use of small, low-cost capacitors and inductors, while also providing a fast transient response.
  • Low Dropout Operation: The LTC3405A's 100% duty cycle capability provides low dropout operation, which is critical for maximum battery utilization.
  • Thermal Protection: Built-in thermal shutdown ensures protection under high-temperature conditions.

Applications

The LTC3405A is suitable for a broad range of applications, particularly where high efficiency, compact size, and ease of use are paramount. These applications include:

  • Cellular Telephones
  • Personal Digital Assistants (PDAs)
  • Digital Cameras
  • Portable Media Players
  • Wireless and DSL Modems

Package Options and Availability

The LTC3405A is available in a small, low-profile (1mm) 6-lead SOT-23 package, providing a compact solution for space-constrained applications. For purchasing information and availability, please contact Linear Technology or an authorized distributor.

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Pricing & Ordering

Quantity Unit Price Ext. Price
25+ $2.3539 $58.8475
60+ $1.9312 $115.8720
93+ $1.8711 $174.0123
128+ $1.8110 $231.8080
166+ $1.7498 $290.4668
221+ $1.5696 $346.8816
* Prices exclude shipping and taxes. Shipping costs are calculated at checkout.
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Availability: 32,000 pieces
MOQ: 25 pcs
Order Increment : 1 pcs
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