Linear Technology LTC3408EDD#TR Overview

The LTC3408EDD#TR is a high-efficiency, monolithic synchronous buck regulator from Linear Technology, a well-known brand in the field of high-performance analog integrated circuits. This product is designed to provide a compact and efficient power management solution for portable devices and applications requiring a regulated output voltage from a variable input source.

Key Features

• High Efficiency: Capable of up to 96% efficiency, the LTC3408EDD#TR helps in reducing power losses and improving battery life in portable applications.
• Wide Input Voltage Range: It operates from an input voltage range of 2.5V to 5.5V, making it suitable for single cell Li-Ion or multi-cell alkaline/NiMH applications.
• Adjustable Output Voltage: The output voltage is adjustable from 0.8V to VIN, providing flexibility for different design requirements.
• High Switching Frequency: With a 2.25MHz constant frequency operation, it allows the use of small, low-cost capacitors and inductors, reducing the overall footprint of the power supply design.
• No Schottky Diode Required: The internal synchronous rectification improves efficiency and eliminates the need for an external Schottky diode.
• Low Dropout Operation: The 100% duty cycle capability provides low dropout operation, which extends the operating time for battery-powered systems.
• Thermal Protection: It includes thermal shutdown to protect the device under over-temperature conditions.

Applications

The LTC3408EDD#TR is ideal for a variety of applications, including:

• Portable Instruments
• Battery-Powered Equipment
• Handheld Devices
• Wireless Modems
• PDAs and Smartphones

Package and Reliability

This regulator is offered in a small 10-lead (3mm × 3mm) DFN package, which is suitable for space-constrained applications. The LTC3408EDD#TR is also available in a tape and reel format, denoted by the '#TR' suffix, facilitating automated manufacturing processes. Linear Technology ensures high reliability and performance of its products, with the LTC3408EDD#TR being no exception, providing a robust power management solution for designers and engineers.