Product Overview: LT3474EFE from Linear Technology

The LT3474EFE is a highly versatile and efficient step-down DC/DC converter designed for various applications requiring a compact and reliable power solution. Manufactured by Linear Technology, now part of Analog Devices, this converter is part of a family of monolithic current mode PWM converters that provide significant features for performance-driven systems.

Key Features

• Wide Input Voltage Range: The LT3474EFE operates over a 4V to 36V input voltage range, making it suitable for a wide array of sources, including automotive batteries, industrial supplies, and more.
• Adjustable Output Voltage: Users can set the output voltage from 1.21V up to the input voltage level, providing flexibility for different voltage requirements.
• Integrated 1.5A Switch: The device includes an internal 1.5A power switch, eliminating the need for external components and simplifying the design process.
• High Efficiency: The LT3474EFE offers efficiencies up to 96%, ensuring minimal heat generation and optimal battery life for portable applications.
• Constant Frequency Operation: With a fixed frequency ranging from 200kHz to 2.4MHz, the converter allows for a predictable operation and the use of small surface mount inductors and capacitors.
• Thermal Protection: The device features thermal shutdown protection, safeguarding against overheating and potential damage.

Applications

The LT3474EFE is ideal for a variety of applications, including:

• Portable Electronics
• Automotive and Industrial Supplies
• Telecommunications Infrastructure
• Battery-Powered Equipment
• LED Drivers

Package and Reliability

The LT3474EFE is available in a thermally efficient 16-lead TSSOP package with an exposed pad for enhanced thermal performance. Its robust design ensures reliable operation in challenging environments, making it a preferred choice for both commercial and industrial applications.

Overall, the LT3474EFE from Linear Technology is a powerful, flexible, and efficient solution for your power conversion needs, offering a blend of performance and ease of use that designers and engineers will appreciate.