Overview of LT3472EDD#TR

The LT3472EDD#TR is a highly versatile, dual-channel, fixed frequency step-up DC/DC converter from Linear Technology, designed to meet the needs of a wide range of applications that require a compact and efficient power solution. This product is particularly well-suited for battery-powered devices, as it can operate from inputs as low as 2.4V, making it ideal for single-cell Li-Ion, or multi-cell alkaline/NiMH applications.

Key Features

• Wide Input Voltage Range: The LT3472EDD#TR operates from a 2.4V to 16V input, providing flexibility for various power sources.
• Integrated Power Switches: It includes two internal 40V, 0.4A power switches, which eliminates the need for external FETs and simplifies design.
• Adjustable Switching Frequency: The switching frequency is internally set to 1.2MHz, allowing the use of small inductors and capacitors, resulting in a compact power supply design.
• Independent Shutdown Pins: Each channel can be independently shut down, providing control and power-saving options.
• Low Quiescent Current: A low quiescent current of 40µA (both channels active) is ideal for battery-powered applications.

Applications

The LT3472EDD#TR is suitable for a variety of applications, including but not limited to:

• OLED Displays
• Cellular Phones
• Handheld Computers
• Digital Cameras
• Portable Lighting
• GPS Devices

Package and Availability

The device comes in a small 10-pin (3mm × 3mm) DFN package, which is RoHS compliant and has an extended temperature range, making it a reliable choice for industrial applications. The LT3472EDD#TR is available in tape and reel format, denoted by the 'TR' suffix, which facilitates automated manufacturing processes.

Conclusion

With its dual channels, wide input voltage range, integrated switches, and small footprint, the LT3472EDD#TR from Linear Technology is a powerful, efficient, and space-saving solution for a variety of power conversion needs. Its ease of use and low quiescent current make it an excellent choice for designers looking to optimize power management in portable and battery-powered devices.