The Linear Technology LT3493EDCB is a highly integrated DC/DC converter designed for portable and compact applications. This small, efficient, and versatile power management solution is ideal for battery-powered systems due to its low quiescent current and wide input voltage range.

Key Features

• Wide Input Voltage Range: The LT3493EDCB operates from an input voltage range of 2.5V to 16V, making it suitable for a variety of power sources, from single-cell Li-Ion batteries to multi-cell alkaline/NiMH batteries or even automotive inputs.
• Adjustable Output Voltage: Users can set the output voltage from 2.5V to 16V via an external resistor divider, providing flexibility for different voltage requirements.
• Integrated Power Switch: With its internal 350mA power switch, the device can deliver up to 300mA of continuous output current at 5V from a 12V input.
• High Efficiency: The LT3493EDCB features up to 94% efficiency, which minimizes power loss and heat generation, extending battery life in portable applications.
• Ultralow Quiescent Current: The quiescent current is merely 7µA, which is beneficial for battery-powered devices, as it reduces the drain on the battery when the device is in standby mode.
• Compact Package: It comes in a tiny 6-pin DFN package with a 2mm x 2mm footprint, which is ideal for space-constrained applications.

Applications

The LT3493EDCB is well-suited for a wide range of applications, including but not limited to:

• Portable Instruments
• Battery-Powered Equipment
• Handheld Devices
• Small LCD Displays
• Wireless Modems
• GPS Receivers

Conclusion

The LT3493EDCB from Linear Technology is an excellent choice for designers looking for a micropower, high-efficiency DC/DC converter in a small package. Its low quiescent current and adjustable output voltage make it versatile for a multitude of low power applications, ensuring optimal performance while preserving battery life.