The LT3487EDD is a compact, high-performance step-up DC/DC converter designed by Linear Technology, which is now part of Analog Devices. This versatile power management integrated circuit (PMIC) is ideal for applications that require efficient voltage boosting from lower voltage sources. The LT3487EDD is particularly well-suited for portable devices, wireless modems, and other battery-operated equipment.

Key Features

• Adjustable Output Voltage: The device provides an adjustable output voltage that can be set from 2.5V to 16V, catering to a wide range of applications and allowing for flexible design options.
• Integrated 1.2A Switch: The LT3487EDD includes an internal 1.2A, 36V switch, which facilitates the creation of a compact design without the need for external power switches.
• High Efficiency: With its high efficiency of up to 85%, the LT3487EDD ensures minimal power loss during voltage conversion, which is critical for maximizing battery life in portable applications.
• Low Quiescent Current: The device features a low quiescent current of only 2.8µA, making it an excellent choice for battery-powered applications where power conservation is crucial.
• Soft-Start Function: The built-in soft-start function limits inrush current during startup, providing a smooth power-up sequence and reducing stress on the battery.

Package and Reliability

The LT3487EDD is offered in a compact 10-pin (3mm x 3mm) DFN package, which is ideal for space-constrained applications. The device is rated for operation from -40°C to 85°C, ensuring reliable performance in a wide range of environmental conditions.

Applications

• Portable Electronics
• Wireless Modems
• Battery-powered Equipment
• Small LCD Displays
• GPS Devices

In conclusion, the LT3487EDD from Linear Technology is a highly versatile and efficient solution for step-up voltage conversion. Its compact size, adjustable output voltage, and low quiescent current make it an excellent choice for designers looking to optimize power management in portable and battery-operated devices.