The LTC3417AEFE#PBF is a high-performance, dual synchronous step-down DC/DC converter designed by Linear Technology, now part of Analog Devices. This efficient power management integrated circuit (IC) is ideal for applications requiring low voltage, high current outputs from a high voltage input supply.

Key Features

• Wide Input Voltage Range: The LTC3417AEFE#PBF operates from an input voltage range of 2.25V to 5.5V, making it suitable for single Li-Ion, multicell alkaline or NiMH, as well as other standard power sources.
• Dual Outputs: It features two independent output channels capable of delivering up to 800mA of continuous output current each, which can be set by external resistors from 0.8V to 5V.
• High Efficiency: The synchronous rectification design provides high efficiency of up to 95%, reducing heat and improving battery life in portable applications.
• Adjustable Switching Frequency: The switching frequency can be set by an external resistor from 300kHz to 4MHz or can be synchronized to an external clock.
• Current Mode Operation: Provides excellent line and load transient response and allows for phase-lockable frequency of 300kHz to 4MHz.
• Integrated Features: Includes soft-start capability, a power good voltage monitor, independent shutdown and tracking functions for each channel.

Applications

The LTC3417AEFE#PBF is versatile and can be used in a wide range of applications, including:

• Distributed Power Systems
• Portable Instruments
• Medical Devices
• Automotive Power Systems
• Industrial Supplies

Package and Reliability

This converter comes in a 20-lead thermally enhanced TSSOP package, which provides robust thermal performance for applications with limited space that require high power density. The LTC3417AEFE#PBF is also RoHS compliant and designed to meet the rigorous standards of industrial temperature ranges.

Conclusion

With its dual high-efficiency outputs, wide input voltage range, and a host of integrated features, the LTC3417AEFE#PBF from Linear Technology is an excellent choice for designers looking to optimize power consumption and extend battery life in their portable and space-constrained applications.