The LTC3863MPDE#PBF from Analog Devices Inc. is a robust, high voltage, non-isolated step-down DC/DC controller designed to create a high efficiency power supply with a minimal number of external components. This component is part of a series that enables a high-performance, cost-effective solution for a wide range of applications, including automotive, industrial, and telecommunications power systems.

Key Features

• Wide Input Voltage Range: Operates from a 4V to 60V input voltage range, making it suitable for a variety of supply voltages.
• Low Quiescent Current: Its low quiescent current draw contributes to high efficiency, even at light loads, which is critical for battery-powered and energy-saving applications.
• Adjustable Switching Frequency: The switching frequency can be programmed between 50kHz to 900kHz or synchronized to an external clock, allowing flexibility in component selection and optimization of efficiency and performance.
• Robust Temperature Range: With a military-grade temperature range of -55°C to +125°C, the LTC3863MPDE#PBF is designed to operate reliably in extreme environments.
• Powerful Drive Capability: It features a powerful 1.1Ω on-chip MOSFET gate driver, which is capable of driving large power MOSFETs, thus enabling the design of high current output power supplies.
• Protection Features: It includes overvoltage, undervoltage, and overcurrent protection, enhancing the safety and reliability of the end application.

Applications

The LTC3863MPDE#PBF is versatile and can be used in a variety of applications such as:

• Automotive electronics
• Industrial power systems
• Telecommunications equipment
• High power density applications

Package and Quality

This device is available in a 14-lead plastic DFN (4mm × 3mm) package with an exposed pad for enhanced thermal performance. The LTC3863MPDE#PBF is RoHS compliant and is manufactured by Analog Devices Inc., a reputable leader in high-performance analog, mixed-signal, and digital signal processing integrated circuits.