The LTM4644ITPBF is a quad DC/DC step-down µModule (micromodule) regulator from Analog Devices (ADI). It integrates four complete DC/DC converters into a single compact package. It's designed for point-of-load regulation in a wide range of applications.

Applications:

• Point-of-Load (POL) regulation
• FPGA power
• ASIC power
• Microprocessor power
• Distributed power systems
• Medical equipment

Features:

• Quad output DC/DC regulator
• Wide input voltage range
• Adjustable output voltage
• High efficiency
• Compact µModule package
• Overcurrent protection
• Overtemperature protection

Benefits:

• Simplified power supply design
• Reduced board space
• High efficiency for energy savings
• Flexible output voltage configuration
• Robust protection features

Specifications:

The LTM4644ITPBF supports a wide input voltage range, typically from 4.5V to 20V. Each of the four outputs can be independently adjusted, offering flexibility in power supply design. The regulator operates at high efficiency, reducing power losses. The compact µModule package simplifies PCB layout and reduces board space. The built-in overcurrent and overtemperature protection features enhance system reliability. The output current capability is typically up to 4A per channel. The switching frequency can be adjusted externally. The operating temperature range is specified as -40°C to +125°C. The LTM4644 family provides options for parallel operation to increase output current capability.

The LTM4644ITPBF is a highly integrated and efficient power management solution for a variety of applications. Its quad-output capability, wide input voltage range, and robust protection features make it a versatile choice for point-of-load regulation.