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The PM40028B1-F3EI is a high-performance Switchtec Gen 4 PFX Fan-out PCIe switch

The PM40028B1-F3EI is a high-performance Switchtec Gen 4 PFX Fan-out PCIe switch

Source:our siteTime:2024-07-18Views:

The Microchip Switchtec™ PFX Gen 4 fan-out PCIe switch supports up to 100 channels, 52 ports, 26 virtual switch partitions, and 48 non-transparent Bridges (NTBS). In addition, the PFX switch offers hot swap and unplanned swap controllers for each por…

The Microchip Switchtec™ PFX Gen 4 fan-out PCIe® switch supports up to 100 channels, 52 ports, 26 virtual switch partitions, and 48 non-transparent Bridges (NTBS). In addition, the PFX switch offers hot swap and unplanned swap controllers for each port, advanced error control, full diagnostic and debugging capabilities, a variety of I/O interfaces, and an integrated MIPS processor. Full diagnostics and debugging include PCIe generators and analyzers, per-port performance and error counters, multiple loopback modes, and real-time eye map capture. PFX Gen 4 Fan out switches include the PM40100, PM40084, PM40068, PM40052, PM40036 and PM40028 series.


The PM40028B1-F3EI is a highly reliable, high-performance Switchtec Gen 4 PFX Fan-out PCIe switch with significant power consumption, cost, and board space, supporting 28 channels, 16 ports, and a hot-swapable controller for each port.


Key Features:

Wide input voltage range: 4.5V to 40V

High output current capacity: 28A

High efficiency: up to 97%

Adjustable output voltage: 0.8V to 20V

Current mode control

Integrated high - and low-side MOSFETs

Low side MOSFET current detection

Adjustable soft start time

Overtemperature protection

Overvoltage protection

Undervoltage protection

Cycle by cycle current limit

External compensation

Optional sleep mode


The PM40028B1-F3EI is suitable for a variety of applications requiring efficient, high-performance synchronous buck converters, such as:

• Industrial automation

• Communication equipment

• Data Center

• Medical equipment

• Automotive electronics

• Robotics


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