40A Synchronous Buck Regulator with PMBUS

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Overview

The FAN251040 is a highly efficient synchronous buck regulator with digital interface, capable of operating with an input range from 4.5 V to 18 V and supporting up to 40 A load currents. The FAN2510xx utilizes a fixed−frequency voltage−mode control architecture to provide a synchronized constant switching frequency while ensuring fast transient response. Switching frequency and over−current protection can be programmed to provide a flexible solution for various applications. Output over−voltage, under−voltage, over−current, and thermal shutdown protections help prevent damage to the device during fault conditions.

  • Point of Load
  • ASIC, CPU Core and I/O Supplies
  • Server and Desktop Computers, Notebooks, Gaming
  • Telecommunications
  • High Density Power Solutions
  • PMBUS 1.3.1 Compatible
  • VIN Range: 4.5 V to 18 V
  • Accurate Voltage, Current and Thermal Telemetry Reporting
  • High Efficiency: Over 96% Peak
  • Continuous Output Current: 40 A
  • Internal Linear Bias Regulator
  • Precision Reference: ±0.7% Over Temperature
  • Output Voltage Range: 0.5 V to 5.5 V
  • Adjustable Frequency: 200 kHz to 1.4 MHz
  • Programmable Soft−Start
  • Low Shutdown Current
  • Internal Boot Diode
  • Thermal Shutdown
  • Pb−Free, Halogen Free/BFR Free, and is RoHS Compliant

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FAN251040MNTXG

Active

Pb

A

H

P

WQFN-34

1

260

REEL

4000

Y

Step-Down

Voltage Mode

4.5

18

0.5

40

96

1400

$2.2957

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