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THE MP446x FAMILY FROM MPS!

2008-03-01  MPS

With its MP446x, MPS has launched a new family of high-frequency DC/DC regulators with exceptional power density. The wide input voltage range of 4.5V to 36V covers even the automotive input environment, while the low quiescent current of 100µA makes the MP446x family attractive for battery powered applications. The switching frequency of up to 4MHz enables small external components. Together with the ultra-compact 3mm x 3mm QFN package, this translates into optimal use of board space.

Specifications/Features:

  • 100µA quiescent current
  • Wide input voltage range of 4.5V to 36V
  • Maximum output current of 3.5A for the MP4461 (2.5A for the MP4460)
  • 150m? internal power MOSFET
  • Up to 4MHz programmable switching frequency
  • Stable operation via ceramic capacitors
  • Internal soft-start
  • Internally set current limit without a current sensing resistor
  • Efficiency of up to 95%
  • Output adjustable from 0.8V to 30V
  • Space-saving 3mm x 3mm QFN10 package







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