Datasheet Linear Technology LTC4228IUFD-2#TRPBF — 数据表

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LTC4228-1

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  Ideal Diode and Hot Swap Controller Enables Supply Redundancy and Isolates Faults &mdash LT Journal
  PDF, 1.6 Mb, 档案已发布: Jan 17, 2013
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  Ideal Diode and Hot Swap Controller
  Enables Supply Redundancy and Isolates Faults
  Chew Lye Huat Schottky diodes are used in a variety of ways
  to implement multisource power systems.
  For instance, high availability electronic
  systems—such as µTCA network and storage
  servers—employ power Schottky diode-OR
  circuits in redundant power systems. Diode
  ORing is also used in systems with alternate
  power sources, such as an AC wall adapter
  and a backup battery feed. The problem is that
  the Schottky diodes consume power due to
  the forward voltage drop—the resulting heat
  must be dissipated with dedicated copper
  area on the PCB, or by heat sinks bolted to the
  diode, both of which require significant space.
  The family of products comprising the
  LTC4225, LTC4227 and LTC4228 minimize
  power loss by using external N-channel
  MOSFETs for pass elements, minimizing the voltage drop from the supply to
  the load when the MOSFETs are turned
  on. When an input source voltage drops
  below the output common supply voltage, the appropriate MOSFET is turned …

模型线

制造商分类

• Monitor, Control and Protection > PowerPath Controllers & Ideal Diodes
• Monitor, Control and Protection > Hot Swap Controllers > Low Voltage Hot Swap Controllers

其他名称:

LTC4228IUFD-2TRPBF, LTC4228IUFD-2 TRPBF, LTC4228IUFD2#TRPBF, LTC4228IUFD 2#TRPBF