Special Function IC, Ideal Diode Controller, 3 V to 18 V in, MSOP-12

LTC4352HMS#PBF - Special Function IC, Ideal Diode Controller, 3 V to 18 V in, MSOP-12

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Product Overview

The LTC4352HMS#PBF is a near-Ideal Diode Controller using an external N-channel MOSFET. It replaces a high power Schottky diode and the associated heat sink, saving power and board area. The LTC4352 regulates the forward voltage drop across the MOSFET to ensure smooth current transfer in diode-OR applications. A fast turn-ON reduces the load voltage droop during supply switch-over. If the input supply fails or is shorted, a fast turn-OFF minimizes reverse currents. Power passage is disabled during undervoltage or overvoltage conditions. The controller also features an open MOSFET detect circuit that flags excessive voltage drop across the pass transistor in the on state. A REV pin enables reverse current, overriding the diode behaviour when desired.
  • Low loss replacement for power diode
  • Controls N-channel MOSFET
  • 0 to 18V Supply ORing or holdup
  • 0.5µs Turn-ON and Turn-OFF time
  • Undervoltage and overvoltage protection
  • Open MOSFET detect
  • Status and fault outputs
  • Hot swappable
  • Reverse current enable input
  • Green product and no Sb/Br


Power Management, Computers & Computer Peripherals, Communications & Networking

Product Information

Ideal Diode Controller
MSL 1 - Unlimited
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No Longer Stocked

Alternatives Available

1647760 - Diode Controller, 2.9V to 6V supply, 12V/200 µA output, MSOP-12

No longer stocked:: true No Longer Manufactured::

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