DescripTion
The LTC® 4353 controls external N-channel MOSFETs to implement an ideal diode function. It replaces two high power Schottky diodes and their associated heat sinks, saving power and board area. The ideal diode function permits low loss power supply ORing and supply holdup applications.

FEATUREs
Low Loss Replacement for Power Diodes
Controls N-Channel MOSFETs
0V to 18V Supply ORing or Holdup
1µs Gate Turn-On and Turn-Off Time
Enable Inputs
MOSFET On-Status Outputs
16-Lead MSOP and DFN (4mm × 3mm) Packages