Document
LTC4355
Features
Positive High Voltage Ideal Diode-OR with Input Supply
and Fuse Monitors Description
n Replaces Power Schottky Diodes n Controls N-Channel MOSFETs n 0.3µs Turn-Off Time Limits Peak Fault Current n Wide Operating Voltage Range: 9V to 80V n Smooth Switchover without Oscillation n No Reverse DC Current n Monitors VIN, Fuse, and MOSFET Diode n Available in 14-Lead (4mm × 3mm) DFN,
16-Lead MS and SO Packages
Applications
n High Availability Systems n AdvancedTCA® (ATCA) Systems n +48V and –48V Distributed Power Systems n Telecom Infrastructure
L, LT, LTC, LTM, Linear Technology and the Linear logo are registered trademarks and Hot Swap is a trademark of Linear Technology Corporation. All other trademarks are the property of their respective owners.
The LTC®4355 is a positive voltage ideal diode-OR controller that drives two external N-channel MOSFETs. Forming the diode-OR with N-channel MOSFETs instead of Schottky diodes reduces power consumption, heat .