The ISL6144 ORing MOSFET Controller and a suitably sized N-Channel power MOSFET(s) increases power distribution efficiency and availability when replacing a power ORing diode in high current applications.

Features

? Wide Supply Voltage Range +9V to +75V

? Transient Rating to +100V

? Reverse Current Fault Isolation

? Internal Charge Pump Allows the use of N-Channel

MOSFET

? HS Comparator Provides Very Fast <0.3μs Response

Time to Dead Shorts on Sourcing Supply. HS Comparator

also has Resistor-adjustable Trip Level

? HR Amplifier allows Quiet, <100μs MOSFET Turn-off for

Power Supply Slow Shut Down

? Open Drain, Active Low Fault Output with 120μs Delay

? Provided in Packages Compliant to UL60950 (UL1950)

Creepage Requirements

? QFN Package:

- Compliant to JEDEC PUB95 MO-220

QFN - Quad Flat No Leads - Package Outline

- Near Chip Scale Package footprint, which improves

PCB efficiency and has a thinner profile

? Pb-Free (RoHS Compliant)

Applications

? ORing MOSFET Control in Power Distribution Systems

? N + 1 Redundant Distributed Power Systems

? File and Network Servers (12V and 48V)

? Telecom/Datacom Systems