ISL644
Description
Allows active control of external N-Channel FET gate to perform ORing function. Also provides a sensing node for external FET control.
Key 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)