(China (Mainland))
Product Summary
The LTC4365 protects applications where power supply input voltages may be too high, too low or even negative. It does this by controlling the gate voltages of a pair of external N-channel MOSFETs to ensure that the output stays within a safe operating range.
The LTC4365 can withstand voltages between –40V and 60V and has an operating range of 2.5V to 34V, while consuming only 125μA in normal operation.
Two comparator inputs allow configuration of the overvoltage (OV) and undervoltage (UV) set points using an external resistive divider. A shutdown pin provides external control for enabling and disabling the MOSFETs as well as placing the device in a low current shutdown state. A fault output provides status of the gate pin pulling low. A fault is indicated when the part is in shutdown or the input voltage is outside the UV and OV set points.
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Features
Wide Operating Voltage Range: 2.5V to 34V
Overvoltage Protection to 60V
Reverse Supply Protection to –40V
Blocks 50Hz and 60Hz AC Power
No Input Capacitor or TVS Required for Most Applications
Adjustable Undervoltage and Overvoltage Protection Range
Charge Pump Enhances External N-Channel MOSFET
Low Operating Current: 125μA
Low Shutdown Current: 10μA
Fault Status Output
Compact 8-Lead, 3mm × 2mm DFN and TSOT-23 (ThinSOT?) Packages
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