MOSFET Driver IC with Over-Voltage Protection

Manufacturer's part number :


Manufacturer Skyworks


Description :

The AAT4686 OVPSwitch™ is a member of AnalogicTech's Application Specific Power MOSFET™ (ASPM™) product family. It is a P-channel MOSFET driver IC with precise over-voltage protection control, designed to protect low voltage systems against high-voltage faults up to +28V. If the input voltage exceeds the programmed over-voltage threshold, the external P-channel MOSFET switch will be turned off to prevent damage to the output load circuits. The AAT4686 is available with an internally programmed over-voltage trip point or as an adjustable version programmed by a two external resistors.

The AAT4686 also includes an under-voltage lockout (UVLO) protection circuit, which will put the device into sleep mode at low input voltages only consuming < 1μA of current.

The AAT4686 is offered in a small Pb-free, 8-pin SC70JW package, and is specified for operation over the -40°C to +85°C ambient temperature range.

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    • Over-Voltage Protection up to 28V
    • (Fixed or Adjustable) Over-Voltage Protection Threshold
    • Fast OVP Response:
    • 1 μs (Max) to Over-Voltage Transient
    • Low Operation Quiescent Current
    • 30μA Typical
    • 1μA Max in Shutdown (Disabled)
    • Drives External P-Channel MOSFETs
    • Under-Voltage Lockout
    • Temperature Range: -40 to 85°C
    • Available in SC70JW-8 Package

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Fault Flag Yes  
Typical Quiescent Current (µA) 30  
Voltage In (V) 14  
Package (mm) SC70JW-8