• 2.5V to 28V Operating Input Voltage Protection

• Input Voltage up to 40V with 50mA Current Limit 

  for 10s Duration

• Integrated 28mΩ (TYP) N-Channel MOSFET

• Adjustable Over-Voltage Protection Trip Level

• 4V to 22V Adjustable OVLO Threshold Range

• 6.83V (TYP) Internal Preset OVLO Threshold

• SGM40666A: Up to +90V/-400V Surge Immunity

• SGM40666B: Up to +80V/-400V Surge Immunity

• 32.3V Clamping Circuit Trigger Threshold when 

  Rising Slope > 4.5V/μs (SGM40666A)

• 45V Clamping Circuit Trigger Threshold

  (SGM40666B)

• 50ns (TYP) Over-Voltage Shutdown Response

• Soft-Start Function

• 15ms Start-up Debounce Time

• Thermal Shutdown Protection

• Enable Function

• Power Good Flag

• Available in a Green WLCSP-1.17×1.63-12B Package