? 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

? Surge Protection
IEC 61000-4-5: > 100 V
? Over-Voltage Protection (OVP)
? Over-Temperature Protection (OTP)
? ESD Protection
Human Body Model (HBM): > 3.5 kV
Charged Device Model (CDM): > 2 kV
IEC 61000-4-2 Air Discharge: > 15 kV
IEC 61000-4-2 Contact Discharge: > 8 kV
