? 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

? Wide Input voltage range: 2.3V to 28V
? Up to 4A Continuous current capability
? Integrated 38mΩ (typ) N-Channel MOSFET
? Wide Over-Voltage threshold range
Fixed internal: 5.95V
Adjustable: 4V to 22V
? Fast OVP response time: 0.1μs (typ.)
? Microphone Mode for audio signal on IN
? Internal 15ms Startup Debounce
? Integrated Surge Protection up to 100V
? Low Quiescent Current: 70μA (typ.)
? Thermal Shutdown and Short Circuit Protection
? Compliance to IEC61000-4-2 (Level 4)
Contact: ±8kV
Air Gap: ±15kV
? ESD Protection
Human Body Model: ±2kV
? Pb-free Package: 12-Bump WLCSP
? -40°C to +85°C Temperature Range
