SGM40666A.pdf• 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
