• 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

• Highly reliable 1.3mm ×1.8mm FCQFN-12 package
• Surge protection
• IEC 61000-4-5: > 120V
• Integrated low Rdson nFET switch: typical 27mΩ
• 5A continuous current capability
• Default Over-Voltage Protection (OVP) threshold
AW32901: 5.95V
AW32902: 6.2V
AW32905: 6.8V
AW32909: 9.98V
AW32910: 10.5V
AW32912: 14V
• OVP threshold adjustable range: 4V to 20V
• Input system ESD protection
• IEC 61000-4-2 Contact discharge: ±8kV
• IEC 61000-4-2 Air gap discharge: ±15kV
• Input maximum voltage rating: 29VDC
• Fast turn-off response: typical 50ns
• Over-Temperature Protection (OTP)
• Under-Voltage Lockout (UVLO)
