SGM2581.pdf• 100mΩ (TYP) High-side N-Channel MOSFET
• Three Current Limit Levels
SGM2581A/B/G: 1100 ± 110mA
SGM2581C/D/I: 2100 ± 220mA
SGM2581E/F/K: 2600 ± 310mA
• Input Voltage Range: 2.5V to 5.5V
• Low 23μA Quiescent Current
• Typical 0.1μA Shutdown Current
• Soft-Start Function
• Thermal Shutdown Protection
• Under-Voltage Lockout Protection for VIN
• No Reversed Leakage Current (Reverse Blocking)
• Fault Flag (FAULT ) with 13ms Filter Eliminates
False Assertions
• Automatic Output Discharge in Shutdown Mode
(SGM2581A/B/C/D/E/F)
• 500kΩ Pull-Down Resistor at EN Pin
(SGM2581G/I/K)
• Available in the Green SOT-23-5 Package
• MIC20X3 – MIC20X9
70mΩ typical on-resistance @ 5V
• MIC2005A/20X9A
170mΩ typical on-resistance @ 5V
• Enable active high or active low
• 2.5V – 5.5V operating range
• Pre-set current limit values of 0.5A, 0.8A, and 1.2A*
• Adjustable current limit 0.2A to 2.0A* (MIC20X7-MIC20X9)
• Adjustable current limit 0.1A to 0.9A* (MIC20X9A)
• Undervoltage lock-out (UVLO)
• Variable UVLO allows adjustable UVLO thresholds*
• Automatic load discharge for capacitive loads*
• Soft-start prevents large current inrush
• Adjustable slew rate allows custom slew rates*
• Automatic-on output after fault
• Thermal protection
