SGM2581E.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)
• Evaluated to IEC 60950-1, Ed 2, Am1, Annex CC,
Test Program 1 with CB Report (SGM2581A/C/E)
• Available in the Green SOT-23-5 Package
• Input operating voltage range (VIN): 1 V to 5.5 V
• Maximum continuous current (IMAX): 2 A
• On-resistance (RON):
– 5 VIN = 80 mΩ (typical)
– 1.8 VIN = 120 mΩ (typical)
– 1 VIN = 220 mΩ (typical)
• Ultra-low power consumption:
– ON state (IQ): 0.5 μA (typical)
– OFF state (ISD): 10 nA (typical)
• Smart ON pin pulldown (RPD):
– ON ≥ VIH (ION): 10 nA (maximum)
– ON ≤ VIL (RPD): 750 kΩ (typical)
• Adjustable turn ON limits inrush current (tON):
– 5-V tON = 100 μs at 72 mV/μs (CT = open)
– 5-V tON = 4000 μs at 2.3 mV/μs (CT = 1000 pF)
• Adjustable output discharge and fall time:
– Optional QOD resistance ≥ 150 Ω (internal)
• Always-ON true Reverse Current Blocking (RCB):
– Activation current (IRCB): –500 mA (typical)
– Reverse leakage (IIN,RCB): –1 μA (maximum)
