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
? Quiescent Current: 23μA (TYP)
? Shutdown Current: 0.1μA (TYP)
? Soft-Start Function
? Thermal Shutdown Protection
? Under-Voltage Lockout Protection for VIN
? No Reversed Leakage Current (Reverse Blocking)
? Fault Flag (nFAULT) 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 Green SOT-23-5 Package
? MIC20X3 – MIC20X970mΩ
typical on-resistance @ 5V
? MIC2005A/20X9A170mΩ
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
