SGM2578A.pdf? Integrated N-MOSFET Load Switch
? 1V to 5.5V Input Voltage Range
? Low On-Resistance
RON = 29mΩ at VIN = 4.35V
RON = 30mΩ at VIN = 3.3V
RON = 36mΩ at VIN = 1.0V
? 2A Maximum Continuous Switch Current
? Low Shutdown Current: 90nA (TYP)
? Reverse Current Protection (When Disabled)
? Low Threshold 1.8V GPIO Control Input
? Bidirectional Power Supply for Power Zone Application
? Rise Time:
SGM2578AAD: 200μs (TYP)
SGM2578ABD: 5000μs (TYP)
? Quick Output Discharge
? Available in a Green WLCSP-0.9×0.9-4B-A Package
? Input Operating Voltage Range (VIN): 1 V–5.5 V
? Maximum Continuous Current (IMAX): 2 A
? Low ON-Resistance (RON):
– 5 VIN = 60 mΩ (typ), 100 mΩ (85°C max)
– 1.8 VIN = 100 mΩ (typ), 150 mΩ (85°C max)
– 1 VIN = 200 mΩ (typ), 325 mΩ (85°C max)
? Ultra-Low Power Consumption:
– ON State (IQ): 0.5 μA (typ), 1.1 μA (85°C max)
– OFF State (ISD): 15 nA (typ), 150 nA (85°C max)
? Slow Timing in C Version Reduces Inrush Current (typical):
– 5-V Turnon time (tON): 1400 μs at 5 mV/μs
– 1.8-V Turnon time (tON): 3000 μs at 1 mV/μs
– 1-V Turnon time (tON): 6500 μs at 0.3 mV/μs
? Fast Timing in B Version Reduces Wait Time(typ)：
– 5-V Turnon time (tON): 105 μs at 38 mV/μs
– 1.8-V Turnon time (tON): 225 μs at 14 mV/μs
– 1-V Turnon time (tON): 470 μs at 3.8 mV/μs
? Always-ON True Reverse Current Blocking (RCB):
– ON State Activation Current (IRCB): –500 mA(typ)
– OFF State Leakage (IIN,RCB): –300 nA (85°C max)
