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PRELIMINARY I N F O R M A T I O N
®
SP2026
+2.7V to +5.5V USB Power Control Switch
s 100µA On-State Supply Current s 1µA Shutdown Current s Output Can Be Forced Higher Than Input (Off-State) s Thermal Shutdown s 1ms Soft-Start Power Up s Active-High Version: SP2026-1 s Active-Low Version: SP2026-2
s Compliant to USB Specifications s +2.7V to +5.5V Input Voltage Range s Two Independent Power Switches s Two Error Flag Outputs, Open Drain s 2.4V Undervoltage Lockout s 500mA Minimum Continuous Load Current Per Switch s 1.25A Short Circuit Current Limit s 140mΩ Maximum On-Resistance
DESCRIPTION The SP2026 is a dual +2.7V to +5.5V supervisory power control switch that is current limited to 1.25A and has thermal shutdown to protect itself and the load.