(China (Mainland))
Product Summary
The MAX1922ESA-C71073 is an 1A current-limited switch for 2 USB ports.The MAX1922ESA-C71073 current-limited 70mΩ switch with built-in fault blanking provides an accurate, preset 1.4A to 2.1A current limit, making it ideal for dual USB applications. Its low quiescent supply current (16μA) and standby current (1μA) conserve battery power in portable applications. The MAX1922ESA-C71073 operates with inputs from 2.7V to 5.5V, making it ideal for both 3V and 5V systems. Applications are (1)Notebook Computers; (2)USB Ports; (3)USB Hubs; (4)Docking Stations.
Parametrics
MAX1922ESA-C71073 absolute maximum ratings: (1)IN, EN, OC to GND: -0.3V to +6V; (2)OUT to GND: -0.3V to (VIN + 0.3V); (3)Maximum Switch Current: 2.3A (internally limited); (4)OUT Short-Circuit to GND: Continuous; (5)Continuous Power Dissipation (TA = +70°C)8-Pin SO (derate 5.88mW/°C above +70°C): 471mW; (6)Continuous Power Dissipation (TA = +70°C)10-Pin TDFN (derate 18.5mW/°C above +70°C): 1481mW; (7)Operating Temperature Range (extended): -40°C to +85°C; (8)Storage Temperature Range: -65°C to +150°C; (9)Lead Temperature (soldering, 10s): +300°C.
Features
MAX1922ESA-C71073 features: (1)Accurate Current Limit (1.4A min, 2.1A max); (2)10ms Internal OC Blanking Timeout; (3)OC Blanking During Power-Up; (4)125mΩ (max)High-Side MOSFET; (5)Short-Circuit and Thermal Protection with Overcurrent Logic Output; (6)Undervoltage Lockout; (7)16μA Quiescent Supply Current; (8)1μA (max)Standby Supply Current; (9)2.7V to 5.5V Supply Range; (10)UL Recognized: UL# E211395.
Diagrams
