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          SGM2581A/B/G

          SGM2581A/B/G
          Power Distribution Switch
           
          Power Distribution Switch
          GENERAL DESCRIPTION

          The SGM2581 is an integrated 100mΩ (TYP) power switch for self-powered and bus-powered universal series bus (USB) applications.

          The SGM2581 is internally current limited and has thermal shutdown that protects device and load from over-current damage. Thermal shutdown shuts off the output MOSFET and asserts the nFAULT output if the die temperature exceeds +150, and the output MOSFET remains off until the die temperature drops to +130.

          This device employs soft-start circuit that minimizes inrush current in applications where highly capacitive loads are employed.

          An open drain nFAULT flag asserts low during over- current and thermal conditions after a 13ms blanking time to prevent false reporting.

          SGM2581 is available in a Green SOT-23-5 package. It is rated over the -40 to +85 temperature range.

          PIN CONFIGURATIONS

          1582260854638415.png

          FEATURES
          • 100mΩ (TYP) High-side N-Channel MOSFET

          • Three Current Limit Levels

              SGM2581A/B/G: 1100 ± 110mA

          • 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 a Green SOT-23-5 Package

          APPLICATIONS

          General Purpose Power Switching

          USB Bus/Self-Powered Hubs/ Peripherals

          ACPI Power Distribution

          Smart Phone & LCD TV

          ORDERING INFORMATION
          Part NumberStatusPackagePinsPb-FreeTemp Range
          SGM2581GYN5G/TRProductionSOT-23-55Y-40℃ to +85℃Samples
          SGM2581BYN5G/TRProductionSOT-23-55Y-40℃ to +85℃Samples
          SGM2581AYN5G/TRProductionSOT-23-55Y-40℃ to +85℃Samples

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