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1.1A Output Current, 1.85A Fixed Current Limit, Low Power
SGM2555 SGM2555.pdf

No.10942

FEATURES

 95mΩ (TYP) High-side N-Channel MOSFET

 Guaranteed 1.1A Continuous Current

 1.85A Current Limit

 Input Voltage Range: 2.2V to 5.5V

 Low 19μA Supply Current

 Less than 1μA in Shutdown Mode

 Soft-Start Function

 Thermal Shutdown Protection

 Under-Voltage Lockout Protection for VIN

 No Reversed Leakage Current

 Available in Green TDFN-2×2-6L Package

DESCRIPTION

The SGM2555 is an integrated 95mΩ (TYP) power switch for self-powered and bus-powered Universal Series Bus (USB) applications. A built-in charge pump is used to drive the N-Channel MOSFET that is free of parasitic body diode to eliminate any reversed current flow across the switch when it is powered off. Low quiescent supply current and small package are particularly suitable in battery-powered portable equipment.

Several protection functions include soft-start to limit inrush current during plug-in, current limiting at 1.85A to meet USB power requirement, and thermal shutdown to protect damage under over current conditions. The SGM2555 is available in a Green TDFN-2×2-6L package and is rated over the -40℃ to +85℃ temperature range.

APPLICATION CIRCUIT
PIN CONFIGUTION
網(wǎng)站地圖
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