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          SGM2553/D

          SGM2553/D
          Precision Adjustable Current Limited Power Distribution Switch
           
          Precision Adjustable Current Limited Power Distribution Switch
          GENERAL DESCRIPTION

          The SGM2553 and SGM2553D power distribution switches are intended for applications where precision current limiting is required or heavy capacitive loads and short circuits are encountered and provide up to 1.5A of continuous load current. These devices offer a programmable current limit threshold between 100mA and 1.7A via an external resistor. The power switch rise and fall times are controlled to minimize current surges during turn on/off. The SGM2553D has quick auto-discharge function in disable status.

          SGM2553 and SGM2553D devices limit the output current to a safe level by using a constant-current mode when the output load exceeds the current limit threshold. An internal reverse-voltage comparator disables the power switch when the output voltage is driven higher than the input to protect devices on the input side of the switch. The FAULT output asserts low during over-current, thermal shutdown and reverse-voltage conditions.

          SGM2553 and SGM2553D are available in Green TDFN-2×2-6L and SOT-23-6 packages. They are rated over the -40 to +85 temperature range.

          PIN CONFIGURATIONS

          Snap1.png   Snap2.png

          FEATURES
          • Up to 1.5A Maximum Load Current

          • Meets USB Current Limiting Requirements

          • Adjustable Current Limit: 100mA to 1.7A

          • Fast Over-Current Response: 2μs

          • 90mΩ High-side MOSFET

          • No Reverse Leakage Current of High-side MOSFET

          • Reverse Input-Output Voltage Protection

          • Operating Range: 2.5V to 5.5V

          • Built-In Soft-Start Function

          • Quick Auto-Discharge in Disable Status (SGM2553D)

          • Evaluated to IEC 60950-1, Ed 2, Am1, Annex CC, Test Program 1 with CB Report

          • Available in Green TDFN-2×2-6L and SOT-23-6 Packages

          APPLICATIONS

          USB Ports/Hubs

          Digital TV

          Set-Top Boxes

          VOIP Phones

          ORDERING INFORMATION
          Part NumberStatusPackagePinsPb-FreeTemp Range
          SGM2553YN6G/TRProductionSOT-23-66Y-40℃ to +85℃Samples
          SGM2553YTDI6G/TRProductionTDFN-2×2-6L6Y-40℃ to +85℃Samples
          SGM2553DYN6G/TRProductionSOT-23-66Y-40℃ to +85℃Samples
          SGM2553DYTDI6G/TRProductionTDFN-2×2-6L6Y-40℃ to +85℃Samples

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