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R5523N Datasheet Usb High-side Power Switch

Manufacturer: RICOH

Overview: R5523N SERIES USB HIGH-SIDE POWER SWITCH NO.EA-168-120921 OUTLINE The R5523N Series is CMOS-based high-side MOSFET switch IC for Universal Serial Bus (USB) applications. Low ON Resistance (Typ.130mΩ) and low supply current (Typ.20μA at active mode) are realized in this IC. An over-current limit circuit, a thermal shutdown circuit, and an under voltage lockout (UVLO) circuit are built-in as protection circuits. Further, a delay circuit for flag signal after detecting over-current, is embedded to prevent miss-operation of error flag because of inrush current. The R5523N Series is ideal for applications of protection for USB power supply. Since the package is small SOT-23-5, high density mounting on board is possible.

Datasheet Details

Part number R5523N
Manufacturer RICOH
File Size 299.28 KB
Description USB HIGH-SIDE POWER SWITCH
Datasheet R5523N-RICOH.pdf

General Description

Pin No 1 2 3 4 5 Symbol EN GND FLG VIN VOUT Pin Description Enable Pin Ground Pin FLG pin (Open Drain Output) Pow

Key Features

  • Built-in P-channel MOSFET Switch.
  • Supply Current Typ. 20μA (at Active Mode).
  • Switch ON Resistance Typ. 130mΩ.
  • Output Current Min. 500mA.
  • Flag Delay Time Typ. 10ms.
  • Package SOT-23-5.
  • Over- Current Limit / Short Circuit Protection.
  • Built-in Under Voltage Lockout (UVLO) Function.
  • Built-in Thermal Shutdown Protection.
  • Built-in Soft-start Function.

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