General Description

The RT9702 and RT9702A are cost-effective, low voltage, single N-Channel MOSFET high-side power switches, optimized for self-powered and bus- powered Universal Serial Bus (USB) applications.

Features

Compliant to USB Specifications

Built-In (Typically 80mΩ) N-Channel MOSFET

Output Can Be Forced Higher Than Input (Off-State)

Low Supply Current :

  25μA Typical at Switch On State

  1μA Typical at Switch Off State

Guaranteed 500mA/RT9702 and 1.1A/RT9702A Continuous Load Current

Wide Input Voltage Ranges : 2V to 5.5V

Open-Drain Fault Flag Output

Hot Plug-In Application (Soft-Start)

1.7V Typical Under-Voltage Lockout (UVLO)

Current Limiting Protection

Thermal Shutdown Protection

Reverse Current Flow Blocking (no body diode)

Smallest SOT-23-5 and TSOT-23-5 Packages Minimizes Board Space

UL Approved−E219878

TUV IEC60950-1 : 2005Certified

RoHS Compliant and 100% Lead (Pb)-Free

Applications

USB Bus/Self Powered Hubs

USB Peripherals

ACPI Power Distribution

PC Card Hot Swap

Notebook, Motherboard PCs

Battery-Powered Equipment

Hot-Plug Power Supplies

Battery-Charger Circuits