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The FSUSB31 is Dual SPST isolation switch. This part is optimized for switching between two HS (480Mbps) sources or a HS and FS (12Mbps) source that meets USB2.0 specifications. The FSUSB31 also has special circuitry on the D +, D − pins that allows it to withstand an over voltage condition. This part also features very low quiescent current even when the control voltage is lower than the VCC supply. This feature services mobile handset applications well allowing for direct interface with the baseband processor general purpose I/Os. Typical applications involve switching in portables and consumer applications such as cell phones, digital cameras and notebooks with hubs or controllers. The wide bandwidth (>720MHz) of this switch exceeds the bandwidth needed to pass the 3rd harmonic resulting in signals with minimum edge and phase distortion. Superior channel-tochannel crosstalk also results with minimal interference.
FSUSB31 Maximum Ratings
Symbol
Parameter
Rating
VCC
Supply Voltage
−0.5V to +4.6V
VS
DC Input Voltage1
−0.5V to +4.6V
VIN
DC Switch Voltage1 HSD D+, D−
−0.5V to VCC + 0.3V −0.5V to +4.6V
DC Input Diode Current
−50mA
DC Output Current
50mA
Storage Temperature
−65°C to +150°C
ESD (Human Body Model) All Pins I/O to GND
8 KV 8 KV
FSUSB31 Features
10A maximum ICCT current over an expanded control voltage range (VIN = 2.6V, VCC = 4.3V) Lower Capacitance: Con = 6.5pF Typ 6.0 typical On Resistance (RON) −3dB bandwidth: > 720MHz Low power consumption (1A maximum) Packaged in: Pb-Free 8-lead MicroPakTM (1.6mm by 2.1mm) Pb-Free 8-lead US8 8kV ESD performance Power OFF protection when VCC = 0V, D+, D pins can tolerate up to 4.3V
FSUSB31 Typical Application
Cell phone, PDA, Digital Camera, and Notebook LCD Monitor, TV, and Set-top Box