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FSUSB30 Low-Power, Two-Port, High-Speed USB 2.0 (480Mbps) Switch
February 2012
FSUSB30
Low-Power, Two-Port, High-Speed USB 2.0 (480Mbps)
Switch
Features
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Description
The FSUSB30 is a low-power, two-port, high-speed USB
2.0 switch. Configured as a double-pole double-throw
(DPDT) switch, it is optimized for switching between two
high-speed (480Mbps) sources or a Hi-Speed and Full-
Speed (12Mbps) source. The FSUSB30 is compatible
with the requirements of USB2.0 and features an
extremely low on capacitance (C
ON
) of 3.7pF. The wide
bandwidth of this device (720MHz), exceeds the band-
width needed to pass the third harmonic, resulting in sig-
nals with minimum edge and phase distortion. Superior
channel-to-channel crosstalk minimizes interference.
The FSUSB30 contains special circuitry on the D+/ D-
pins which allows the device to withstand an overvoltage
condition when powered off. This device is also designed
to minimize current consumption even when the control
voltage applied to the S pin, is lower than the supply volt-
age (V
CC
). This feature is especially valuable to ultra-
portable applications such as cell phones, allowing for
direct interface with the general purpose I/Os of the
baseband processor. Other applications include switch-
ing and connector sharing in portable cell phones, PDAs,
digital cameras, printers, and notebook computers.
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Low On Capacitance: 3.7pF (Typical)
Low On Resistance: 6.5 (Typical)
Low Power Consumption: 1µA (Maximum)
– 10µA Maximum I
CCT
over an Expanded Control
Voltage Range (V
IN
= 2.6V, V
CC
= 4.3V)
Wide -3dB Bandwidth, >720MHz
8KV ESD Protection
Power-Off Protection when V
CC
= 0V; D+/D- Pins can
Tolerate up to 5.5V
Packaged in:
– 10-lead MicroPak™ (1.6 x 2.1mm)
– 14-lead DQFN
– 10-lead MSOP
– 10-lead UMLP (1.4 x 1.8mm)
Applications
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Cell phone, PDA, Digital Camera, and Notebook LCD
Monitor, TV, and Set-top Box
AN-6022 Using the FSUSB30 / FSUSB31 to Comply
with USB 2.0 Fault Condition Requirements
Related Application Notes
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Ordering Information
Order
Number
FSUSB30L10X
FSUSB30BQX
FSUSB30MUX
FSUSB30UMX
Package
Number
MAC010A
MLP014A
MUA10A
MLP010A
Product Code
Top Mark
FJ
USB30
FSUSB30
GJ
Package Description
10-Lead MicroPak, 1.6 x 2.1mm
14-Terminal Depopulated Quad Very-Thin Flat Pack
No Leads (DQFN), JEDEC MO-241, 2.5 x 3.0mm
10-Lead Molded Small Outline Package (MSOP), JEDEC MO-
187, 3.0mm Wide
10-Lead, Quad, Ultrathin, MLP (UMLP) 1.4 x 1.8mm
1D+
V
CC
FSUSB30
D+
1D–
D–
2D+
USB
Connector
USB2.0
Controller
Set Top Box
(STB) CPU
or
DSP
Processor
DVR or
Mass Storage
2D–
Controller
Control
S
OE
Figure 1. Typical Application
MicroPak is a trademark of Fairchild Semiconductor Corporation.
© 2006 Fairchild Semiconductor Corporation
FSUSB30 Rev. 1.1.7
www.fairchildsemi.com
FAIRCHILD [ FAIRCHILD SEMICONDUCTOR ]
