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FSUSB30 Low-Power, Two-Port, High-Speed USB 2.0 (480Mbps) Switch
September 2008
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: 6.5Ω (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)
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
Applications
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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
Eco
Status
RoHS
Green
Green
Green
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
For Fairchild’s definition of “green” Eco Status, please visit:
http://www.fairchildsemi.com/company/green/rohs_green.html.
1D+
USB2.0
Controller
Set Top Box
(STB) CPU
or
DSP
Processor
1D–
D–
2D+
DVR or
Mass Storage
2D–
Controller
Control
S
OE
V
CC
FSUSB30
D+
USB
Connector
Figure 1. Typical Application
MicroPak™ is a trademark of Fairchild Semiconductor Corporation.
© 2006 Fairchild Semiconductor Corporation
FSUSB30 Rev. 1.1.6
www.fairchildsemi.com
FAIRCHILD [ FAIRCHILD SEMICONDUCTOR ]
