Fairchild FSUSB30 Data Sheet
Summary
This high-speed USB 2.0 switch is engineered for reliable, low-power connectivity switching in portable and embedded electronics. Featuring a two-port, double-pole setup and operating up to 480Mbps, it ensures robust signal integrity while minimizing power draw. This manual provides comprehensive technical specifications, connection schematics, and advanced application details, making it essential for developers working on digital cameras, cell phones, set-top boxes, printers, and notebook computers requiring shared, high-speed I/O control.
Page 1 Text Content
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FSU SB 30 Low -Pow er, Tw o-Port, H igh-Speed U SB 2.0 (480M bps) Sw itch
September 2008
FSUSB30 Low-Power, Two-Port, High-Speed USB 2.0 (480Mbps) Switch Features Description Low On Capacitance: 3.7p F (Typical) The FSUSB30 is a low-power, two-port, high-speed USB Low On Resistance: 6.5Ω (Typical) 2.0 switch. Configured as a double-pole double-throw Low Power Consumption: 1µA (Maximum) (DPDT) switch, it is optimized for switching between two 10µA Maximum ICCT over an Expanded Control high-speed (480Mbps) sources or a Hi-Speed and Full- Voltage Range (VIN = 2.6V, VCC = 4.3V) Speed (12Mbps) source. The FSUSB30 is compatible
Wide -3d B Bandwidth, >720MHz with the requirements of USB2.0 and features an 8KV ESD Protection extremely low on capacitance (CON) of 3.7p F. The wide Power-Off Protection when VCC = 0V; D+/D- Pins can bandwidth of this device (720MHz), exceeds the band- Tolerate up to 5.5V width needed to pass the third harmonic, resulting in sig- Packaged in: nals with minimum edge and phase distortion. Superior 10-lead Micro Pak™ (1.6 x 2.1mm) channel-to-channel crosstalk minimizes interference.
14-lead DQFN
The FSUSB30 contains special circuitry on the D+/D-
10-lead MSOP
pins which allows the device to withstand an overvoltage
10-lead UMLP (1.4 x 1.8mm)
condition when powered off. This device is also designed to minimize current consumption even when the control
Applications
voltage applied to the S pin, is lower than the supply volt-
Cell phone, PDA, Digital Camera, and Notebook LCD
age (VCC). This feature is especially valuable to ultra-
Monitor, TV, and Set-top Box
portable applications such as cell phones, allowing for
Related Application Notes direct interface with the general purpose I/Os of the AN-6022 Using the FSUSB30 / FSUSB31 to Comply baseband processor. Other applications include switch- with USB 2.0 Fault Condition Requirements ing and connector sharing in portable cell phones, PDAs,
digital cameras, printers, and notebook computers.
Ordering Information Order Package Product Code Eco Number Number Top Mark Status Package Description FSUSB30L10X MAC010A FJ Ro HS 10-Lead Micro Pak, 1.6 x 2.1mm
14-Terminal Depopulated Quad Very-Thin Flat Pack
FSUSB30BQX MLP014A USB30 Green
No Leads (DQFN), JEDEC MO-241, 2.5 x 3.0mm 10-Lead Molded Small Outline Package (MSOP),
FSUSB30MUX MUA10A FSUSB30 Green
JEDEC MO-187, 3.0mm Wide
FSUSB30UMX MLP010A GJ Green 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.
FSUSB30
VCC 1D+
USB2.0 D+
Controller 1D–
Set Top Box USB Connector
(STB) CPU
or D–
DSP 2D+
Processor DVR or Mass Storage
2D– Control
Controller
Figure 1. Typical Application
Micro Pak™ is a trademark of Fairchild Semiconductor Corporation.
© 2 006 Fairchild Semiconductor Corporation www.fairchildsemi.com FSU SB30 Rev. 1.1.6
Page Summary Contents For Fairchild FSUSB30 Data Sheet
Manual Details
| Brand | Fairchild |
|---|---|
| Pages | 18 |
| File Size | 1.21 MB |
| Published | May 28, 2026 |
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Frequently Asked Questions
What is the maximum ESD protection rating?
The device tolerates up to 5.5V and has an 8KV ESD Human Body Model I/O to GND protection.
How low does the power consumption get?
It can achieve a very low power consumption of 1µA (Maximum) when configured as a DPDT switch.
What types of packages are available for this device?
Three packages are listed: 10-lead MicroPak, 14-terminal DQFN, and ULMP.
Is the switch compatible with USB 2.0 requirements?
Yes, it features circuitry allowing compatibility with the requirements of USB 2.0 and includes CC support.