USBUF01P6 STMicroelectronics, USBUF01P6 Datasheet

IC EMI FLTR/LINE TERM SOT-666

USBUF01P6

Manufacturer Part Number
USBUF01P6
Description
IC EMI FLTR/LINE TERM SOT-666
Manufacturer
STMicroelectronics
Series
IPAD™r
Datasheet

Specifications of USBUF01P6

Filter Type
Signal Line
Mounting Type
Surface Mount
Termination Style
Surface Mount (SMD,SMT)
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Inductance
-
Lead Free Status / Rohs Status
Lead free / RoHS Compliant
Other names
497-3282-2

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Features
Benefits
Complies with the following standards:
Applications
EMI Filter and line termination for USB upstream
ports on:
February 2010
Monolithic device with recommended line
termination for USB upstream ports
Integrated R
bypassing capacitors.
Integrated ESD protection
Small package size
EMI / RFI noise suppression
Required line termination for USB upstream
ports
ESD protection exceeding
IEC 61000-4-2 level 4
High flexibility in the design of high density
boards
Tailored to meet USB 2.0 standard (low speed
and full speed data transmission)
IEC 61000-4-2 level4:
– 15 kV (air discharge)
– 8 kV (contact discharge)
MIL STD 883E-Method 3015-7:
– Class 3, C = 100 pF, R = 1500
– 3 positive strikes, 3 negative strikes
USB Hubs
PC peripherals
(F = 1 Hz)
IPAD™ EMI filter and line termination for USB upstream ports
t
series termination and C
t
Doc ID 9883 Rev 7
Figure 1.
Description
The USB specification requires upstream ports to
be terminated with pull-up resistors from the D+
and D- lines to V
USB systems, the radiated and conducted EMI
should be kept within the required levels as stated
by the FCC regulations. In addition to the
requirements of termination and EMC
compatibility, the computing devices are required
to be tested for ESD susceptibility.
The USBUF01P6 provides the recommended line
termination while implementing a low pass filter to
limit EMI levels and providing ESD protection
which exceeds IEC 61000-4-2 level 4 standard.
The device is packaged in a SOT-666, which is
the smallest available lead-frame package (45%
smaller than the standard SOT323).
TM: IPAD is a trademeark of STMicroelectronics
GND
D2
D1
Functional diagram (top view)
bus
. For the implementation of
SOT-666IP
Ct
Ct
Rt
Rt
USBUF01P6
3.3 V
Rp
D4
3.3 V
D3
www.st.com
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USBUF01P6 Summary of contents

Page 1

... FCC regulations. In addition to the requirements of termination and EMC compatibility, the computing devices are required to be tested for ESD susceptibility. The USBUF01P6 provides the recommended line termination while implementing a low pass filter to limit EMI levels and providing ESD protection which exceeds IEC 61000-4-2 level 4 standard. ...

Page 2

... Parameter IEC 61000-4-2 air discharge IEC 61000-4-2 contact discharge MIL STD 883E - Method 3015 °C) amb Parameter Test conditions Min 3.3 V per line RM Tolerance ± 10% Tolerance ± 10% Tolerance ± 20% Doc ID 9883 Rev 7 USBUF01P6 Value ± 16 ± 9 ± 25 150 -55 to +150 260 - ...

Page 3

... Rd D+ out D+ Gnd out LOW SPEED CONNECTION Doc ID 9883 Rev 7 Technical information 3.3V 1. Full-speed USB Ct Transceiver Hub 0 or Full-speed function 3.3V 1. Low-speed USB Ct Transceiver Hub 0 or Low-speed function USBUF01P6 Upstream port D+ D2 GND 3 3.3V USBUF01P6 Upstream port D+ D2 GND 3 3.3V 3/9 ...

Page 4

... Conducted EMI covers the 450 kHz to 30 MHz range. For the types of device compliant with the USB standard, the most difficult test to pass is usually the radiated EMI test. For this reason the USBUF01P6 device aims to minimize radiated EMI. The differential signal (D+ and D-) of USB devices does not contribute significantly to radiated or conducted EMI because the magnetic field of each conductor cancels out the other ...

Page 5

... ESD susceptibility. This test is described in IEC 61000-4-2 and is already in place in Europe. This test requires that a device tolerates ESD events and remains operational without user intervention. The USBUF01P6 is particularly optimized to perform ESD protection. ESD protection is based on the use of device which clamps at: V ...

Page 6

... S2 (V input positive ESD surge Note: The USBUF01P6 acts not only for positive ESD surges but also for negative ones. For these kinds of disturbances it clamps close to ground voltage as shown in 6/9 side due the low current involved after the resistance R output ...

Page 7

... USBUF01P6 3 Package information ● Epoxy meets UL94, V0 ● Lead-free package In order to meet environmental requirements, ST offers these devices in different grades of ® ECOPACK packages, depending on their level of environmental compliance. ECOPACK specifications, grade definitions and product status are available at: www.st.com. ® ECOPACK trademark. Table 3. ...

Page 8

... Typing error in table 2 on page 2: change W and kW unit 6 to and k unit. Updated GND pin annotation in Figures pin numbering indication to illustration and updated 7 dimension values in specifications in Doc ID 9883 Rev 7 USBUF01P6 Base qty Delivery mode 3000 Tape and reel Changes 1 and 3. Added Table 3. Updated mechanical Section 3 ...

Page 9

... USBUF01P6 Information in this document is provided solely in connection with ST products. STMicroelectronics NV and its subsidiaries (“ST”) reserve the right to make changes, corrections, modifications or improvements, to this document, and the products and services described herein at any time, without notice. All ST products are sold pursuant to ST’s terms and conditions of sale. ...

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