USBLC6-4SC6 datasheet(1/13 Pages) STMICROELECTRONICS

Part #	USBLC6-4SC6

Description	Very low capacitance ESD protection

PDF	13 Pages

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Manufacturer	STMICROELECTRONICS [STMicroelectronics]

Direct Link	http://www.st.com

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1 / 13 page

February 2008

Rev 3

1/13

13

USBLC6-4

Very low capacitance ESD protection

Features

■ 4 data lines protection

■ Protects VBUS

■ Very low capacitance: 3 pF typ.

■ SOT23-6L package

■ RoHS compliant

Benefits

■ Very low capacitance between lines to GND for

optimized data integrity and speed

■ Low PCB space consumption, 9 mm²

maximum foot print

■ Enhanced ESD protection. IEC 61000-4-2 level

4 compliance guaranteed at device level,

hence greater immunity at system level

■ ESD protection of VBUS. Allows ESD current

flowing to Ground when ESD event occurs on

data line

■ High reliability offered by monolithic integration

■ Low leakage current for longer operation of

battery powered devices

■ Fast response time

■ Consistent D+ / D- signal balance:

– Best capacitance matching tolerance

I/O to GND = 0.015 pF

– Compliant with USB 2.0 requirements

< 1 pF

Complies with the following standards

■ IEC 61000-4-2 level 4:

– 15 kV (air discharge)

– 8 kV (contact discharge)

Applications

■ USB 2.0 ports up to 480 Mb/s (high speed)

■ Backwards compatible with USB 1.1 low and

full speed

■ Ethernet port: 10/100 Mb/s

■ SIM card protection

■ Video line protection

■ Portable electronics

Description

The USBLC6-4SC6 is a monolithic application

specific device dedicated to ESD protection of

high speed interfaces, such as USB 2.0, Ethernet

links and video lines.

Its very low line capacitance secures a high level

of signal integrity without compromising in

protecting sensitive chips against the most

stringent characterized ESD strikes.

Figure 1.

Functional diagram

SOT23-6L

11

6

2

5

3

4

I/O1

I/O4

GND

VBUS

I/O2

I/O3

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