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SN65220 Datasheet Preview

SN65220 Datasheet

USB Port Transient Suppressors

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SLLS266I – FEBSSRNNU66AR55Y222210099,,7SSNNR66E55V22IS44E00D,, ASSPNNR77IL552220442001
SLLS266I – FEBRUARY 1997 – REVISED APRIL 2021
SNx52x0 USB Port Transient Suppressors
1 Features
• Design to protect submicron 3-V or 5-V
circuits from noise transients
• Port ESD protection capability exceeds:
– 15-kV human body model
– 2-kV machine model
• Available in a WCSP chip-scale package
• Stand-off voltage: 6 V (minimum)
• Low current leakage: 1-µA maximum at 6 V
• Low capacitance: 35-pF (typical)
2 Applications
• USB full-speed host, HUB, or peripheral
• Ports
USB
Transceiver
27
D+
A
15 k
GND
SN65220 or ½
SNx5240
15 k
B
D-
27
Simplified Schematic
3 Description
The SN65220 device is a dual, and the SN65240
and SN75240 devices are quadruple, unidirectional
transient voltage suppressors (TVS). These devices
provide electrical noise transient protection to
Universal Serial Bus (USB) low and full-speed ports.
The input capacitance of 35 pF makes it unsuitable for
high-speed USB 2.0 applications.
Any cabled I/O can be subjected to electrical
noise transients from various sources. These noise
transients can cause damage to the USB transceiver
or the USB ASIC if they are of sufficient magnitude
and duration.
The SN65220, SN65240, and SN75240 devices
ESD performance is measured at the system level,
according to IEC61000-4-2; system design, however,
impacts the results of these tests. To accomplish a
high compliance level requires careful board design
and layout techniques.
Device Information(1)
PART NUMBER
PACKAGE
BODY SIZE (NOM)
SN65220
SOT-23 (6)
DSBGA (4)
2.90 mm × 1.60 mm
0.925 mm × 0.925 mm
SN65240
SN75240
PDIP (8)
TSSOP (8)
9.09 mm × 6.35 mm
3.00 mm × 4.40 mm
(1) See the orderable addendum at the end of the data sheet for
all available packages.
7.5
5
2.5
0
-2.5
-5
-7.5
-10
-10 -5 0 5 10 15
Voltage – V
TVS Current vs Voltage
CopyrighAtn©I2M0P21OTReTxaAsNInTsNtruOmTeInCtsEInactotrhpeoreatnedd of this data sheet addresses availability, warranty, changes, use iSnusbamfeittyD-corcituicmael anpt pFleiceadtbioancsk,
1
intellectual property matters and other important disclaimers. PRODUCTION DATA.
Product Folder Links: SN65220 SN65240 SN75240




etcTI

SN65220 Datasheet Preview

SN65220 Datasheet

USB Port Transient Suppressors

No Preview Available !

SN65220, SN65240, SN75240
SLLS266I – FEBRUARY 1997 – REVISED APRIL 2021
www.ti.com
Table of Contents
1 Features............................................................................1
2 Applications..................................................................... 1
3 Description.......................................................................1
4 Revision History.............................................................. 2
5 Device Comparison Table...............................................3
6 Pin Configuration and Functions...................................3
7 Specifications.................................................................. 4
7.1 Absolute Maximum Ratings........................................ 4
7.2 ESD Ratings............................................................... 4
7.3 Recommended Operating Conditions.........................4
7.4 Thermal Information....................................................4
7.5 Electrical Characteristics.............................................4
7.6 Typical Characteristics................................................ 5
8 Parameter Measurement Information............................ 5
9 Detailed Description........................................................6
9.1 Overview..................................................................... 6
9.2 Functional Block Diagram........................................... 6
9.3 Feature Description.....................................................7
9.4 Device Functional Modes............................................7
10 Application and Implementation.................................. 8
10.1 Application Information............................................. 8
10.2 Typical Application.................................................... 8
11 Power Supply Recommendations..............................10
12 Layout...........................................................................10
12.1 Layout Guidelines................................................... 10
12.2 Layout Example...................................................... 10
13 Device and Documentation Support..........................11
13.1 Related Links.......................................................... 11
13.2 Receiving Notification of Documentation Updates.. 11
13.3 Support Resources................................................. 11
13.4 Trademarks............................................................. 11
13.5 Electrostatic Discharge Caution.............................. 11
13.6 Glossary.................................................................. 11
14 Mechanical, Packaging, and Orderable
Information.................................................................... 11
4 Revision History
NOTE: Page numbers for previous revisions may differ from page numbers in the current version.
Changes from Revision H (May 2015) to Revision I (April 2021)
Page
• Updated the numbering format for tables, figures and cross-references throughout the document ..................1
• Updated the units for resistance from O to Ω in the Simplified Schematic figure............................................... 1
• Updated the units from O to Ω in the Typical Application Schematic for ESD Protection of USB Transceivers
figure ..................................................................................................................................................................8
• Updated the units from O to Ω in the Layout Example of a 4-Layer Board With SN65220 figure.................... 10
Changes from Revision G (August 2008) to Revision H (May 2015)
Page
• Added Pin Configuration and Functions section, ESD table, Thermal Information table, Feature Description
section, Device Functional Modes, Application and Implementation section, Power Supply Recommendations
section, Layout section, Device and Documentation Support section, and Mechanical, Packaging, and
Orderable Information section ........................................................................................................................... 1
2
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Product Folder Links: SN65220 SN65240 SN75240
Copyright © 2021 Texas Instruments Incorporated


Part Number SN65220
Description USB Port Transient Suppressors
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