RJ11 SLIC Protection GR-1089-CORE Negative Voltage Tracking

Negative Battery Voltage SLIC Protection
GR-1089-CORE Intra-building Solution
Solution Products
TBU-PL060-200-WH
Objective
Compliance
The SLIC (Subscriber Line Interface
Circuit) provides all the BORSCHT
functions such as battery, ringing,
supervision between the codec and
telephone hand set. This PortNote®
solution protects negative battery
voltage solutions against surge and
power contact threats.
GR-1089-CORE intra-building, issue 5, port type 4.
• 120 Vrms, 25 A, 900 seconds withstand.
• 130 Vrms maximum AC withstand.
• Increased surge level to 5 kV, 500 A 2/10 µs.
Solution
1 TBU® High-Speed Protector:
TBU-PL060-200-WH
2 MOV Devices: MOV-10D201K
MOV-10D201K
GND
Alternate Recommendations
Other PortNote® Solutions:
• SLIC Protection - GR-1089-CORE Intra-building Solution
• Negative Battery Voltage SLIC Protection - ITU-T Solution
• Dual Supply Voltage SLIC Protection - ITU-T Solution
Benefit
This solution provides a high level of protection in
a small PCB area.
VDD
SLICTip
SLIC Line 1
Line 1
MOV-10D201K
SLIC
RJ11
TBU-PL060-200-WH
Design Kit
MOV-10D201K
SLICRing
SLIC Line 2
VSS
-VBAT
PN-DESIGNKIT-20
The schematic above illustrates the application protection and does not constitute the complete
circuit design. Customers should verify actual device performance in their specific applications.
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Fax +41-(0)41 768 55 10 Line 2
Fax +886-2 256 241 16
COPYRIGHT© 2012 • BOURNS, INC. • 6/12 • e/CPK1130 • “PortNote” is a registered service mark of Bourns, Inc.
“Bourns” and “TBU” are registered trademarks of Bourns, Inc. in the U.S. and other countries.
Bourns® PortNote® solutions provide protection
recommendations for typical port threats.
For more information, go to:
www.bourns.com
or email: [email protected]