TPP, TPP25011RL

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TPP25011
OVERVOLTAGE and OVERCURRENT PROTECTION for TELECOM LINE

Application Specific Discretes A.S.D.TM
FEATURES
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UNIDIRECTIONAL FUNCTION PROGRAMMABLE BREAKDOWN VOLTAGE UP TO 250 V PROGRAMMABLE CURRENT LIMITATION FROM 40 mA TO 500 mA SURGE CURRENT CAPABILITY IPP = 30A 10/1000 us SO-8

DESCRIPTION Dedicated to sensitive telecom equipment protection, this device can provide both voltage and current triggered protection with a very tight tolerance. The breakdown voltage can be easily programmed by using an external zener diode. A multiple protection mode can be also performed when using several zener diodes, providing to each line interface an optimized protection level. The current limiting function is achieved with the use of a resistor between the gate and the cathode. The value of the resistor will determine the level of the desired current.

SCHEMATIC DIAGRAM

COMPLIES WITH THE FOLLOWING STANDARDS : CCITT K17 : VDE 0433 : CNET : FCC part 68 : BELLCORE TR-NWT-000974 :
(*) with series resistors or PTC.

10/700 5/310 10/700 5/310 0.5/700 0.2/310 2/10 2/10

us us us us us us us us

1.5 38 2k 40 1.5 38 2.5 75

kV A V A (*) kV A kV A (*)

10/1000 us 10/1000 us

1 kV 30 A (*)

TM: ASD is trademarks of STMicroelectronics.

October 2003 - Ed: 5

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