What is L7591?


This is Subscriber Line Interface Circuit Protector.
[PDF] Complete Technical Details can be found in the L7591 datasheet provided at this page.

Summary in PDF File


Data Sheet October 1997 L7591 Subscriber Line Interface Circuit Protector Features s Description The L7591 Subscriber Line Interface Circuit SLIC Protector is designed to protect line feed circuitry from fault induced lightning and power cross surge pulses If a fault current forces TIP and or RING to a more negative voltage than VS current is conducted through the trip circuit When the speci ed trip current level is reached transistors PNPN1 and or PNPN2 will turn on and crowbar the majority of the current to ground If similar pulses force TIP and or RING to a more positive state than ground diodes D1 and or D2 will conduct the pulse to ground The L7591 SLIC Protector is available in an 8 pin plastic DIP L7591AB and in an 8 pin plastic SONB package L7591AS Shunts lightning pulses to ground Positive or negative 30 A 10 x 1000 s Positive or negative 40 A 5 x 320 s Positive or negative 80 A 2 x 10 s Power cross protection 3 5 APEAK 50 Hz to 60 Hz 1 s 5 0 APEAK 50 Hz to 60 Hz 10 ms Gate trigger current 15 mA max Up to 80 V capability Holding current 150 mA min s s s s Pin Information Table 1 Pin Description Applies to DIP and SONB packages Pin 1 2 3 4 5 6 7 8 Symbol TIP VS RING PR GND GND PT Na

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L7591


[ Detailed Data ]



Manufacturers : Agere Systems

AGERE - L7591 Datasheet PDF

AGERE L7591 DATA

Subscriber Line Interface Circuit Protector


Datasheet L7591 PDF DownLoad ( AGERE )