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TISP61512P Datasheet(PDF) 1 Page - Power Innovations Ltd |
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TISP61512P Datasheet(HTML) 1 Page - Power Innovations Ltd |
1 / 11 page TISP61511D, TISP61512P DUAL FORWARD-CONDUCTING P-GATE THYRISTORS PROGRAMMABLE OVERVOLTAGE PROTECTORS PRODUCT INFORMATION 1 JULY 1995 - REVISED SEPTEMBER 1997 Copyright © 1997, Power Innovations Limited, UK Information is current as of publication date. Products conform to specifications in accordance with the terms of Power Innovations standard warranty. Production processing does not necessarily include testing of all parameters. PROGRAMMABLE SLIC OVERVOLTAGE PROTECTION from 0 V (ground) and a negative voltage in the region of -10 V to -70 V. The protector gate is connected to this negative supply. This references the protection (clipping) voltage to the negative supply voltage. As the protection voltage will track the negative supply voltage the overvoltage stress on the SLIC is minimised. Positive overvoltages are clipped to ground by diode forward conduction. Negative overvoltages are initially clipped close to the SLIC negative supply rail value. If sufficient current is available from the overvoltage, then the protector will crowbar into a low voltage on-state condition. As the current subsides the high holding current of the crowbar prevents d.c. latchup. These monolithic protection devices are fabricated in ion-implanted planar vertical power structures for high reliability and in normal system operation they are virtually transparent. The buffered gate design reduces the loading on the SLIC supply during overvoltages caused by power cross and induction. q Dual Voltage-Programmable Protectors. - Wide 0 to -80 V Programming Range - Low 5 mA max. Triggering Current - High 150 mA min. Holding Current q Rated for International Surge Wave Shapes q Functional Replacements for description The TISP61511D and TISP61512P are dual forward-conducting buffered p-gate overvoltage protectors. They are designed to protect monolithic Subscriber Line Interface Circuits, SLICs, against overvoltages on the telephone line caused by lightning, ac power contact and induction. The TISP61511D and TISP61512P limit voltages that exceed the SLIC supply rail voltage. The SLIC line driver section is typically powered VOLTAGE WAVE SHAPE STANDARD ITSP A 2/10 µs TR-NWT-001089 170 1.2/50 µs ETS 300 047-1 90 0.5/700 µs RLM88/I3124 40 10/700 µs K17, K20, K21 40 10/1000 µs TR-NWT-001089 30 DEVICE TYPE PACKAGE TYPE FUNCTIONAL REPLACEMENT LCP1511, LCP1511D, ATTL7591AS, MGSS150-1 8-pin Small-Outline TISP61511D or order as TISP61511DR for Taped and Reeled LCP1512, LCP1512D, ATTL7591AB, MGSS150-2 8-pin Plastic DIP TISP61512P device symbol Terminals K1, K2 and A correspond to the alternative line designators of T, R and G or A, B and C. The negative protection voltage is controlled by the voltage, V GG, applied to the G terminal. SD6XAE A K1 G K2 MD6XAJ '61512P PACKAGE (TOP VIEW) NC - No internal connection Terminal typical application names shown in parenthesis 1 2 3 4 5 6 7 8 K2 G K1 NC K1 A A K2 (Tip) (Ground) (Ground) (Ring) (Gate) (Tip) (Ring) MD6XAL '61511D PACKAGE (TOP VIEW) NC - No internal connection Terminal typical application names shown in parenthesis 1 2 3 4 5 6 7 8 K1 A A K2 G K1 K2 NC (Tip) (Ground) (Ground) (Ring) (Gate) (Tip) (Ring) |
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