TISP61089 Bourns, Inc., TISP61089 Datasheet

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TISP61089

Manufacturer Part Number
TISP61089
Description
Manufacturer
Bourns, Inc.
Datasheet

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Copyright © 1998, Power Innovations Limited, UK
description
P R O D U C T
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.
V
60 Hz POWER
The TISP61089 is a dual forward-conducting
buffered p-gate overvoltage protector. It is
designed to protect monolithic SLICs (Subscriber
Line Interface Circuits) against overvoltages on
the telephone line caused by lightning, a.c.
power contact and induction. The TISP61089 limits voltages that exceed the SLIC supply rail voltage. The
TISP61089 parameters are specified to allow equipment compliance with Bellcore GR-1089-CORE, Issue 1.
The SLIC line driver section is typically powered from 0 V (ground) and a negative voltage in the region of
-10 V to -75 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 then 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
WAVE SHAPE
ELEMENT
FAULT TIME
GG
Crowbar
Dual Voltage-Programmable Protectors
- Wide 0 to -85 V Programming Range
- Low 5 mA max. Gate Triggering Current
- High 150 mA min. Holding Current
Rated for LSSGR ‘1089 Conditions
2/10 Protection Voltage Specified
Also Rated for ITU-T 10/700 impulses
Surface Mount and Through-Hole Options
- TISP61089P for Plastic DIP
- TISP61089D for Small-Outline
- TISP61089DR for Small-Outline Taped and
10/1000 µs
Diode
2/10 µs
100 ms
= -48 V
300 s
900 s
Reeled
1 s
5 s
PROGRAMMABLE SLIC OVERVOLTAGE PROTECTION FOR LSSGR ‘1089
FIRST-LEVEL
4.5.8 Second-Level 1
4.5.7 First-Level 3
4.5.13 Second-Level 2
4.5.13 Second-Level 2
4.5.13 Second-Level 2
4.5.13 Second-Level 1
4.5.13 Second-Level 1
V @ 56 A
‘1089 TEST CLAUSE
‘1089 TEST CLAUSE
-57
I N F O R M A T I O N
6
AND TEST #
AND TEST #
SECOND-LEVEL
V @ 100 A
-60
8
I
0.95
0.93
I
120
TSP
TSM
4.5
2.4
30
11
A
A
DUAL FORWARD-CONDUCTING P-GATE THYRISTORS
PROGRAMMABLE OVERVOLTAGE PROTECTORS
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,
(Gate)
(Ring)
Terminal typical application names shown in
applied to the G terminal.
(Tip)
Terminal typical application names shown in
(Tip)
(Gate)
(Ring)
K1
NOVEMBER 1995 - REVISED FEBRUARY 1998
NC - No internal connection
K1
G
NC
K2
NC - No internal connection
G
K1
NC
K2
P PACKAGE
D PACKAGE
(TOP VIEW)
(TOP VIEW)
parenthesis
parenthesis
1
2
3
4
1
2
3
4
G
A
8
6
5
8
7
6
5
7
A
A
K2
K1
K1
A
A
K2
(Tip)
(Ground)
(Ground)
(Ring)
(Ground)
(Ring)
(Tip)
(Ground)
K2
MD6XAV
TISP61089
MD6XAN
SD6XAE
1

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TISP61089 Summary of contents

Page 1

... Line Interface Circuits) against overvoltages on the telephone line caused by lightning, a.c. power contact and induction. The TISP61089 limits voltages that exceed the SLIC supply rail voltage. The TISP61089 parameters are specified to allow equipment compliance with Bellcore GR-1089-CORE, Issue 1. The SLIC line driver section is typically powered from 0 V (ground) and a negative voltage in the region of - -75 V ...

Page 2

... 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 TISP61089 buffered gate design reduces the loading on the SLIC supply during overvoltages caused by power cross and induction. The TISP61089 is available in 8-pin plastic small-outline surface mount package and 8-pin plastic dual-in-line package ...

Page 3

... µ - µ - 220 (see Note - TEST CONDITIONS 25°C tot FR4 PCB TISP61089 NOVEMBER 1995 - REVISED FEBRUARY 1998 MIN TYP MAX -5 -50 -57 -60 -60 - -150 -5 -50 5 2.5 0 100 50 MIN TYP MAX D Package 160 P Package 100 UNIT µA µA V ...

Page 4

... TISP61089 DUAL FORWARD-CONDUCTING P-GATE THYRISTORS PROGRAMMABLE OVERVOLTAGE PROTECTORS NOVEMBER 1995 - REVISED FEBRUARY 1998 PARAMETER MEASUREMENT INFORMATION V GK(BO (BO (BO) Quadrant III Switching Characteristic Figure 1. VOLTAGE-CURRENT CHARACTERISTIC FSP TSP FSM TSM TSM I TSP -i Quadrant I Forward Conduction Characteristic +v PM6XAAA ...

Page 5

... PEAK NON-RECURRING A.C. vs CURRENT DURATION TI6LACA RING AND TIP CONNECTIONS - I applied simultaneously to both TSM GROUND CONNECTION - Return current is twice I TSM V = 600 Vrms GEN 950 GEN 85°C G AMB 1 10 100 t - Current Duration - s APPLICATIONS INFORMATION TISP61089 NOVEMBER 1995 - REVISED FEBRUARY 1998 1000 5 ...

Page 6

... Figures 4. and 5. show how the TISP61089 limits negative and positive overvoltages. Positive overvoltages (Figure 5) are clipped by the antiparallel diodes in the TISP61089 and the resulting current is diverted to ground. Negative overvoltages (Figure 4.) are initially clipped close to the SLIC negative supply rail value (V ) ...

Page 7

... Figure 6. PROTECTOR FAST IMPULSE CLAMPING AND SWITCHING WAVEFORMS application circuit Figure 7 shows a typical TISP61089 SLIC card protection circuit. The incoming line conductors, Ring (R) and Tip (T), connect to the relay matrix via the series overcurrent protection. Fusible resistors, fuses and positive temperature coefficient (PTC) resistors can be used for overcurrent protection. Resistors will reduce the prospective current from the surge generator for both the TISP61089 and the ring/test protector ...

Page 8

... OR 7xxxF3 Figure 7. TYPICAL APPLICATION CIRCUIT Relay contacts 3a and 3b connect the line conductors to the SLIC via the TISP61089 protector. The protector gate reference voltage comes from the SLIC negative supply (V high gate current pulses caused by fast rising impulses. LSSGR 1089 GR-1089-CORE, “1089”, covers electromagnetic compatibility and electrical safety generic criteria for US network telecommunication equipment ...

Page 9

... A 10/1000 surge and the TISP61089 will do this as its rating is 2x30 A. When both conductors are surged simultaneously the return (anode) current will again the TISP61089 will survive this as its rating for this condition will Similarly the TISP61089 will survive the 2x56 A 2/10 as its rating is 2x120 A. ...

Page 10

... The 2/10 generator has fictive output resistances of 15 compensates for this by adding an extra resistances of 12 generator. In practice, this extra resistance causes the prospective short-circuit current wave shape to be similar to the 1.2/50 open-circuit voltage wave shape. The TISP61089 will survive the 2x27 A 1.2/50 as its rating is 2x100 A. Using a 25 series resistor will result in table 3 ...

Page 11

... Using a 25 series resistor will result in table 5. I and 2x2.9. The TISP61089 will probably fail for a peak current level of 2x24 A and the series current limiting DUAL FORWARD-CONDUCTING P-GATE THYRISTORS PROGRAMMABLE OVERVOLTAGE PROTECTORS SOURCE RMS CURRENT RESISTANCE A 0 ...

Page 12

... To meet ‘1089, the overcurrent protection must be coordinated with the requirements of sections 4.5.7, 4.5.8, 4.5.9, 4.5.12, 4.5.13, 4.5.15 and the TISP61089. The overcurrent protection must not fail in the first level tests of sections 4.5.7, 4.5.9 and 4.5.12. Recoverable overcurrent protectors (e.g. Positive Temperature Coefficient Resistors) may operate during first level testing, but normal equipment working must be restored after the test has ended ...

Page 13

... TISP61089 package limit is reached. The TISP61089 a.c. ratings are worse case values when the device is mounted on the minimal sized PCB used for measuring thermal resistance. Typical PCBs would give a 25% increase in the rated currents for periods above 0 ...

Page 14

... NOVEMBER 1995 - REVISED FEBRUARY 1998 OVERCURRENT PROTECTOR OPERATION LIMITS 30 Second Level Tests - Second Level Tests - 0.7 0.5 0.3 0.2 0.1 0.01 0.1 Figure 9. OVERCURRENT PROTECTOR REQUIREMENTS TIME MDQ 1-6/10A Fuse TISP61089 Package Limit TISP61089 Survival First Level Tests - 25 & 100 Time - s AI6XAL 1000 ...

Page 15

... Places Pin Spacing 0,229 (0.0090) 1,27 (0.050) (see Note A) 0,190 (0.0075) 6 Places TISP61089 NOVEMBER 1995 - REVISED FEBRUARY 1998 Designation per JEDEC Std 30: PDSO-G8 5,21 (0.205) 4,60 (0.181) 7° NOM 4° ± 4° 4 Places 1,12 (0.044) 0,51 (0 ...

Page 16

... TISP61089 DUAL FORWARD-CONDUCTING P-GATE THYRISTORS PROGRAMMABLE OVERVOLTAGE PROTECTORS NOVEMBER 1995 - REVISED FEBRUARY 1998 P008 plastic dual-in-line package This dual-in-line package consists of a circuit mounted on a lead frame and encapsulated within a plastic compound. The compound will withstand soldering temperature with no deformation, and circuit performance characteristics will remain stable when operated in high humidity conditions The package is intended for insertion in mounting-hole rows on 7,62 (0 ...

Page 17

... PI SEMICONDUCTOR PRODUCTS ARE NOT DESIGNED, INTENDED, AUTHORISED, OR WARRANTED TO BE SUITABLE FOR USE IN LIFE-SUPPORT APPLICATIONS, DEVICES OR SYSTEMS DUAL FORWARD-CONDUCTING P-GATE THYRISTORS PROGRAMMABLE OVERVOLTAGE PROTECTORS IMPORTANT NOTICE Copyright © 1998, Power Innovations Limited TISP61089 NOVEMBER 1995 - REVISED FEBRUARY 1998 17 ...

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