TISP61089SD POINN [Power Innovations Ltd], TISP61089SD Datasheet

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TISP61089SD

Manufacturer Part Number
TISP61089SD
Description
DUAL FORWARD-CONDUCTING P-GATE THYRISTORS PROGRAMMABLE OVERVOLTAGE PROTECTORS
Manufacturer
POINN [Power Innovations Ltd]
Datasheet

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Part Number
Manufacturer
Quantity
Price
Part Number:
TISP61089SDR
Manufacturer:
BOURNS
Quantity:
13 689
Copyright © 1999, 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.
Taped and reeled
V
60 Hz POWER
The TISP61089S 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 TISP61089S limits voltages that exceed the SLIC supply rail
voltage. The TISP61089S 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
GG
FAULT TIME
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
Small Outline Surface Mount Package
- Available Ordering Options
10/1000 µs
Diode
CARRIER
2/10 µs
100 ms
= -48 V
300 s
900 s
Tube
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
TISP61089SDR
TISP61089SD
-57
I N F O R M A T I O N
ORDER #
6
AND TEST #
AND TEST #
SECOND-LEVEL
V @ 100 A
-60
8
I
0.95
0.93
I
120
TSM
4.5
2.4
TSP
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
(Tip)
(Gate)
(Ring)
Single-Lead Line Connection Version of
Feed-Through TISP61089D
- Ground Lead Creepage Distance . . > 3 mm
Terminal typical application names shown in
A
A
G
NC
K2
K1
NC - No internal connection
GG,
applied to the G terminal.
D PACKAGE
(TOP VIEW)
parenthesis
1
2
3
4
K1
K2
8
7
6
5
NC
A
A
NC
(Ground)
(Ground)
G1,G2
MD6XBA
TISP61089S
SD6XAP
JULY 1999
1

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TISP61089SD Summary of contents

Page 1

... ORDER # Tube TISP61089SD Taped and reeled TISP61089SDR description The TISP61089S is a dual forward-conducting buffered p-gate overvoltage protector 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 TISP61089S limits voltages that exceed the SLIC supply rail voltage ...

Page 2

TISP61089S DUAL FORWARD-CONDUCTING P-GATE THYRISTORS PROGRAMMABLE OVERVOLTAGE PROTECTORS JULY 1999 the protector will crowbar into a low voltage on-state condition. As the overvoltage subsides the high holding current of the crowbar prevents d.c. latchup. The TISP61089S is intended to be ...

Page 3

T J PARAMETER I Off-state current 2/10 µs, I 2/10 µ Breakover voltage (BO) 1.2/50 µs, I 1.2/50 µ Forward voltage 2/10 ...

Page 4

TISP61089S DUAL FORWARD-CONDUCTING P-GATE THYRISTORS PROGRAMMABLE OVERVOLTAGE PROTECTORS JULY 1999 PARAMETER MEASUREMENT INFORMATION V GK(BO (BO (BO) Quadrant III Switching Characteristic Figure 1. VOLTAGE-CURRENT CHARACTERISTIC ...

Page 5

Figure 2. NON-REPETITIVE PEAK ON-STATE CURRENT AGAINST DURATION gated protectors This section covers three topics. Firstly explained why gated protectors are needed. Second, the voltage limiting action of the protector is described. Third, an example application circuit ...

Page 6

TISP61089S DUAL FORWARD-CONDUCTING P-GATE THYRISTORS PROGRAMMABLE OVERVOLTAGE PROTECTORS JULY 1999 WIRE 600 GENERATOR SOURCE RESISTANCE 600 RING WIRE A.C. GENERATOR 0 - 600 Vrms Figure 3. TISP61089S BUFFERED GATE PROTECTOR (SECTION 4.5.12 TESTING CONDITION) operation of gated protectors Figures 4. ...

Page 7

In Figure 6, the positive gate charge (Q used, increased the gate supply by about voltage This increase does not directly add to the protection voltage as the supply voltage change BAT reaches a ...

Page 8

TISP61089S DUAL FORWARD-CONDUCTING P-GATE THYRISTORS PROGRAMMABLE OVERVOLTAGE PROTECTORS JULY 1999 OVER- RING/TEST CURRENT PROTECTION PROTECTION TIP WIRE R1a Th3 R1b RING WIRE Relay contacts 3a and 3b connect the line conductors to the SLIC via the TISP61089S protector. The protector ...

Page 9

The two most significant test wave shapes in this section are the high energy 10/1000 and the high current 2/10. As shown in table 1, the peak currents for these surges are 2x20 A ...

Page 10

TISP61089S DUAL FORWARD-CONDUCTING P-GATE THYRISTORS PROGRAMMABLE OVERVOLTAGE PROTECTORS JULY 1999 OPEN-CIRCUIT WAVE SHAPE VOLTAGE 2/10 5000 1.2/50, 8/20 5000 (See Text) prospective short-circuit current wave shape to be similar to the 1.2/50 open-circuit voltage wave shape. The TISP61089S will survive ...

Page 11

The most significant tests are a long duration (900 s) medium current test and a higher current tests of 60 one second power applications. As shown in table 4, the peak currents for ...

Page 12

TISP61089S DUAL FORWARD-CONDUCTING P-GATE THYRISTORS PROGRAMMABLE OVERVOLTAGE PROTECTORS JULY 1999 Using a 25 series resistor will result in table 5. I and 2x2.9. The TISP61089S will probably fail for a peak current level of 2x24 A and the series current ...

Page 13

The test current levels and their duration are shown in Figure 8. First level tests have a high source resistance and the current levels are not strongly dependent on the TISP61089S series resistor value. Second ...

Page 14

TISP61089S DUAL FORWARD-CONDUCTING P-GATE THYRISTORS PROGRAMMABLE OVERVOLTAGE PROTECTORS JULY 1999 OVERCURRENT PROTECTOR OPERATION LIMITS 30 Second Level Tests - Second Level Tests - 0.7 0.5 0.3 0.2 0.1 0.01 Figure 9. ...

Page 15

D008 plastic small-outline package This small-outline 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 ...

Page 16

TISP61089S DUAL FORWARD-CONDUCTING P-GATE THYRISTORS PROGRAMMABLE OVERVOLTAGE PROTECTORS JULY 1999 Power Innovations Limited (PI) reserves the right to make changes to its products or to discontinue any semiconductor product or service without notice, and advises its customers to verify, before ...

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