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TISP61089A 데이터시트 PDF




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부품번호 TISP61089A 기능
기능 DUAL FORWARD-CONDUCTING P-GATE THYRISTORS PROGRAMMABLE OVERVOLTAGE PROTECTORS
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TISP61089A 데이터시트, 핀배열, 회로
Copyright © 1999, Power Innovations Limited, UK
TISP61089A
DUAL FORWARD-CONDUCTING P-GATE THYRISTORS
PROGRAMMABLE OVERVOLTAGE PROTECTORS
JUNE 1999
PROGRAMMABLE SLIC OVERVOLTAGE PROTECTION FOR LSSGR ‘1089
q Dual Voltage-Programmable Protectors
- Wide 0 to -110 V Programming Range
- Low 5 mA max. Gate Triggering Current
- High 150 mA min. Holding Current
q Rated for LSSGR ‘1089 Conditions
WAVE SHAPE
2/10 µs
10/1000 µs
‘1089 TEST CLAUSE
AND TEST #
4.5.8 Second-Level 1
4.5.7 First-Level 3
ITSP
A
120
30
D PACKAGE
(TOP VIEW)
(Tip) K1 1
8 K1 (Tip)
(Gate) G 2 7 A (Ground)
NC 3
6 A (Ground)
(Ring) K2 4
5 K2 (Ring)
MD6XAN
NC - No internal connection
Terminal typical application names shown in
parenthesis
60 Hz POWER
FAULT TIME
100 ms
1s
5s
300 s
900 s
‘1089 TEST CLAUSE
AND TEST #
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
ITSM
A
10
4.4
2.1
0.84
0.83
q 2/10 Protection Voltage Specified
ELEMENT
Diode
Crowbar
VGG = -48 V
FIRST-LEVEL
V @ 56 A
6
SECOND-LEVEL
V @ 100 A
8
-57 -60
P PACKAGE
(TOP VIEW)
(Tip) K1 1
8 K1 (Tip)
(Gate) G 2
7 A (Ground)
NC 3
6 A (Ground)
(Ring) K2 4
5 K2 (Ring)
MD6XAV
NC - No internal connection
Terminal typical application names shown in
parenthesis
device symbol
K1 G K2
q Also Rated for ITU-T 10/700 impulses
q Surface Mount and Through-Hole Options
- TISP61089AP for Plastic DIP
- TISP61089AD for Small-Outline
- TISP61089ADR for Small-Outline Taped
and Reeled
description
The TISP61089A is a dual forward-conducting
buffered p-gate overvoltage protector. It is
A SD6XAE
Terminals K1, K2 and A correspond to the alternative
line designators of T, R and G or A, B and C. The
designed to protect monolithic SLICs (Subscriber
Line Interface Circuits) against overvoltages on
negative protection voltage is controlled by the voltage,
VGG, applied to the G terminal.
the telephone line caused by lightning, a.c.
power contact and induction. The TISP61089A limits voltages that exceed the SLIC supply rail voltage. The
TISP61089A 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 -100 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.
PRODUCT INFORMATION
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.
1




TISP61089A pdf, 반도체, 판매, 대치품
TISP61089A
DUAL FORWARD-CONDUCTING P-GATE THYRISTORS
PROGRAMMABLE OVERVOLTAGE PROTECTORS
JUNE 1999
PARAMETER MEASUREMENT INFORMATION
+i
IFSP (= |ITSP|)
IFSM (= |ITSM|)
IF
VF
VGK(BO)
VGG
-v
VD
ID
I(BO)
V(BO)
IS
VS
Quadrant III
Switching
Characteristic
IH
VT
IT
ITSM
ITSP
-i
Figure 1. VOLTAGE-CURRENT CHARACTERISTIC
Quadrant I
Forward
Conduction
Characteristic
+v
PM6XAAA
PRODUCT INFORMATION
4

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TISP61089A 전자부품, 판매, 대치품
TISP61089A
DUAL FORWARD-CONDUCTING P-GATE THYRISTORS
PROGRAMMABLE OVERVOLTAGE PROTECTORS
JUNE 1999
In Figure 6, the positive gate charge (QGS) is about 0.1 µC which, with the 0.1 µF gate decoupling capacitor
used, increased the gate supply by about 1 V (= QGS/C1). This change is just visible on the -72 V gate
voltage, VBAT. This increase does not directly add to the protection voltage as the supply voltage change
reaches a maximum at 0.4 µs when the gate current reverses polarity; whereas the protection voltage peaks
at 0.3 µs. In Figure 6, the peak clamping voltage (V(BO)) is -77.5 V, an increase of 5.5 V on the nominal gate
supply voltage. This 5.5 V increase is the sum of the supply rail increase at that time, (0.5 V), and the
protection circuits cathode diode to supply rail breakover voltage (5 V). In practice, use of the recommended
220 nF gate decoupling capacitor would give a supply rail increase of 0.25 V and a V(BO) value of about
-77.25 V.
0
-20
VK
-40
VBAT
-60
-80
0.0
0.5
Time - µs
1.0
1.5
1 QGS
0
IG
-1
-2 IK
-3
-4
-5
0.0 0.5 1.0 1.5
Time - µs
Figure 6. PROTECTOR FAST IMPULSE CLAMPING AND SWITCHING WAVEFORMS
application circuit
Figure 7 shows a typical TISP61089A 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 TISP61089A and the ring/test protector. The
TISP7xxxF3 protector has the same protection voltage for any terminal pair. This protector is used when the
ring generator configuration may be ground or battery-backed. For dedicated ground-backed ringing
generators, the TISP3xxxF3 gives better protection as its inter-conductor protection voltage is twice the
conductor to ground value.
PRODUCT INFORMATION
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TISP61089

DUAL FORWARD-CONDUCTING P-GATE THYRISTORS PROGRAMMABLE OVERVOLTAGE PROTECTORS

Power Innovations Limited
Power Innovations Limited
TISP61089

DUAL FORWARD-CONDUCTING P-GATE THYRISTORS PROGRAMMABLE OVERVOLTAGE PROTECTORS

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