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PDF TCM1030D Data sheet ( Hoja de datos )
| Número de pieza | TCM1030D | |
| Descripción | DUAL FORWARD-CONDUCTING P-GATE THYRISTORS PROGRAMMABLE OVERVOLTAGE PROTECTORS | |
| Fabricantes | Power Innovations Limited | |
| Logotipo |  |
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Copyright © 1997, Power Innovations Limited, UK
TISP61060D, TISP61060P
DUAL FORWARD-CONDUCTING P-GATE THYRISTORS
PROGRAMMABLE OVERVOLTAGE PROTECTORS
SEPTEMBER 1995 - REVISED SEPTEMBER 1997
PROGRAMMABLE SLIC OVERVOLTAGE PROTECTION
q Dual Voltage-Programmable Protectors
- Third Generation Design using Vertical
Power Technology
- Wide -5 V to -85 V Programming Range
- High 150 mA min. Holding Current
q Reduced VBAT Supply Current
- Triggering Current is Typically 50x Lower
- Negative Value Power Induction Current
Removes Need for Extra Protection Diode
q Rated for LSSGR & FCC Surges
STANDARD
LSSGR
FCC Part 68
LSSGR
WAVE SHAPE
10/1000 µs
10/160 µs
2/10 µs
ITSP
A
30
45
50
'61060D PACKAGE
(TOP VIEW)
(Tip)
(VS)
K1
G
NC
1
2
3
8 K1 (Tip)
7 A (Ground)
6 A (Ground)
(Ring) K2 4
5 K2 (Ring)
MD6XAO
NC - No internal connection
Terminal typical application names shown in
parenthesis
'61060P PACKAGE
(TOP VIEW)
(Tip) K1 1
(VS) G 2
NC 3
8 K1 (Tip)
7 A (Ground)
6 A (Ground)
q Surface Mount and Through-Hole Options
- TISP61060P for Plastic DIP
- TISP61060D for Small-Outline
- TISP61060DR for Taped and Reeled
Small-Outline
q Functional Replacements for
(Ring) K2 4
5 K2 (Ring)
MD6XAP
NC - No internal connection
Terminal typical application names shown in
parenthesis
device symbol
PART NUMBERS
TCM1030P, TCM1060P, LB1201AB
TCM1030D, TCM1060D, LB1201AS
TCM1030DR, TCM1060DR
FUNCTIONAL
REPLACEMENT
TISP61060P
TISP61060D
TISP61060DR
K1 G K2
description
The TISP61060 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 TISP61060
limits voltages that exceed the SLIC supply rail
voltage.
A SD6XAE
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,
VGG, applied to the G terminal.
The SLIC line driver section is typically powered 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. (see Applications Information).
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.
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
1 page  
TISP61060D, TISP61060P
DUAL FORWARD-CONDUCTING P-GATE THYRISTORS
PROGRAMMABLE OVERVOLTAGE PROTECTORS
SEPTEMBER 1995 - REVISED SEPTEMBER 1997
CROSS-REFERENCE FOR TISP61060 AND LB1201AB
TISP61060 PARAMETER
RATINGS & CHARACTERISTICS
Non-repetitive peak on-state pulse current
Non-repetitive peak on-state current
On-state voltage
Switching current
Breakover voltage
Maximum continuous on-state current
Maximum continuous forward current
Gate voltage, (VGG is gate supply voltage referenced
to the A terminal)
Off-state capacitance
TERMINALS
Cathode 1
Cathode 2
Anode
Gate
DATA SHEET ALTERNATIVE
ALTERNATIVE PARAMETER
SYMBOL
SYMBOL
LB1201AB
ITSP
ITSM
VT
IS
V(BO)
ITM
IFM
IP
IP
VON
It
VT
IC
IC
Pulse current
RMS pulse current, 60 Hz
On-state voltage
Trip current
Trip voltage
On-state current
On-state current
VG VS
Supply voltage
CO
COFF
Off-state capacitance
LB1201AB
K1 Tip
Tip
K2 Ring Ring
A
GND
Ground
G VS
Supply voltage
electrical characteristics
APPLICATIONS INFORMATION
The electrical characteristics of a thyristor overvoltage protector are strongly dependent on junction
temperature, TJ. Hence a characteristic value will depend on the junction temperature at the instant of
measurement. The values given in this data sheet were measured on commercial testers, which generally
minimise the temperature rise caused by testing.
gated protector evolution and characteristics
This section covers three topics. Firstly, it is explained why gated protectors are needed. Second, the
performance of the original IC (integrated circuit) based version is described. Third, the performance
improvements given by the TISP61060 are detailed.
purpose of gated protectors
Fixed voltage thyristor overvoltage protectors have been used since the early 1980s to protect monolithic
SLICs (Subscriber Line Interface Circuits) against overvoltages on the telephone line caused by lightning, a.c.
power contact and induction. As the SLIC was usually powered from a fixed voltage negative supply rail, the
limiting voltage of the protector could also be a fixed value. The TISP1072F3 is a typical example of a fixed
voltage SLIC protector.
SLICs have become more sophisticated. To minimise power consumption, some designs automatically adjust
the supply voltage, VBAT, to a value that is just sufficient to drive the required line current. For short lines the
supply voltage would be set low, but for long lines, a higher supply voltage would be generated to drive
sufficient line current. The optimum protection for this type of SLIC would be given by a protection voltage
which tracks the SLIC supply voltage. This can be achieved by connecting the protection thyristor gate to the
SLIC supply, Figure 2. This gated (programmable) protection arrangement minimises the voltage stress on
the SLIC, no matter what value of supply voltage.
PRODUCT INFORMATION
5
5 Page 
TISP61060D, TISP61060P
DUAL FORWARD-CONDUCTING P-GATE THYRISTORS
PROGRAMMABLE OVERVOLTAGE PROTECTORS
SEPTEMBER 1995 - REVISED SEPTEMBER 1997
TISP61060 a.c. ratings. As covered earlier, the gate decoupling capacitor should be 100 nF and should be
mounted as close to the protector as possible.
application circuit
Figure 8 shows a typical TISP61060 SLIC card protection circuit. The incoming line wires, R and T, connect to
the relay matrix via the series over-current protection. Fusible resistors, fuses and positive temperature
coefficient (PTC) resistors can be used for over-current protection. Resistors will reduce the prospective
current from the surge generator for both the TISP61060 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 maybe ground or battery-backed. For dedicated ground-backed ringing generators, the
TISP3xxxF3 gives better protection as its inter-wire protection voltage is twice the wire to ground value.
TIP
WIRE
OVER-
CURRENT
PROTECTION
R1
RING/TEST
PROTECTION
Th1
Th3
TEST
RELAY
S1a
RING
RELAY
SLIC
RELAY
S3a
S2a
SLIC
PROTECTOR
Th4
SLIC
RING
WIRE
R2
Th2
TISP
3xxxF3
OR
7xxxF3
S1b
S2b
Th5
S3b TISP
61060
VBAT
100 nF
TEST
EQUIP-
MENT
RING
GENERATOR
Figure 8. TYPICAL APPLICATION CIRCUIT
AI6XAF
Relay contacts 3a and 3b connect the line wires to the SLIC via the TISP61060 protector. The protector gate
reference voltage comes from the SLIC negative supply (VBAT). A 100 nF gate capacitor sources the high
gate current pulses caused by fast rising impulses.
PRODUCT INFORMATION
11
11 Page | ||
| Páginas | Total 14 Páginas | |
| PDF Descargar | [ Datasheet TCM1030D.PDF ] | |
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