ATTL7591AS Bourns, Inc., ATTL7591AS Datasheet

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ATTL7591AS

Manufacturer Part Number
ATTL7591AS
Description
Manufacturer
Bourns, Inc.
Datasheet
Copyright © 1997, Power Innovations Limited, UK
PROGRAMMABLE SLIC OVERVOLTAGE PROTECTION
Dual Voltage-Programmable Protectors.
- Wide 0 to -80 V Programming Range
- Low 5 mA max. Triggering Current
- High 150 mA min. Holding Current
Rated for International Surge Wave Shapes
VOLTAGE
STANDARD
WAVE SHAPE
2/10 µs
TR-NWT-001089
1.2/50 µs
ETS 300 047-1
0.5/700 µs
RLM88/I3124
10/700 µs
K17, K20, K21
10/1000 µs
TR-NWT-001089
Functional Replacements for
DEVICE TYPE
PACKAGE TYPE
LCP1511,
LCP1511D,
8-pin Small-Outline
ATTL7591AS,
MGSS150-1
LCP1512,
LCP1512D,
8-pin Plastic DIP
ATTL7591AB,
MGSS150-2
description
The TISP61511D and TISP61512P are dual
forward-conducting buffered p-gate overvoltage
protectors.
They
are
designed
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
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.
P R O D U C T
I N F O R M A T I O N
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.
DUAL FORWARD-CONDUCTING P-GATE THYRISTORS
PROGRAMMABLE OVERVOLTAGE PROTECTORS
(Tip)
(Gate)
(Ring)
I
TSP
A
170
Terminal typical application names shown in
90
40
40
30
(Tip)
(Gate)
FUNCTIONAL
REPLACEMENT
(Ring)
TISP61511D
or order as
Terminal typical application names shown in
TISP61511DR
for Taped and Reeled
device symbol
TISP61512P
K1
to
protect
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
applied to the G terminal.
GG,
TISP61511D, TISP61512P
JULY 1995 - REVISED SEPTEMBER 1997
'61511D PACKAGE
(TOP VIEW)
K1
1
8
K1
(Tip)
G
A
(Ground)
2
7
NC
6
A
(Ground)
3
K2
5
K2
(Ring)
4
MD6XAL
NC - No internal connection
parenthesis
'61512P PACKAGE
(TOP VIEW)
K1
1
8
K1
(Tip)
G
A
(Ground)
2
7
NC
A
3
6
(Ground)
K2
K2
(Ring)
4
5
MD6XAJ
NC - No internal connection
parenthesis
G
K2
A
SD6XAE
1

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ATTL7591AS Summary of contents

Page 1

... RLM88/I3124 10/700 µs K17, K20, K21 10/1000 µs TR-NWT-001089 Functional Replacements for DEVICE TYPE PACKAGE TYPE LCP1511, LCP1511D, 8-pin Small-Outline ATTL7591AS, MGSS150-1 LCP1512, LCP1512D, 8-pin Plastic DIP ATTL7591AB, MGSS150-2 description The TISP61511D and TISP61512P are dual forward-conducting buffered p-gate overvoltage protectors. ...

Page 2

TISP61511D, TISP61512P DUAL FORWARD-CONDUCTING P-GATE THYRISTORS PROGRAMMABLE OVERVOLTAGE PROTECTORS JULY 1995 - REVISED SEPTEMBER 1997 absolute maximum ratings Repetitive peak off-state voltage -40° Repetitive peak gate-cathode voltage -40° Non-repetitive peak ...

Page 3

T = 25°C (unless otherwise noted ) (Continued) J PARAMETER Anode-cathode off MHz state capacitance NOTE 4: These capacitance measurements employ a three terminal capacitance bridge incorporating a guard circuit. The unmeasured ...

Page 4

TISP61511D, TISP61512P DUAL FORWARD-CONDUCTING P-GATE THYRISTORS PROGRAMMABLE OVERVOLTAGE PROTECTORS JULY 1995 - REVISED SEPTEMBER 1997 MAXIMUM NON-RECURRING 50 Hz CURRENT 10 1 0·1 general Thyristor based overvoltage protectors, for telecommunications equipment, became popular in the late 1970s. These were fixed ...

Page 5

TISP61511D, TISP61512P PARAMETER Non-repetitive peak on-state pulse current Off-state current Gate reverse current (with A and K terminals connected) I Off-state voltage Peak forward recovery voltage Breakover voltage Gate voltage gate supply voltage referenced GG to the A ...

Page 6

TISP61511D, TISP61512P DUAL FORWARD-CONDUCTING P-GATE THYRISTORS PROGRAMMABLE OVERVOLTAGE PROTECTORS JULY 1995 - REVISED SEPTEMBER 1997 OVER- RING/TEST CURRENT PROTECTION PROTECTION TIP WIRE R1a Th3 R1b RING WIRE TISP 3xxxF3 OR 7xxxF3 Figure 3. TYPICAL APPLICATION CIRCUIT impulse conditions Most lightning ...

Page 7

PEAK VOLTAGE STANDARD SETTING V ETS 300 047-1 3000 RLM88/I3124 1600 K17, K20, K21 1600 TR-NWT-001089 1000 Figures 4. and 5. show how the TISP6151xx limits negative and positive over-voltages. Negative overvoltages (Figure 4.) are initially clipped close to the ...

Page 8

TISP61511D, TISP61512P DUAL FORWARD-CONDUCTING P-GATE THYRISTORS PROGRAMMABLE OVERVOLTAGE PROTECTORS JULY 1995 - REVISED SEPTEMBER 1997 generator voltage rate of rise, dv/dt, and the circuit resistance. The impulse generators used for characterising the protection voltages are tabulated below IMPULSE GENERATORS USED ...

Page 9

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 10

TISP61511D, TISP61512P DUAL FORWARD-CONDUCTING P-GATE THYRISTORS PROGRAMMABLE OVERVOLTAGE PROTECTORS JULY 1995 - REVISED SEPTEMBER 1997 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 ...

Page 11

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 placing orders, that the information being relied on is current. ...

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