IL329
OPTICALLY COUPLED TELECOM SWITCH
Preliminary Data Sheet
FEATURES
鈥?Solid state relay and AC input
鈥?Optocoupler Package鈥擲ingle 18 Pin
鈥?l/O Isolation, 2500 VRMS
鈥?Surface Mountable
鈥?Optocoupler
鈥?Bidirectional Current Detection
鈥?Solid-state Relay
鈥?Typical RON 25 W
鈥?Load Voltage 400 V
鈥?Load Current 100 mA
鈥?Current Limit Protection
鈥?High Surge Capability
鈥?Linear, AC/DC Operation
鈥?Clean Bounce Free Switching
鈥?Low Power Consumption
鈥?High Reliability Monolithic Receptor
Applications鈥擥eneral Telecom Switching
鈥?On/off Hook Control
鈥?Dial Pulse
鈥?Ring Current Detection
鈥?Loop Current Sensing
DESCRIPTION
The IL329 Telecom switch consists of an optically
coupled solid state relay (SSR) and a bidirectional
input optocoupler. The SSR is ideal for performing
switchhook and dial-pulse switching while the opto-
coupler performs ring detection and loop current
sensing functions. Both the SSR and opto coupler
provide 2500 VRMS of input to ouput isolation.
The SSR is integrated on a monolithic receptor die
using high voltage BCDMOS technology. The SSR
features low ON-resistance, high breakdown volt-
age and current-limit circuitry that protects the relay
from telephone line induced lightning surges.
The optocoupler provides bidirectional current
sensing via two antiparallel GaAs infrared emitting
diodes. The opto channel provides a minimum CTR
of 33% at 6 mA.
The IL329 comes in a 18 pin, plastic surface mount
package.
Dimensions in Inches (mm)
Leads 5 & 14 missing
18
.224 (5.7)
.216 (5.5)
.346 (8.79)
.326 (8.3)
1
N.C
A
K
N.C
C
C
E
N.C
18
S
N.C
N.C
S'
A/K
K/A
N.C
N.C
Pin One
I.D.
.484 (12.29)
.476 (12.1)
.025 (.635)
.005 (.127)
.047 (1.19)
.037 (.940)
.083 (2.1)
.075 (1.9)
.042 (1.07)
.038 (.97)
.050
(1.27)
Typ.
.016
(.41)
Typ.
.301 (7.65)
.281 (7.14)
40擄
.006
(.15)
10擄
Typ.
All 8 sides
Absolute Maximum Ratings
Package
Ambient Temperature Range ............................................... 鈥?0 to +85
擄
C
Storage Temperature Range .............................................. 鈥?0 to +150
擄
C
Soldering Temperature (t=10 sec. max.)........................................ 260
擄
C
Input/Output Isolation Voltage (t=60 sec. min.)........................2500 V
RMS
Total Power Dissipation ................................................................ 500 mW
Isolation Test Voltage (between emitter and detector) ........ 2500 VAC
RMS
Isolation Resistance
V
IO
=500 V, T
A
=25
擄
C .................................................................
鈮?/div>
10
12
鈩?/div>
V
IO
=500 V, T
A
=100
擄
C ...............................................................
鈮?/div>
10
11
鈩?/div>
Storage Temperature Range ......................................... 鈥?5
擄
C to +125
擄
C
Ambient Temperature Range ........................................ 鈥?5
擄
C to +100
擄
C
Soldering Temperature (max.
鈮?/div>
10 sec.,
dip soldering
鈮?/div>
0.5 mm from case bottom) .................................. 260
擄
C
SSR
LED Continuous Forward Current ...................................................50 mA
LED Reverse Voltage (I
R
鈮?/div>
10
碌
A).......................................................... 5 V
DC or Peak AC Load Voltage (I
L
鈮?/div>
50
碌
A)........................................
鹵
400 V
Continous DC Load Current ..........................................................100 mA
Total Power Dissipation ................................................................ 350 mW
Optocoupler
LED Continuous Forward Current ................................................
鹵
50 mA
Collector to Emitter Breakdown Voltage............................................. 30 V
Phototransistor Power Dissipation................................................ 150 mW
5鈥?06
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