鈩?/div>
鈥?Load Voltage 350 V
鈥?Load Current 120 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?General Telecom Switching
鈥?On/off Hook Control
鈥?Dial Pulse
鈥?Ring Current Detection
鈥?Loop Current Sensing
Description
The LH1529 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 optocoupler performs ring detection and
loop current sensing functions. Both the SSR and opto cou-
pler provide 3750 V
RMS
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 voltage and current-limit cir-
cuitry 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 LH1529 comes in a 8 pin, plastic DIP. To order packages
with 鈥淪鈥?bend leads, specify LH1529X00S.
Pin 1
Ident.
.050 (1.27)
.040 (1.01)
.040 (1.02)
.030 (.76) .4 Pins
.055 (1.40)
.065
.045 (1.14)
(1.65)
typ.
ref.
.150 (3.81)
.130 (3.30)
.079 .019 (.48)
(2.01) .009 (.23)
ref.
.065 (1.65)
.045 (1.14)
Package Dimensions in Inches (mm)
Pin One I.D.
4
3
2
1
8S
A1
K2
7S鈥?/div>
.268 (6.81)
.255 (6.48)
5
6
7
8
C3
E4
6A/K
5A/K
.390 (9.91)
.379 (9.63)
.045 (1.14) .150 (3.81)
.030 (.76) .130 (3.30)
.305 Typ.
(7.75) Typ.
.135 (3.43)
.115 (2.92)
10掳 Typ.
4掳 Typ.
.022 (.56)
.018 (.46)
.040 (1.02)
.030 (.76 )
.100 (2.54) Typ.
3掳鈥?掳
.012 (.30)
.008 (.20)
鈥淪鈥?Bend Leads: Package Dimensions in Inches (mm)
.400 (10.16)
.380 (9.65)
.100 (2.54)
typ.
.260 (6.60)
.240 (6.10)
.480 (12.19)
.460 (11.68)
.340 (8.64)
.320 (8.13)
.15 (.38)
.008 (.20)
Absolute Maximum Ratings
Package
Ambient Temperature Range................................. 鈥?0 to +85
掳
C
Storage Temperature Range ............................... 鈥?0 to +150
掳
C
Soldering Temperature (t=10 sec. max.)......................... 260
掳
C
Isolation Test Voltage................................................ 3750 V
RMS
Isolation Resistance
V
IO
=500 V, T
A
=25
掳
C...................................................
鈮?/div>
10
12
鈩?/div>
V
IO
=500 V, T
A
=100
掳
C.................................................
鈮?/div>
10
11
鈩?/div>
Total Power Dissipation ................................................. 600 mW
SSR
LED Continuous Forward Current.....................................50 mA
LED Reverse Voltage (I
R
鈮?/div>
10
碌
A)........................................... 8 V
DC or Peak AC Load Voltage (I
L
鈮?/div>
50
碌
A)........................... 350 V
Continous DC Load Current ...........................................120 mA
Optocoupler
LED Continuous Forward Current.....................................50 mA
LED Reverse Voltage (I
R
鈮?/div>
10
碌
A)........................................... 3 V
Collector to Emitter Breakdown Voltage .............................. 30 V
Phototransistor Power Dissipation................................. 150 mW
5鈥?02
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