LBB120
Dual Single-Pole, Normally Closed
I NTEGRATED C IRCUITS D IVISION
OptoMOS ? Relay
Parameter
Blocking Voltage
Load Current
On-Resistance (max)
Ratings
250
170
20
Units
V P
mA rms / mA DC
?
Description
LBB120 is a dual 250V, 170mA, 20 ? normally closed
(1-Form-B) relay that features low on-resistance
combined with enhanced peak load current handling
capability. Provided in an 8-pin SOIC package, and
employing optically coupled MOSFET technology, it
Features
? 3750V rms Input/Output Isolation
? Low Drive Power Requirements (TTL/CMOS
Compatible)
? High Reliability
? Arc-Free With No Snubbing Circuits
? FCC Compatible
? VDE Compatible
? No EMI/RFI Generation
? Small 8-Pin Package
? Machine Insertable, Wave Solderable
? Surface Mount, Tape & Reel Version Available
Applications
? Telecommunications
? Telecom Switching
? Tip/Ring Circuits
? Modem Switching (Laptop, Notebook, Pocket Size)
provides 3750V rms of input/output isolation.
Its optically coupled outputs, which use the patented
OptoMOS architecture, are controlled by a highly
efficient GaAIAs infrared LED.
Dual single-pole OptoMOS relays provide a more
compact design solution than discrete single-pole
relays in a variety of applications by incorporating
both relays in a single 8-pin package.
Approvals
? UL Recognized Component: File E76270
? CSA Certified Component: Certificate 1175739
? EN/IEC 60950-1 Certified Component:
TUV Certificate B 09 07 49410 004
Ordering Information
? Hook Switch
? Dial Pulsing
? Ground Start
? Ringing Injection
? Instrumentation
? Multiplexers
Part #
LBB120
LBB120S
LBB120STR
Description
8-Pin DIP (50/Tube)
8-Pin Surface Mount (50/Tube)
8-Pin Surface Mount (1000/Reel)
? Data Acquisition
? Electronic Switching
Pin Configuration
? I/O Subsystems
? Meters (Watt-Hour, Water, Gas)
? Medical Equipment-Patient/Equipment Isolation
? Security
? Aerospace
? Industrial Controls
+ Control - Switch #1
– Control - Switch #1
+ Control - Switch #2
– Control - Switch #2
1
2
3
4
8
7
6
5
Load - Switch #1
Load - Switch #1
Load - Switch #2
Load - Switch #2
Switching Characteristics of
Normally Closed Devices
Form-B
I F
I LOAD
10%
90%
t off
t on
Pb
e 3
DS-LBB120-R08
www.ixysic.com
1
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