OBSOLETE
ITC117P
Multifunction Telecom Circuits:
SSR 1-Form-A (1) / Bridge Rectifier (1)
Darlington Transistor (1) / Optocoupler (1)
INTEGRATED
CIRCUITS
DIVISION
Description
Parameter
Relay Load Voltage
Rating
350
Units
This Integrated Telecom Circuit combines a single-pole,
normally open (1-Form-A) solid state relay, a bridge
rectifier, a Darlington transistor, and an optocoupler into
one 16-pin SOIC package, consolidating designs and
reducing component count in telecom applications.
V
mArms / mADC
Relay Load Current
120
Relay On-Resistance (max)
Bridge Rectifier Reverse Voltage
Darlington Collector Current
Darlington Current Gain
15
100
V
mA
-
120
10,000
The ITC117’s optocoupler provides for full-wave
detection of ringing signals.
Features
• 3750Vrms Input/Output Isolation
Approvals
• UL Recognized Component: File E76270
• CSA Certified Component: Certificate 1305490
• TUV EN 62368-1: Certificate B 082667 0008
• 2mW Hook Switch Drive Power (Logic Compatible)
• FCC Compatible Part 68
• Full-Wave Bridge Rectifier
• Darlington Transistor for Electronic Inductor “Dry”
Circuits
Ordering Information
• Full Wave Current Detector for Ring Signal or Loop
Current Detect
• JEDEC Standard Pin-Out
• Board Space and Cost Savings
• Small 16-Pin SOIC Package
Part #
ITC117P
Description
16-Pin SOIC (50/Tube)
ITC117PTR
16-Pin SOIC (1000/Reel)
Pin Configuration
Applications
• Data/Fax Modem
• Voice Mail Systems
• Telephone Sets
• Computer Telephony Integration
• Set Top Box Modems
1
16
(N/C)
Output Form A
2
15
14
13
– LED - Form A Relay
Output Form A/Bridge Input –/+
Darlington Base
PV
3
– LED - Form A Relay
4
(N/C)
Darlington Emitter
5
12
(N/C)
Bridge Output +/Darlington Collector
6
11
10
9
(N/C)
Bridge Output –
7
Collector - Phototransistor
LED - Phototransistor –/+
LED - Phototransistor +/–
8
**
Emitter - Phototransistor
**Denotes full-wave detection
Switching Characteristics
of Normally Open Devices
Form-A
IF
90%
10%
t
ILOAD
t
on
off
1
DS-ITC117P_ROBS
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