CT354
AC Input 4-Pin Mini-Flat Phototransistor Optocoupler
Features
High isolation 3750 VRMS
CTR flexibility available see order information
AC input with transistor output
Temperature range - 55 °C to 110 °C
Regulatory Approvals
UL - UL1577 (E364000)
VDE - EN60747-5-5(VDE0884-5)
CQC – GB4943.1, GB8898
IEC60065, IEC60950
Description
These series of AC input optocoupler consists of a
photo transistor optically coupled to two gallium
arsenide Infrared-emitting diodes in a 4-lead
Mini-Flat package.
Applications
Switch mode power supplies
Computer peripheral interface
Microprocessor system interface
Package Outline
Schematic
CT Micro
Proprietary & Confidential
Page 1
Rev.2
Dec, 2016
CT354
AC Input 4-Pin Mini-Flat Phototransistor Optocoupler
Absolute Maximum Rating at 25
o
C
Symbol
V
ISO
T
OPR
T
STG
T
SOL
P
TOT
Isolation voltage
Operating temperature
Storage temperature
Soldering temperature
Total power dissipation
Parameters
Ratings
3750
-55 ~ +110
-55 ~ +150
260
200
Units
V
RMS
0
C
0
C
0
C
Notes
mW
Emitter
I
F
I
F(TRANS)
P
D
Forward current
Peak transient current
Power dissipation
(≤1μs P.W,300pps)
±50
1
70
mA
A
mW
Detector
P
C
B
VCEO
B
VECO
I
C
Power dissipation
Collector-Emitter Breakdown Voltage
Emitter-Collector Breakdown Voltage
Collector Current
150
80
7
50
mW
V
V
mA
CT Micro
Proprietary & Confidential
Page 2
Rev.2
Dec, 2016
CT354
AC Input 4-Pin Mini-Flat Phototransistor Optocoupler
Electrical Characteristics
T
Emitter Characteristics
Symbol
V
F
C
IN
Parameters
Forward voltage
Input Capacitance
A
= 25°C (unless otherwise specified)
Test Conditions
I
F
=10mA
f= 1kHz
Min
Typ
1.24
Max
1.4
-
Units
V
pF
Notes
-
45
Detector Characteristics
Symbol
Parameters
Collector-Emitter Breakdown
Emitter-Collector Breakdown
Collector-Emitter Dark Current
Test Conditions
I
C
= 100µA
I
E
= 100µA
V
CE
= 20V, I
F
=0mA
Min
80
7
-
Typ
-
-
-
Max
-
-
100
Units
V
V
nA
Notes
B
VCEO
B
VECO
I
CEO
Transfer Characteristics
Symbol
Parameters
CT354
Current Transfer Ratio
CT354A
Collector-Emitter Saturation
Test Conditions
I
F
= ±1mA, V
CE
= 5V
50
I
F
= ±20mA, I
C
= 1mA
Voltage
Isolation Resistance
Isolation Capacitance
V
IO
= 500V
DC
f= 1MHz
-
5x10
10
-
-
0.1
-
0.6
150
0.2
-
1.0
V
Ω
pF
Min
20
Typ
-
Max
300
%
Units
Notes
CTR
V
CE(SAT)
R
IO
C
IO
Switching Characteristics
Symbol
t
r
t
f
Rise Time
I
C
= 2mA, V
CE
= 2V, R
L
= 100Ω
Fall Time
-
8
18
Parameters
Test Conditions
Min
-
Typ
6
Max
18
Units
µs
Notes
CT Micro
Proprietary & Confidential
Page 3
Rev.2
Dec, 2016
CT354
AC Input 4-Pin Mini-Flat Phototransistor Optocoupler
Typical Characteristic Curves
CT Micro
Proprietary & Confidential
Page 4
Rev.2
Dec, 2016
CT354
AC Input 4-Pin Mini-Flat Phototransistor Optocoupler
CT Micro
Proprietary & Confidential
Page 5
Rev.2
Dec, 2016
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