UMW
R
LTV-354
AC Input 4-Pin Mini-Flat Phototransistor Optocoupler
Features
Description
High isolation 3750 VRMS
These series of AC input optocoupler consists of a
CTR flexibility available see order information
AC input with transistor output
Temperature range - 55 °C to 110 °C
Regulatory Approvals
photo transistor optically coupled to two gallium
arsenide Infrared-emitting diodes in a 4-lead
Mini-Flat package.
Applications
UL - UL1577 (E492440)
Switch mode power supplies
Computer peripheral interface
Microprocessor system interface
Packaging and Pin Assignment
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1
友台半导体有限公司
UMW
R
LTV-354
AC Input 4-Pin Mini-Flat Phototransistor Optocoupler
Absolute Maximum Rating at 25oC
Symbol
Parameters
Ratings
Units
3750
VRMS
VISO
Isolation voltage
TOPR
Operating temperature
-55 ~ +110
0C
TSTG
Storage temperature
-55 ~ +150
0C
TSOL
Soldering temperature
260
0C
PTOT
Total power dissipation
200
mW
Forward current
±50
mA
1
A
Power dissipation
70
mW
Power dissipation
150
mW
BVCEO
Collector-Emitter Breakdown Voltage
80
V
BVECO
Emitter-Collector Breakdown Voltage
7
V
Collector Current
50
mA
Notes
Emitter
IF
IF(TRANS)
PD
Peak transient current
(≤1μs P.W,300pps)
Detector
PC
IC
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2
友台半导体有限公司
UMW
R
LTV-354
AC Input 4-Pin Mini-Flat Phototransistor Optocoupler
Electrical Characteristics T
A
= 25°C (unless otherwise specified)
Emitter Characteristics
Symbol
Parameters
Test Conditions
VF
Forward voltage
IF=10mA
CIN
Input Capacitance
f= 1kHz
Min
Typ
Max
Units
1.24
1.4
V
-
45
-
pF
Min
Typ
Max
Units
Notes
Detector Characteristics
Symbol
Parameters
Test Conditions
BVCEO
Collector-Emitter Breakdown
IC= 100µA
80
-
-
V
BVECO
Emitter-Collector Breakdown
IE= 100µA
7
-
-
V
Collector-Emitter Dark Current
VCE= 20V, IF=0mA
-
-
100
nA
Min
Typ
Max
Units
IF= ±1mA, VCE= 5V
20
-
300
%
IF= ±20mA, IC= 1mA
-
0.1
0.2
V
5x1010
-
-
Ω
-
0.6
1.0
pF
Min
Typ
Max
Units
-
6
18
-
8
18
ICEO
Notes
Transfer Characteristics
Symbol
CTR
Parameters
Current Transfer Ratio
Test Conditions
354
Notes
Collector-Emitter Saturation
VCE(SAT)
Voltage
RIO
Isolation Resistance
VIO= 500VDC
CIO
Isolation Capacitance
f= 1MHz
Switching Characteristics
Symbol
tr
Parameters
Test Conditions
Rise Time
IC= 2mA, VCE= 2V, RL= 100Ω
tf
Fall Time
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3
Notes
µs
友台半导体有限公司
UMW
R
LTV-354
AC Input 4-Pin Mini-Flat Phototransistor Optocoupler
Typical Characteristic Curves
www.umw-ic.com
4
友台半导体有限公司
UMW
R
LTV-354
AC Input 4-Pin Mini-Flat Phototransistor Optocoupler
www.umw-ic.com
5
友台半导体有限公司
UMW
R
LTV-354
AC Input 4-Pin Mini-Flat Phototransistor Optocoupler
Package Dimension Dimensions in mm unless otherwise stated
Recommended Solder Mask Dimensions in mm unless otherwise stated
www.umw-ic.com
6
友台半导体有限公司
UMW
R
LTV-354
AC Input 4-Pin Mini-Flat Phototransistor Optocoupler
Carrier Tape Specifications Dimensions in mm unless otherwise stated
www.umw-ic.com
7
友台半导体有限公司
UMW
R
LTV-354
AC Input 4-Pin Mini-Flat Phototransistor Optocoupler
Reflow Profile
Profile Feature
Pb-Free Assembly Profile
Temperature Min. (Tsmin)
150°C
Temperature Max. (Tsmax)
200°C
Time (ts) from (Tsmin to Tsmax)
60-120 seconds
Ramp-up Rate (tL to tP)
3°C/second max.
Liquidous Temperature (TL)
217°C
Time (tL) Maintained Above (TL)
60 – 150 seconds
Peak Body Package Temperature
260°C +0°C / -5°C
Time (tP) within 5°C of 260°C
30 seconds
Ramp-down Rate (TP to TL)
6°C/second max
Time 25°C to Peak Temperature
8 minutes max.
ORDERING INFORMATION
Order Code
Package
Baseqty
Deliverymode
UMW LTV-354
SOP-4
3000
Tape and reel
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8
友台半导体有限公司
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