Photocoupler
Product Data Sheet
LTV-357T
Spec No.: DS70-2001-012
Effective Date: 09/01/2016
Revision: N
LITE-ON DCC
RELEASE
BNS-OD-FC001/A4
LITE-ON Technology Corp. / Optoelectronics
No.90,Chien 1 Road, Chung Ho, New Taipei City 23585, Taiwan, R.O.C.
Tel: 886-2-2222-6181 Fax: 886-2-2221-1948 / 886-2-2221-0660
http://www.liteon.com/opto
Photocoupler
LTV-357T series
1. DESCRIPTION
1.1 Features
Current transfer ratio ( CTR : MIN. 50% at IF = 5mA, VCE = 5V )
High input-output isolation voltage ( Viso = 3,750Vrms )
High collector-emitter voltage ( VCEO = 35V )
SOP-4 package
Mini-flat package : 2.0mm profile : LTV-357T series
Safety approval
UL 1577
VDE DIN EN60747-5-5 (VDE 0884-5) ,
CSA CA5A
CQC GB4943.1-2011/ GB8898-2011
FIMKO/DEMKO/SEMKO/NEMKO
RoHS Compliance
All materials be used in device are followed EU RoHS directive (No.2002/95/EC).
ESD pass HBM 8000V/ MM2000V/ CDM2000V
MSL class1
1.2 Applications
Hybrid substrates that require high density mounting.
Programmable controllers
System appliance, measuring instruments
1/12
Part N.: LTV-357T series
BNC-OD-FC002/A4
Rev. :-
Photocoupler
LTV-357T series
2. PACKAGE DIMENSIONS
2.1 LTV-357T series
Notes :
1. 1-digit Year date code, 2-digit work week.
2. Factory identification mark shall be marked (W: China -CZ, X: China -TJ)
3. Rank shall be or shall not be marked.
4.
5.
“●” indicates halogen free option.
“4”or”V” for VDE option.
*All dimensions in millimeters.
2/12
Part N.: LTV-357T series
BNC-OD-FC002/A4
Rev. :-
Photocoupler
LTV-357T series
3.
TAPING DIMENSIONS
3.1 LTV-357T-TP
3.2 LTV-357T
Description
Symbol
Dimension in mm (inch)
Tape wide
W
12±0.3 (0.472)
Pitch of sprocket holes
P0
4±0.1 (0.157)
Distance of compartment
Distance of compartment to
compartment
F
5.5±0.1 (0.217)
P2
2±0.1 (0.079)
P1
8±0.1 (0.315)
3.3 Quantities Per Reel
Package Type
LTV-357T series
Quantities (pcs)
3000
3/12
Part N.: LTV-357T series
BNC-OD-FC002/A4
Rev. :-
Photocoupler
LTV-357T series
4. RATING AND CHARACTERISTICS
4.1 Absolute Maximum Ratings at Ta=25°C
Parameter
Symbol
Rating
Unit
Forward Current
IF
50
mA
Reverse Voltage
VR
6
V
Power Dissipation
P
70
mW
Junction Temperature
TJ
125
Collector - Emitter Voltage
VCEO
35
V
Emitter - Collector Voltage
VECO
6
V
Collector Current
IC
50
mA
Collector Power Dissipation
PC
150
mW
Junction Temperature
TJ
125
Total Power Dissipation
Ptot
170
mW
Isolation Voltage
Viso
3750
Vrms
Operating Temperature
Topr
-55 ~ +110
o
C
Storage Temperature
Tstg
-55 ~ +150
o
C
260
o
C
Input
Output
1.
2.
1.
AC For 1 Minute,
Soldering Temperature
Tsol
o
o
C
C
R.H. = 40 ~ 60%
Isolation voltage shall be measured using the following method.
(1) Short between anode and cathode on the primary side and between collector and emitter on the
secondary side.
(2) The isolation voltage tester with zero-cross circuit shall be used.
(3) The waveform of applied voltage shall be a sine wave.
2.
For 10 Seconds
4/12
Part N.: LTV-357T series
BNC-OD-FC002/A4
Rev. :-
Photocoupler
LTV-357T series
4.2
ELECTRICAL OPTICAL CHARACTERISTICS at Ta=25°C
Parameter
Input
Symbol
Min.
Typ.
Max.
Unit
Forward Voltage
VF
—
1.2
1.4
V
IF=20mA
Reverse Current
IR
—
—
10
A
VR=4V
Terminal Capacitance
Ct
—
30
250
pF
V=0, f=1KHz
Collector Dark Current
ICEO
—
—
100
nA
VCE=20V, IF=0
BVCEO
35
—
—
V
IC=0.1mA, IF=0
BVECO
6
—
—
V
IE=10A, IF=0
IC
2.5
—
30
mA
CTR
50
—
600
%
VCE(sat)
—
—
0.2
V
Collector-Emitter
Output
Test Condition
Breakdown Voltage
Emitter-Collector
Breakdown Voltage
Collector Current
1.
Current Transfer Ratio
Collector-Emitter
VCE=5V
IF=20mA
Saturation Voltage
IC=1mA
TRANSFER
Isolation Resistance
IF=5mA
Riso
51010
11011
—
DC500V,
40 ~ 60% R.H.
CHARACTERISTICS
Floating Capacitance
Cf
—
0.6
1
pF
40 ~ 60% R.H.
V=0, f=1MHz
Response Time (Rise)
tr
—
4
18
s
VCE=2V,
Response Time (Fall)
tf
—
3
18
s
IC=2mA
1.
CTR
IC
IF
RL=100,
100%
5/12
Part N.: LTV-357T series
BNC-OD-FC002/A4
Rev. :-
Photocoupler
LTV-357T series
5. RANK TABLE OF CURRENT TRANSFER RATIO (CTR)
CTR Rank
Min
Max
A
80
160
B
130
260
C
200
400
D
300
600
E
50
150
A or B or C or D or No mark
50
600
Condition
IF=5mA, VCE=5V, Ta=25oC
6/12
Part N.: LTV-357T series
BNC-OD-FC002/A4
Rev. :-
Photocoupler
LTV-357T series
6. CHARACTERISTICS CURVES (TYPICAL PERFORMANCE)
Fig.1 Forward Current vs.
Ambient Temperature
Fig.2 Collector Power Dissipation vs.
Ambient Temperature
Collector power dissipation Pc (mW)
60
Forward current IF(mA)
50
40
30
20
10
0
-55
0
25
50
75
100
200
150
100
50
0
-55
125
0
o
7mA
100
125
500
O
Ta= 25 C
o
4
3
2
Ta= 75 oC
50 C
200
o
25o C
0C
o
-25 C
100
50
20
10
5
1
2
0
1
0
5
10
15
0
0.5
Forward current IF(mA)
1.0
1.5
2.0
2.5
3.0
Forward voltage VF(V)
Fig.5 Current Transfer Ratio vs.
Forward Current
Fig.6 Collector Current vs.
Collector-emitter Voltage
200
50
VCE= 5V
Ta= 25 C
180
IF= 30mA
160
140
120
100
80
60
40
o
Ta= 25 C
25mA
o
Collector current Ic (mA)
Current transfer ratio CTR (%)
75
Fig.4 Forward Current vs. Forward
Voltage
Forward current IF(mA)
1mA
3mA
5mA
Ic= 0.5mA
Collecotr-emitter saturation voltage
VCE (sat) (V)
5
50
Ambient temperature Ta ( C)
Fig.3 Collector-emitter Saturation
Voltage vs. Forward Current
6
25
o
Ambient temperature Ta ( C)
40
20mA
30
15mA
Pc(MAX.)
20
10mA
10
5mA
20
0
0
1
2
5
10
20
Forward current IF(mA)
50
0
1
2
3
4
5
6
7
8
9
Collector-emitter voltage VCE(V)
7/12
Part N.: LTV-357T series
BNC-OD-FC002/A4
Rev. :-
Photocoupler
LTV-357T series
Fig.7 Relative Current Transfer Ratio
vs. Ambient Temperature
Fig.8 Collector-emitter Saturation Voltage
vs. Ambient Temperature
0.10
IF= 1mA, VCE= 5V
100
50
Collector-emitter saturation voltage
VCE (sat) (V)
Relative current transfer ratio (%)
150
IF= 20mA
IC= 1mA
0.08
0.06
0.04
0.02
0
0
20
20
40
60
80
100
120
40
60
80
100
120
o
Ambient temperature Ta ( C)
o
Ambient temperature Ta ( C)
Fig.9 Collector Dark Current vs.
Ambient Temperature
Collector dark current I CEO (nA)
10000
Fig.10 Response Time vs. Load
Resistance
500
VCE= 20V
Response time ( s)
1000
100
10
200
100
VCE= 2V
IC= 2mA
Ta= 25 C
o
50
tr
20
10
td
tf
5
ts
2
1
0.5
1
20
40
60
80
100
0.2
0.05
120
o
0.1 0.2
Fig.11 Frequency Response
1
2
5
VCE= 2V
IC= 2mA
Ta= 25 C
o
0
Input
RD
RL
Input
Output
Output
10%
90%
ts
td
100
10
RL= 10k
10
Test Circuit for Response Time
Vcc
Voltage gain Av (dB)
0.5
Load resistance RL (k )
Ambient temperature Ta ( C)
tr
1k
tf
Test Circuit for Frequency Response
Vcc
20
0.5 1
RD
2
5 10 20
50 100
RL
Output
500
Frequency f (kHz)
8/12
Part N.: LTV-357T series
BNC-OD-FC002/A4
Rev. :-
Photocoupler
LTV-357T series
7. TEMPERATURE PROFILE OF SOLDERING
7.1 IR Reflow soldering (JEDEC-STD-020C compliant)
One time soldering reflow is recommended within the condition of temperature and time profile shown below. Do not solder more than three
times.
Profile item
Conditions
Preheat
- Temperature Min (TSmin)
150˚C
- Temperature Max (TSmax)
200˚C
- Time (min to max) (ts)
90±30 sec
Soldering zone
- Temperature (TL)
217˚C
- Time (tL)
60 ~ 100 sec
Peak Temperature (TP)
260˚C
3˚C / sec max.
Ramp-up rate
3~6˚C / sec
Ramp-down rate
20 sec
Temperature ( C)
Ramp-up
TP 260 C
TL 217 C
Tsmax 200 C
Ramp-down
60-100 sec
Tsmin
150 C
tL (Soldering)
25 C
Time (sec)
60 ~ 120 sec
ts (Preheat)
9/12
Part N.: LTV-357T series
BNC-OD-FC002/A4
Rev. :-
Photocoupler
LTV-357T series
7.2 Wave soldering (JEDEC22A111 compliant)
One time soldering is recommended within the condition of temperature.
Temperature: 260+0/-5˚C
Time: 10 sec.
Preheat temperature:25 to 140˚C
Preheat time: 30 to 80 sec.
7.3 Hand soldering by soldering iron
Allow single lead soldering in every single process. One time soldering is recommended.
Temperature: 380+0/-5˚C
Time: 3 sec max.
10/12
Part N.: LTV-357T series
BNC-OD-FC002/A4
Rev. :-
Photocoupler
LTV-357T series
8. RRECOMMENDED FOOT PRINT PATTERNS (MOUNT PAD)
Unit: mm
11/12
Part N.: LTV-357T series
BNC-OD-FC002/A4
Rev. :-
Photocoupler
LTV-357T series
9. NAMING RULE
LTV- 357T-(1)-(2)-G
DEVICE PART NUMBER
(1) TAPING TYPE (TP or no suffix)
Please refer to orientation of taping on Page P3
(2) CTR RANK
Please refer to Page P6
(3) Halogen free option
Example : LTV-357T-TP-A-G
LTV 357T (1)(2) -V-G
DEVICE PART NUMBER
(1) TAPING TYPE (TP or no suffix)
Please refer to orientation of taping on Page P3
(2) CTR RANK
Please refer to Page P6.
(3) VDE option
(4) Halogen free option
Example : LTV357TTPA-V-G
10. NOTES
LiteOn is continually improving the quality, reliability, function or design and LiteOn reserves the right to make changes
without further notices.
The products shown in this publication are designed for the general use in electronic applications such as office automation
equipment, communications devices, audio/visual equipment, electrical application and instrumentation.
For equipment/devices where high reliability or safety is required, such as space applications, nuclear power control
equipment, medical equipment, etc, please contact our sales representatives.
When requiring a device for any ”specific” application, please contact our sales in advice.
If there are any questions about the contents of this publication, please contact us at your convenience.
The contents described herein are subject to change without prior notice.
Immerge unit’s body in solder paste is not recommended.
12/12
Part N.: LTV-357T series
BNC-OD-FC002/A4
Rev. :-
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