LITE-ON DCC
RELEASE
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
Product Data Sheet
LTV-357T
Spec No.: DS70-2001-012
Effective Date: 05/28/2015
Revision: M
BNS-OD-FC001/A4
BNS-OD-FC001/A4
BNS-OD-FC001/A4
BNS-OD-FC001/A4
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Photocouplers
LTV-357T series
1. DESCRIPTION
1.1 Features
Current transfer ratio ( CTR : 50% to 150% at IF = 5mA, VCE = 5V )
High input-output isolation voltage ( Viso = 3,750Vrms )
High collector-emitter voltage ( VCEO = 35V )
Subminiature type (The volume is smaller than that of conventional DIP type by as far as 30%)
Employs double transfer mold technology
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
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Photocouplers
LTV-357T series
2. PACKAGE DIMENSIONS
Part No : LTV-357T
Notes :
1. 1-digit Year date code, 2-digit work week.
2. Factory identification mark shall be marked (X:China-TJ, W:China-CZ)
3. Rank shall be or shall not be marked.
4. “●” indicates halogen free option.
5. “4”or”V” for VDE option.
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Photocouplers
LTV-357T series
3. TAPING DIMENSIONS
P/N : LTV-357T
TP1 MINI FLAT (3000pcs/reel): No Suffix & Suffix “TP1”
Description
Symbol
Dimension in mm (inch)
Tape wide
W
12±0.3 (0.47)
Pitch of sprocket holes
P0
4±0.1 (0.15)
Distance of compartment
F
5.5±0.1 (0.217)
P2
2±0.1 (0.079)
Distance of compartment to
compartment
P1
8±0.1 (0.315)
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Photocouplers
LTV-357T series
4. RATING AND CHARACTERISTICS
4.1 Absolute Maximum Ratings at Ta=25°C
Parameter
Symbol
Rating
Unit
Input
Forward Current
IF
50
mA
Reverse Voltage
VR
6
V
Power Dissipation
P
70
mW
Output
Collector - Emitter Voltage
VCEO
35
V
Emitter - Collector Voltage
VECO
6
V
Collector Current
IC
50
mA
Collector Power Dissipation
PC
150
mW
Total Power Dissipation
Ptot
170
mW
1.
Isolation Voltage
Viso
3750
Vrms
Operating Temperature
Topr
-55 ~ +110
oC
Storage Temperature
Tstg
-55 ~ +150
oC
2.
Soldering Temperature
Tsol
260
oC
1. AC For 1 Minute, 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
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Photocouplers
LTV-357T series
4.2 ELECTRICAL OPTICAL CHARACTERISTICS at Ta=25°C
Parameter
Symbol
Min.
Typ.
Max.
Unit
Test Condition
Input
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
Output
Collector Dark Current
ICEO
—
—
100
nA
VCE=20V, IF=0
Collector-Emitter
Breakdown Voltage
BVCEO
35
—
—
V
IC=0.1mA, IF=0
Emitter-Collector
Breakdown Voltage
BVECO
6
—
—
V
IE=10A, IF=0
TRANSFER
CHARACTERISTICS
Collector Current
IC
2.5
—
30
mA
IF=5mA
VCE=5V
1.
Current Transfer Ratio
CTR
50
—
600
%
Collector-Emitter
Saturation Voltage
VCE(sat)
—
—
0.2
V
IF=20mA
IC=1mA
Isolation Resistance
Riso
51010
11011
—
DC500V,
40 ~ 60% R.H.
40 ~ 60% R.H.
Floating Capacitance
Cf
—
0.6
1
pF
V=0, f=1MHz
Response Time (Rise)
tr
—
4
18
s
VCE=2V,
IC=2mA
RL=100,
Response Time (Fall)
tf
—
3
18
s
1.
100%
I
I
CTR
F
C
6/11
Photocouplers
LTV-357T series
5. RANK TABLE OF CURRENT TRANSFER RATIO CTR
CTR Rank
Min
Max
Condition
A
80
160
IF=5mA, VCE=5V, Ta=25oC
B
130
260
C
200
400
D
300
600
E
50
150
A or B or C or D or No mark
50
600
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Photocouplers
LTV-357T series
6. CHARACTERISTICS CURVES
Fig.4 Forward Current vs. Forward
Fig.5 Current Transfer Ratio vs.
Forward Current Fig.6 Collector Current vs.
Collector-emitter Voltage
Ta= 75 C
50 C 25 C
0 C
-25 C
Ta= 25 C
Pc(MAX.)
5mA
10mA
20mA
Current transfer ratio CTR (%)
Collector current Ic (mA)
Fig.3 Collector-emitter Saturation
Voltage vs. Forward Current
CE
Ic= 0.5mA
1mA
3mA
7mA
5mA
Ta= 25 C
Collecotr-emitter saturation voltage
V (sat) (V)
Voltage
o
O
o
o
oo
o
o
0
1
0
015
1
2
3
4
5
6
0.5 1.0 1.5 2.0 2.5 3.0
2
5
10
20
50
100
200
500
01002 5 10 20 50
20
40
60
80
100
120
140
160
180
200
1 2 3 4 5 6 7 8 9
10
30
50
105
20
40 25mA
15mA
Collector-emitter voltage VCE(V)
Forward current IF(mA)
Forward current IF(mA) Forward voltage VF(V)
Forward current IF(mA)
VCE= 5V
Ta= 25 C IF= 30mA
Fig.1 Forward Current vs. Fig.2 Collector Power Dissipation vs.
Ambient Temperature
0
Collector power dissipation Pc (mW)
Ambient temperature Ta ( C) Ambient temperature Ta ( C)
60
0
50
100
150
200
Ambient Temperature
oo
50
40
30
20
10
Forward current IF(mA)
05025 75 100 125-55 -55 12525050 75 100
0.01
0.1
1
10
0.1 1 10 100
Normalized CTR
IF- Forward Current - mA
VCE = 5V
VCE = 0.4V
Normalized to
IF= 5mA
VCE = 5V
TA= 25oC
0
10
20
30
40
50
60
70
0 2 4 6 8 10
IC- Collector Emitter - mA
VCE(non-sat) - Non-Saturated Collector Emitter Voltage - V
IF= 5mA
IF= 10mA
IF= 1mA
TA= 25oC
PCMax.
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Photocouplers
LTV-357T series
tr
tf
td
ts
Fig.8 Collector-emitter Saturation Voltage
Fig.9 Collector Dark Current vs.
Ambient Temperature Fig.10 Response Time vs. Load
Fig.11 Frequency Response
CE
vs. Ambient Temperature
Ambient temperature Ta ( C)
Ambient temperature Ta ( C)
Frequency f (kHz)
Response time ( s)
Voltage gain Av (dB)
Collector-emitter saturation voltage
V (sat) (V)
o
o
o
o
0.2
0.0520 40 60 80 100 0.1 0.2 0.5 1 2 5 10
0.5
1
2
5
10
20
50
100
200
500
0.5
20
10
0
210 100 500
Resistance
Fig.7 Relative Current Transfer Ratio
vs. Ambient Temperature
1 5 20 50
Test Circuit for Response Time
Test Circuit for Frequency Response
Input
Input
Vcc
ts
Output
Output
tr
Output
Vcc
td
tf
10%
90%
Load resistance RL (k )
Collector dark current ICEO (nA)
VCE= 20V VCE= 2V
IC= 2mA
Ta= 25 C
RDRL
RDRL
RL= 10k1k
100
VCE= 2V
IC= 2mA
Ta= 25 C
1
10
10000
1000
100
Ambient temperature Ta ( C)
o
Relative current transfer ratio (%)
020 40 60 80 100
50
100
150 IF= 1mA, VCE= 5V
120
IF= 20mA
IC= 1mA
020 40 80 100
0.02
0.04
0.06
0.08
0.10
60 120
120
0
0.02
0.04
0.06
0.08
0.1
0.12
0.14
0.16
0.18
0.2
-60 -40 -20 0 20 40 60 80 100 120
VCE(sat) - Saturated Collector-Emitter
Voltage - V
TA- Ambient Temperature - oC
IF= 20mA, IC= 1mA
IF= 10mA, IC= 1mA
IF= 5mA, IC= 1mA
0
0.2
0.4
0.6
0.8
1
1.2
1.4
-60 -40 -20 0 20 40 60 80 100 120
Normalized CTR
Temp (oC)
Normalized to
IF=5mA
Vce=5V
Ta=25
o
C
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Photocouplers
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)
- Temperature Max (TSmax)
- Time (min to max) (ts)
150˚C
200˚C
90±30 sec
Soldering zone
- Temperature (TL)
- Time (tL)
217˚C
60 ~ 100 sec
Peak Temperature (TP)
260˚C
Ramp-up rate
3˚C / sec max.
Ramp-down rate
3~6˚C / sec
60 ~ 120 sec
25 C
150 C
200 C
260 C
217 C
60-100 sec
Time (sec)
Temperature ( C)
20 sec
Tsmax
ts (Preheat)
tL (Soldering)
Tsmin
TL
TP
Ramp-down
Ramp-up
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Photocouplers
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.
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Photocouplers
LTV-357T series
8. RRECOMMENDED FOOT PRINT PATTERNS (MOUNT PAD)
Unit: mm
9. 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.