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FEATURES
* This specification shall be applied to photocoupler. Model No. LTV-355T as an option. * High current transfer ratio ( CTR : MIN. 600% at IF = 1mA, VCE = 2V ) * Isolation voltage between input and output LTV-355T-V ( Viso = 3,750Vrms ) * Employs double transfer mold technology * Subminiature type ( The volume is smaller than that of conventional DIP type by as far as 30% ) * Mini-flat package : 2.0mm profile : LTV-355T-V * UL approved ( No. E113898 ) * CUL approved ( No. E113898 , 01SC19287 ) * CSA approved ( No. 1243207 ) * FIMKO approved ( No. FI-16420 ) * NEMKO approved ( No. P01100403 ) * DEMKO approved ( No. 310475-01 ) * SEMKO approved ( No. 0109173 / 01-08 ) * VDE approved ( No. 094722 ) * RoHS compliance
APPLICATIONS
* Hybrid substrates that require high density mounting. * Programmable controllers
Part No. : LTV-355T-V
BNS-OD-C131/A4
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OUTLINE DIMENSIONS
LTV-355T-V :
*1. 2-digit date code. *2. Factory identification mark shall be marked (Z : Taiwan, Y : Thailand, X : China). *3. Rank shall be or shall not be marked.
Part No. : LTV-355T-V
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TAPING DIMENSIONS
Description Tape wide Pitch of sprocket holes Distance of compartment Distance of compartment to compartment
Symbol W P0 F P2 P1
Dimensions in mm ( inches ) 12 0.3 ( .47 ) 4 0.1 ( .15 ) 5.5 0.1 ( .217 ) 2 0.1 ( .079 ) 8 0.1 ( .315 )
Part No. : LTV-355T-V
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ABSOLUTE MAXIMUM RATING
( Ta = 25C )
PARAMETER Forward Current INPUT Reverse Voltage Power Dissipation Collector - Emitter Voltage Emitter - Collector Voltage OUTPUT Collector Current Collector Power Dissipation Total Power Dissipation *1 Isolation Voltage Operating Temperature Storage Temperature *2 Soldering Temperature IC PC Ptot Viso Topr Tstg Tsol 80 150 170 3,750 -55 ~ +100 -55 ~ +150 260 mA mW mW Vrms C C C SYMBOL IF VR P VCEO VECO RATING 50 6 70 35 6 UNIT mA V mW V V
*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
Part No. : LTV-355T-V
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ELECTRICAL - OPTICAL CHARACTERISTICS
( Ta = 25C )
PARAMETER Forward Voltage INPUT Reverse Current Terminal Capacitance Collector Dark Current Collector-Emitter Breakdown Voltage Emitter-Collector Breakdown Voltage Collector Current * Current Transfer Ratio Collector-Emitter Saturation Voltage Isolation Resistance Floating Capacitance Cut-Off Frequency Response Time (Rise) Response Time (Fall) SYMBOL MIN. TYP. MAX. UNIT VF IR Ct ICEO BVCEO -- -- -- -- 35 1.2 -- 30 -- -- 1.4 10 250 1 -- V A pF A V CONDITIONS IF=20mA VR=4V V=0, f=1KHz VCE=10V, IF=0 IC=0.1mA IF=0 IE=10A IF=0 IF=1mA VCE=2V IF=20mA IC=5mA DC500V 40 ~ 60% R.H. V=0, f=1MHz VCE=5V, IC=2mA RL=100, -3dB VCE=2V, IC=10mA RL=100
OUTPUT
BVECO IC CTR VCE(sat)
6 6 600 --
-- -- -- 0.8
-- 75 7,500 1
V mA % V pF kHz s s
TRANSFER CHARACTERISTICS
Riso Cf fc tr tf
5x1010 1x1011 -- 1 -- -- 0.6 6 60 53
-- 1 -- 300 250
* CTR =
IC x 100% IF
Part No. : LTV-355T-V
BNS-OD-C131/A4
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ISOLATION SPECIFICATION ACCORDING TO VDE 0884
Parameter
Class of environmental test Pollution Maximum Operating Isolation Voltage Partial Discharge Diagram 1 Test Voltage (Between Input and Diagram 2 Output) Maximum Over-voltage Safety Maximum Ratings 1) Case Temperature 2) Input Current 3) Electric Power (Output or Total Power Issipation)
Symbol
VIORM
Conditions
DIN IEC68 DIN VDE0110 tp=60s, qc<5pC
Rating
30/100/21 2 565 848 1059 6000
Unit
VPEAK VPEAK VPEAK VPEAK
Remark
Vpr tp=1s, qc<5pC VINITIAL tINI = 10s
Refer to the Diagram 1, 2
Tsi Isi Psi
IF = 0, Pc = 0 Pc=0 Ta=Tsi
150 200 300 MIN.109 MIN.1011 MIN.1012
o
C
mA mW
Refer to the Figure 1, 3
Isolation Resistance (Test Voltage Between Input and Output : DC500V)
RISO
Ta=Topr(MAX.) Ta=25 oC
Precautions in performing isolation test * Partial discharge test methods shall be the ones according to the specifications of VDE 0884:1992-06 * Please don't carry out isolation test (Viso) over VINITIAL ,This product deteriorates isolation characteristics by partial discharge due to applying high voltage (ex. VINITIAL ). And there is possibility that this product occurs partial discharge in operating isolation voltage (VIORM)
Part No. : LTV-355T-V
BNS-OD-C131/A4
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PARTIAL DISCHARGE TEST METHOD
Method (A) for type testing and random testing. V VINTIAL
Vpr VIORM t1, t2 = 1 to 10s t3, t4 = 1s tp (Partial Discharge Measuring Time)= 60s tb = 62s tini = 10s
t3 t1 tini t2
tp tb
t4
t
Method (B) for routine testing. V Vpr
VIORM
t3, t4 = 0.1s tp (Partial Discharge Measuring Time)= 1s tb = 1.2s
t3
tp tb
t4
t
The partial discharge level shall not exceed 5 pC during the partial discharge measuring time interval tp under the test conditions shown above.
Part No. : LTV-355T-V
BNS-OD-C131/A4
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CHARACTERISTICS CURVES
Fig.1 Forward Current vs. Ambient Temperature
60 50 40 30 20 10 0 -55
Fig.2 Collector Power Dissipation vs. Ambient Temperature
Collector power dissipation Pc (mW)
200
Forward current IF (mA)
150
100
50
0
25
50
75
100
O
125
0 -55
0
25
50
75
100
O
125
Ambient temperature Ta ( C)
Ambient temperature Ta ( C)
Fig.3 Collector-emitter Saturation Voltage vs. Forward Current
Currentor-emitter saturation voltage VCE(sat)
Fig.4 Forward Current vs. Forward Voltage
o
8
30mA 5mA 7mA
Ta= 25 C
Forward current IF (mA)
500 200 100 50 20 10 5 2 1 Ta= 75 C 50 C
o o
7 6 5 4 3 2 1 0 0
Ic= 0.5mA
1mA 3mA
25 C 0C -25 C
o o
o
0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 Forward current IF (mA)
0
0.5
1.0
1.5
2.0
2.5
3.0
Forward voltage VF (V)
Fig.5 Current Transfer Ratio vs. Forward Current
5000
Current transfer ratio CTR (%)
Fig.6 Collector Current vs. Collector-emitter Voltage
100 IF= 10mA Ta= 25 C
Collector current IC (mA)
o
VCE= 2V Ta= 25 C
o
4000 3000 2000 1000 0 0.1
80 60
5mA Pc(MAX.) 2mA
40 20 0
1mA
0.2
0.5
1
2
5
10
0
1
2
3
4
5
Forward current IF (mA)
Collector-emitter voltage VCE (V)
Part No. : LTV-355T-V
BNS-OD-C131/A4
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CHARACTERISTICS CURVES
Fig.7 Relative Current Transfer Ratio vs. Ambient Temperature
150
Fig.8 Collector-emitter Saturation Voltage vs. Ambient Temperature
1.0
Collector-emitter saturation voltage VCE(sat) (V)
Relative current transfer ratio (%)
IF= 1mA VCE= 2V
100
IF= 20mA IC= 1mA
0.8 0.6 0.4 0.2 0 20 40 60 80
o
50
0 20 40 60 80
o
100
100
Ambient temperature Ta ( C)
Ambient temperature Ta ( C)
Fig.9 Collector Dark Current vs. Ambient Temperature
100000
Fig.10 Response Time vs. Load Resistance
500 200 100 50 20 10 5 2 1 0.5 0.2 0.05 td ts
Collecotr dark current ICEO(nA)
VCE= 20V
Response time ( s)
10000 1000 100 10 1 20
VCE= 2V IC= 10mA Ta= 25 C
o
tr tf
40
60
80
o
100
0.1 0.2
0.5
1
2
5
10
Ambient temperature Ta ( C)
Load resistance RL(k )
Fig.11 Frequency Response
Test Circuit for Response Time
Input Output Output td tr ts tf
Voltage gain Av (dB)
0
VCE= 2V IC= 2mA Ta= 25 C
o
Vcc Input RD RL
10% 90%
-10
Test Circuit for Frequency Response
RL= 10k 1k 100 Vcc RD RL Output
-20 0.02
0.1
1
10
100
Frequency f (kHz)
Part No. : LTV-355T-V
BNS-OD-C131/A4
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Temperature Profile of Soldering Reflow
(1) One time soldering reflow is recommended within the condition of temperature and time profile shown below.
Part No. : LTV-355T-V
BNS-OD-C131/A4
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Temperature Profile of Soldering Reflow
(2) When using another soldering method such as infrated ray lamp, the temperature may rise partially in the mold of the device. Keep the temperature on the package of the device within the condition of above (1)
RECOMMENDED FOOT PRINT PATTERNS (MOUNT PAD)
Unit : mm
Part No. : LTV-355T-V
BNS-OD-C131/A4
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