Photocoupler
Product Data Sheet
LTV-314 series
Spec No.: DS70-2016-0039
Effective Date: 08/09/2016
Revision: -
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-314 series
1.0 Amp Output Current IGBT Gate Drive Photocoupler with Rail-to-Rail Output Voltage
in Stretched SO6
1. Description
The LTV-314 series Photocoupler is ideally suited for driving power IGBTs and MOSFETs used in motor control inverter applications
and inverters in power supply system. It contains an AlGaAs LED optically coupled to an integrated circuit with a power output stage.
The Photocoupler operational parameters are guaranteed over the temperature range from -40
o
C ~ +105
o
C.
1.1 Features
1.0 A maximum peak output current
0.8 A minimum peak output current
Rail-to-rail output voltage
200 ns maximum propagation delay
100 ns maximum propagation delay difference
Under Voltage Lock-Out protection (UVLO) with hysteresis
20 kV/us minimum Common Mode Rejection (CMR) at V
CM
= 1500 V
Wide operating range: 10 to 30 Volts (V
CC
)
Guaranteed performance over temperature -40
o
C ~ +105
o
C.
MSL Level 1
Safety approval:
UL 1577 recognized with 5000 V
RMS
for 1 minute for
LTV-314P and LTV-314W
VDE DIN EN 60747-5-5 Approved
V
IORM
= 891Vpeak for LTV-314P
V
IORM
= 1140Vpeak for LTV-314W
Functional Diagram
Pin No. and Internal
connection diagram
6
5
4
1. Anode
3. Cathode
4. GND
5. Vo (Output)
6. Vcc
SHIELD
1
2
3
Truth Table
LED
A 0.1μF bypass Capacitor must be connected
High side
Low side
V
O
between Pin 5 and 8. See note 11.
OFF
OFF
ON
Low
ON
ON
OFF
High
Note: A 0.1μF bypass capacitor must be connected
between Pin 4 and 6.
1.2 Applications
IGBT/MOSFET gate drive
Uninterruptible power supply (UPS)
Industrial Inverter
AC/Brushless DC motor drives
Switching power suppliers
1/15
Part No.: LTV-314 series
BNC-OD-FC002/A4
Rev. : -
Photocoupler
LTV-314 series
2. PACKAGE DIMENSIONS
2.1 LTV-314W
2.2 LTV-314P
Notes :
1. Year date code.
2. 2-digit work week.
3. Factory identification mark (Y : Thailand).
4. ―4‖ or ‖V‖ for VDE option.
* Dimensions are in Millimeters and (Inches).
2/15
Part No.: LTV-314 series
BNC-OD-FC002/A4
Rev. : -
Photocoupler
LTV-314 series
3.
TAPING
DIMENSIONS
3.1 LTV-314W-TA
3.2 LTV-314W-TA1
3.3 LTV-314P-TA
3.4 LTV-314P-TA1
Description
Tape wide
Pitch of sprocket holes
Distance of compartment
Symbol
W
P
0
F
P
2
Dimension in mm (inch)
For W type
16± (0.63)
0.3
4± (0.16)
0.1
7.5± (0.3)
0.1
2± (0.079)
0.1
16± (0.63)
0.1
Dimension in mm (inch)
For P type
16± (0.63)
0.3
4± (0.16)
0.1
7.5± (0.3)
0.1
2± (0.079)
0.1
12± (0.47)
0.1
Distance of compartment to compartment
P
1
3.5 Quantities Per Reel
Package Type
Quantities (pcs)
LTV-314 series
1000
3/15
Part No.: LTV-314 series
BNC-OD-FC002/A4
Rev. : -
Photocoupler
LTV-314 series
4. IEC/EN/DIN EN 60747-5-5 Insulation Characteristics
Description
Climatic Classification
Pollution Degree (DIN VDE 0110/1.89)
Maximum Working Insulation Voltage
Input to Output Test Voltage, Method b*
V
IORM
x 1.875 = V
PR
, 100% Production Test with
t
m
= 1 sec, Partial discharge < 5 pC
Input to Output Test Voltage, Method a*
V
IORM
x 1.6 = V
PR
, Type and Sample Test, tm = 10 sec,
Partial discharge < 5 pC
Highest Allowable Overvoltage
(Transient Overvoltage t
ini
= 60 sec)
Symbol
—
—
V
IORM
V
PR
LTV-314P
55/100/21
2
891
1671
LTV-314W
55/100/21
2
1140
2137
Unit
—
—
V
peak
V
peak
V
PR
1426
1824
V
peak
V
IOTM
6000
8000
V
peak
Safety-limiting values – maximum values allowed in the event of a failure.
Case Temperature
Input Current
Output Power
Insulation Resistance at TS, V
IO
= 500 V
T
S
I
S, INPUT
P
S, OUTPUT
R
S
175
150
600
>10
9
175
150
600
>10
9
o
C
mA
mW
* Refer to the optocoupler section of the Isolation and Control Components Designer’s Catalog, under Product Safety Regulations
section, (IEC/EN/DIN EN 60747-5-5) for a detailed description of Method a and Method b partial discharge test profiles.
Note: These optocouplers are suitable for ―safe electrical isolation‖ only within the safety limit data. Maintenance of the safety data
shall be ensured by means of protective circuits. Surface mount classification is Class A in accordance with CECC 00802.
4.1 Insulation and Safety Related Specification
Parameter
Minimum External Air Gap (External
Clearance)
Minimum External Tracking (External
Clearance)
Tracking Resistance (Comparative
Tracking Index)
Symbol
LTV-314P
LTV-314W
Unit
Test Condition
Measured from input terminals to
L(101)
7.0
8.0
mm
output terminals, shortest distance
through air.
L(102)
8.0
8.0
mm
Measured from input terminals to
output terminals, shortest distance
CTI
>175
>175
V
path along body.
DIN EN 60112
(VDE 0303 Teil 11)
4/15
Part No.: LTV-314 series
BNC-OD-FC002/A4
Rev. : -
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