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Photo DMOS-FET Relay
is a miniature 1
coupled MOSFET technology to provide 1500V of input to output isolation. The Input of optical
1500Vrms Input/Output isolation
Tape & Reel version available
Measuring and Testing equipment
Description
The LT216
coupler been controlled by a highly efficient GaAlAs infrared LED and MOS FETs on the output side.
-Form A solid state relay in a 4 pin SOP package that employs optically
Features
‧
SOP package 4 Pin type in miniature design (4.4×4.3×2.0mm / .173×.169×.083 inch)
‧
Low driver power requirements (TTL/CMOS Compatible)
‧
High reliability
‧
Arc-Free with no snubbing circuits
‧
‧
Applications
‧
Telecommunications (PC, Electronic notepad)
‧
‧
Industrial control
‧
Security equipments
‧
High speed inspection machine
‧ Data communication equipments
‧ Factory automotive equipments
Letex Technology Corp.
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Photo DMOS-FET Relay Specifications
LED Reverse Voltage
Load Voltage
Total Power Dissipation
I/O Breakdown Voltage
Operating Temperature
Storage Temperatur
Pin Soldering Temperature
Voltage
Recovery LED Voltage
Time to flow is within
On Time
Transmis
Off Time
Part Name: LT216
(Load voltage:20V / Load current: AC:1.7A)
Absolute Maximum Ratings (Ambient Temperature: 25℃)
Item Symbol Value Units Note
Continuous LED Current IF 50 mA
Input
Peak LED Current IFP 1000 mA
Input Power Dissipation PIn 75 mW
Load Current IL 1.7 A
Output
Peak Load Current IPeak 35 A 300μs(1 pulse)
Output Power Dissipation Pout 1.8 W
Electrical Specifications (Ambient Temperature: 25℃)
Item Symbol MIN. TYP. MAX. Units Conditions
Input
LED Forward
Operation LED Current IF On 0.5 3 mA
Recovery LED Current IF Off 0.35 0.5 mA
Output
On-Resistance Ron 1.2 Ω
Off-State Leakage
Current
Output Capacitance Cout 500 pF VL=0, f=1MHz
f=100Hz,
duty=1%
VR 5 V
VL 20 V(AC peak or DC)
PT 2 W
VI/O 1500 Vrm RH=60%, 1min
TOpr -40 to +85 ℃
e TStg -40 to +100 ℃
TSol 260 ℃ 10 sec max.
VF 1.2 1.4 V IF=10mA
VF Off 0.5 V
IF=5mA,IL=100mA,
1 sec.
ILeak 1 µA VL=Rating
sion
Coupled
Turn-
Ton 1.5 ms
IF=5mA, IL=100mA
TurnI/O Isolation Resistance RI/O 10
Toff 0.1 ms
9
Ω DC500V
I/O Capacitance CI/O 0.8 1.5 pF f=1MHz
Letex Technology Corp.
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Outline Dimensions
1 2
34
Unit : mm inch
Tolerance: 0.1 .004
Schematic
4
1
1. LED Anode
2. LED Cathode
3. MOS FET
4. MOS FET
3
2
Letex Technology Corp.
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Reference Data
Ambient temperature (
Off state leakage current (A)
Ambient temperature (
Ambient temperature (
Ambient temperature (
Ambient temperature (
Ambient temperature (
Ambient temperature (
Load current Vs.
Ambient temperature
120
100
80
60
40
Load current (mA)
20
0
-40
0.5
0.4
0.3
0.2
Turn off time (ms)
0.1
0
-40
LT211
LT210
-20
Turn off time Vs.
Ambient temperature
-20
40 0 20 60 80
40 0 20 60 85
LT211
LT210
85
℃)
℃)
On resistabce (Ω)
100 -40
LED operate current (mA)
100 -40
On resistance Vs.
Ambient temperature
50
40
30
20
10
0
-20
LED operate current Vs.
Ambient temperature
5
4
3
2
1
0
-20
LT210
LT211
40 0 20 60 85
℃)
40 0 20 60 85
℃)
3.0
2.5
2.0
1.5
1.0
Turn on time (ms)
0.5
100
100 -40
0
0.5
0.4
0.3
0.2
LED turn off time (mA)
0.1
0
Turn on time Vs.
Ambient temperature
-40 -20
20 0 40 60 80
LED turn off current Vs.
Ambient temperature
-20
20 0 40 60 85
℃)
℃)
LT211
LT210
85
100
100
LED forward voltage Vs.
Ambient temperature
1.5
1.4
1.3
1.2
1.1
LED forward voltage (V)
1.0
0
-40
-20
LED foward current Vs.
turn on time characteristics
1.2
1.0
0.8
0.6
Turn on time (ms)
0.4
0.2
0
10
0
20 30 40 50
LED forward current (mA)
40 0 20 60 85
℃)
50mA
30mA
20mA
10mA
5mA
Voltage Vs. currennt characteristics
of output at MOS portion
LT211
100
LT210
80
60
40
Current, A
-5 -4
100
LED foward current Vs.
turn off time characteristics
0.12
0.10
0.08
0.06
Turn off time (ms)
0.04
0.02
60
0
0 10
20
-3 -2
-1
1
2 3 4 5
-20
-40
-60
-80
-100
20 30 40 50
LED forward current (mA)
Voltage, V
60
Off state leakage current
-3
10
-6
10
-9
10
-12
10
0
20
Applied voltage Vs.
output capacitance characteristics
200
150
100
Out capacitance (pF)
50
0
0 10
60 40 80
Load voltage (V)
30 20 40
Applied voltage (V)
LT210
100
50
Letex Technology Corp.
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Taping Specifications for Surface Mount Devices
(Each photo MOS Relay shall be marked
with the following information)
carrier and cover tape follower.
Label sticking position
Direction of feed
Unit : mm
Recommended Mounting Pad
(Top view)
Unit : mm
Tolerance : ±0.1
Marking
Letex
LT216
162
Brand Name
Part Name
Date Code
1 6 2
Weeks
Monthly
Year
Notes：
1. There shall be 400 mm of leader minimum what may consist of
2. Devices are pockets in accordance with IEC standard IEC286-3 (JIS C 0806) and specifications given above.
3. Packaging：2,000pcs per reel, 2 reel per box, 5 boxes per carton.
Letex Technology Corp.
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