LH1262CAC/ CACTR/ CB
Vishay Semiconductors
Dual Photovoltaic MOSFET Driver Solid State Relay
DIP
8
7
6
5
Features
•
•
•
•
•
•
•
High Open Circuit Voltage
High Short Circuit Current
Isolation Test Voltage 5300 V
RMS
Logic Compatible Input
High Reliability
Lead-free component
Component in accordance to RoHS 2002/95/EC
and WEEE 2002/96/EC
i179020
SMD
1
2
3
4
+ Control 1
– Control 1
+ Control 2
– Control 2
– Output 1
+ Output 1
– Output 2
+ Output 2
e3
Agency Approvals
• UL1577, File No. E52744 System Code H or J,
Double Protection
• BSI/BABT Cert. No. 7980
• DIN EN 60747-5-2 (VDE0884)
DIN EN 60747-5-5 pending
• FIMKO Approval
Pb
Pb-free
Description
The LH1262CB/CAC Photovoltaic MOSFET Driver
consists of two LEDs optically coupled to two photo-
diode arrays. The photodiode array provides a float-
ing source with adequate voltage and current to drive
high-power MOSFET transistors. Optical coupling
provides a high I/ O Isolation voltage. In order to turn
the MOSFET off, an external resistance (gate-to-
source) is required for gate discharge.
Applications
High-side Driver
Solid State Relays
Floating Power Supply
Power Control
Data Acquisition
ATE
Isolated Switching
See "Solid Statae Relays" (Application Note 56)
Order Information
Part
LH1262CAC
LH1262CACTR
LH1262CB
Remarks
Tubes, SMD-8
Tape and Reel, SMD-8
Tubes, DIP-8
Document Number 83802
Rev. 1.3, 26-Oct-04
www.vishay.com
1
LH1262CAC/ CACTR/ CB
Vishay Semiconductors
Absolute Maximum Ratings, T
amb
= 25 °C
Stresses in excess of the absolute Maximum Ratings can cause permanent damage to the device. Functional operation of the device is
not implied at these or any other conditions in excess of those given in the operational sections of this document. Exposure to absolute
Maximum Ratings for extended periods of time can adversely affect reliability.
SSR
Parameter
LED input ratings continuous forward
current
LED input ratings reverse voltage
Photodiode array reverse voltage
Ambient operating temperature range
Storage temperature range
Pin soldering time
Input/output isolation voltage
t = 7.0 s max.
t = 60 s min.
I
R
≤
10
µA
I
R
≤
2.0
µA
Test condition
Symbol
I
F
V
R
V
R
T
amb
T
stg
T
S
V
ISO
Value
50
5.0
100
- 40 to + 100
- 40 to + 150
270
5300
Unit
mA
V
V
°C
°C
°C
V
RMS
Electrical Characteristics, T
amb
= 25 °C
Minimum and maximum values are testing requirements. Typical values are characteristics of the device and are the result of engineering
evaluations. Typical values are for information only and are not part of the testing requirements.
Parameter
LED forward voltage
Detector forward voltage
Detector reverse voltage
Open circuit voltage (pins 5, 6 or 7, 8)
Test condition
I
F
= 10 mA
I
F
= 10
µA
I
R
= 2.0
µA
I
F
= 5.0 mA
I
F
= 10 mA
I
F
= 20 mA
Short circuit current (pins 5, 6 or 7, 8)
I
F
= 5.0 mA
I
F
= 10 mA
I
F
= 20 mA
Turn-on time
Turn-off time
1)
Symbol
V
F
V
F(PDA)
V
R(PDA)
V
OC
V
OC
V
OC
I
SC
I
SC
I
SC
t
on
t
off
Min
1.15
Typ.
1.26
14
200
Max
1.45
Unit
V
V
V
10
12
13.1
13.3
15
V
V
V
1.0
2.6
2.44
5.24
10.8
35
90
6.5
14
µA
µA
µA
µs
µs
I
F
= 20 mA
1)
I
F
= 20 mA
1)
f = 1.0 kHz, pulse width = 100
µs,
load (R
L
) = 1.0 MΩ, 15 pF; measured at 90 % rated voltage (t
on
), 10 % rated voltage (t
off
). Actuation
speed depends upon the external t
on
and t
off
circuitry and the capacitance of the MOSFET.
Functional Description
Figure 1 outlines the IV characteristics of the illumi-
nated photodiode array (PDA). For operation at volt-
ages below V
OC
, the PDA acts as a nearly constant
current source. The actual region of operation
depends upon the load.
The amount of current applied to the LED (pins 1 and
2 or 3 and 4) determines the amount of light produced
for the PDA. For high temperature operation, more
LED current may be required.
www.vishay.com
2
Document Number 83802
Rev. 1.3, 26-Oct-04
LH1262CAC/ CACTR/ CB
Vishay Semiconductors
Typical Characteristics (Tamb = 25
°C
unless otherwise specified)
17
17
µA
IF=20 mA
Open-circuit Voltage (V)
16
15
14
13
12
11
10
Short Circuit Current (Isc)
IF =20 mA
IF =10 mA
IF =5.0 mA
8
µA
4
µA
IF=10 mA
IF=5.0 mA
Open Circuit Voltage (VOC)
ilh1262cb_01
10 13.5 14 14.5 +V
ilh1262cb_04
0
-40
-20
0
20
40
60
Ambient Temperature (°C)
80
100
Figure 1. Typical PDA ON Characteristics
Figure 4. Typical PDA ON Characteristics
16
14
Short-cirucuit Current (µA)
Output Voltage (V)
25
20
15
10
5
0
-40
16
20
ilh1262cb_05
12
10
8
6
4
2
0
0
4
R L=
R L=10 MΩ
R L=5.1 MΩ
R L=2.2 MΩ
R L=1.0 MΩ
8
12
LED Forward Current (mA)
IF =20 mA
IF =10 mA
IF =5.0 mA
-20
0
20
40
60
80
100
Ambient Temperature (°C)
ilh1262cb_02
Figure 2. Typical PDA ON Characteristics
Figure 5. Typical PDA ON Characteristics
20
Short Circuit Current (µA)
1.6
1.5
LED Forward Voltage (V)
16
12
8
4
0
IF =50 mA
1.4
1.3
1.2
IF =2.0 mA
1.1
IF =5.0 mA
1.0
-40
IF =10 mA
IF =20 mA
0
4
8
12
LED Forward Current (mA)
16
20
-20
ilh1262cb_03
ilh1262cb_06
60
0
20
40
Ambient Temperature (°C)
80
Figure 3. Typical PDA ON Characteristics
Figure 6. Typical PDA ON Characteristics
Document Number 83802
Rev. 1.3, 26-Oct-04
www.vishay.com
3
LH1262CAC/ CACTR/ CB
Vishay Semiconductors
Figure 7. Typical PDA ON Characteristics
104
IF=20 mA
Response Time (µs)
103
ton
ton
toff
102
toff
RL=2.2 MΩ
RL=1.0 MΩ
101
10
ilh1262cb_07
100
Load Capacitance (pF)
1000
1
–
Channel 1
Control
2
+
8
P-Channel
JFET
7
2.0 MΩ
Switch1
N-Channel
MOSFETs
3
Channel 2
Control
4
–
+
6
P-Channel
JFET
5
Switch2
N-Channel
MOSFETs
2.0 MΩ
ilh1262cb_08
Figure 8. Typical Dual Form A Solid State Relay Application
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4
Document Number 83802
Rev. 1.3, 26-Oct-04
LH1262CAC/ CACTR/ CB
Vishay Semiconductors
Package Dimensions in Inches (mm)
DIP
pin one ID
4
.268 (6.81)
.255 (6.48)
5
6
7
8
ISO Method A
3
2
1
.390 (9.91)
.379 (9.63)
.045 (1.14)
.030 (0.76)
4° typ.
.031 (0.79)
.150 (3.81)
.130 (3.30)
.050 (1.27)
.022 (.56)
.018 (.46)
i178008
.300 (7.62)
typ.
10°
.035 (.89)
.020 (.51)
.100 (2.54) typ.
3°–9°
.012 (.30)
.008 (.20)
.250 (6.35)
.230 (5.84)
.130 (3.30)
.110 (2.79)
Package Dimensions in Inches (mm)
SMD
Pin one I.D
.
.268 (6.81)
.255 (6.48)
.100 (2.54)
.030 (.76)
R .010 (.25)
.070 (1.78)
.390 (9.91)
.379 (9.63)
.031 (.79)
typ.
.150 (3.81)
.130 (3.30)
.315 (8.00) min
.435 (11.05)
.060 (1.52)
ISO Method A
.045 (1.14)
.030 (0.78)
Radius
.395 (10.03)
.375 (9.52)
.312 (7.80)
.298 (7.52)
3° to 7°ˇ
10°ˇ
.315
(8.00)
typ.
.010
(2.54)
typ.
4°
typ.
.050
(1.27)
typ.
.008 (.25)
.004 (.10)
.100 (2.54)
typ.
.040 (1.02)
.020 (.51)
i178009
Document Number 83802
Rev. 1.3, 26-Oct-04
www.vishay.com
5
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