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даташит LH1525ACDTR PDF ( Datasheet )

LH1525ACDTR Datasheet Download - Vishay

Номер произв LH1525ACDTR
Описание 1 Form A Solid State Relay
Производители Vishay
логотип Vishay логотип 
предварительный просмотр
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LH1525ACDTR Даташит, Описание, Даташиты
1 Form A Solid State Relay
LH1525ACD/ ACDTR
Vishay Semiconductors
Features
• High-speed Operation
• 2500 VRMS I/O Isolation
• Current-limit Protection
• High Surge Capability
• Load Voltage 400 V
• Clean, Bounce-free Switching
• Extremely Low Power Consumption
• High-reliability Monolithic Receptor
• Surface-mountable
• Lead-free component
• Component in accordance to RoHS 2002/95/EC
and WEEE 2002/96/EC
Agency Approvals
• UL1577, File No. E52744 System Code S
• CSA - Certification 093751
• FIMKO Approval
Applications
PCMCIA Type 2 Cards
Battery Powered Switch Applications
General Telecom Switching
Telephone Line Interface
- On/off Hook
- Ring Relay
- Ground Start
Programmable Controllers
Instrumentation
S
NC
Heat Sink
8
SS
S'
5
12 34
i179047
S S'
e3 Pb
Pb-free
Description
The LH1525 relay is an SPST normally open switch (1
Form A ) in small-outline package (SOP 8 pin). Relay
requires a minimal amount of LED drive current to
operate, making relay ideal for battery powered and
power consumption sensitive applications.
The relay is constructed using a GaAlAs LED for actu-
ation control and an integrated monolithic die for the
switch output. The die, fabricated in a high-voltage
dielectrically isolated BCDMOS technology, is com-
prised of a photodiode array, switch-control circuitry,
and MOSFET switches. In addition, the relay employs
current-limiting circuitry enabling it to pass FCC
68.302 and other regulatory surge requirements
when overvoltage protection is provided.
Order Information
Part
LH1525ACD
LH1525ACDTR
Remarks
8-pin SOP, Tubes
8-pin SOP, Tape and Reel
Document Number 83824
Rev. 1.3, 26-Oct-03
www.vishay.com
1

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LH1525ACDTR Даташит, Описание, Даташиты
LH1525ACD/ ACDTR
Vishay Semiconductors
Absolute Maximum Ratings, Tamb = 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
Output operation: dc or peak ac
load voltage
Continuous dc load current: one
pole operating
Ambient operating temperature
range
Storage temperature range
Test condition
IL 1.0 µA
Pin soldering temperature
t = 5.0 s max
Input/output isolation voltage
Power dissipation
Thermal resistance, junction to
ambient
Symbol
IF
VR
VL
IL
Tamb
Tstg
Tsld
VISO
Pdiss
Rthja
Value
50
5.0
400
110
- 40 to + 85
- 55 to + 150
260
2500
550
200
Unit
mA
V
V
mA
°C
°C
°C
VRMS
mW
C/W
Electrical Characteristics, Tamb = 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.
Input
Parameter
LED forward current for
switch turn-on
LED forward current for
switch turn-off
LED forward voltage
Test condition
IL = 70 mA, t = 10 ms
VL = ± 350 V, t = 100 ms
IF = 1.5 mA
Symbol
IFon
IFoff
VF
Min
0.01
0.80
Typ.
0.3
0.1
1.15
Max
0.5
1.40
Unit
mA
mA
V
Output
Parameter
Test condition
ON-resistance: Pin 5 (±) to 8 (±) IF = 1.5 mA, IL = ± 50 mA
Current limit
IF = 1.5 mA, t = 5.0 ms,
VL = 7.0 V
Output off-state leakage current IF = 0 mA, VL = ± 100 V
IF = 0 mA, VL = ± 400 V
Symbol
Min
Typ.
Max
Unit
RON
17
25
36
ILMT
170
210
270
mA
0.04 200
1.0
nA
µA
www.vishay.com
2
Document Number 83824
Rev. 1.3, 26-Oct-03

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LH1525ACDTR Даташит, Описание, Даташиты
LH1525ACD/ ACDTR
Vishay Semiconductors
Transfer
Parameter
Turn-on time
Turn-off time
Test condition
IF = 1.5 mA, IL = 50 mA
IF = 5.0 mA, IL = 50 mA
IF = 1.5 mA, IL = 50 mA
IF = 5.0 mA, IL = 50 mA
Symbol
Min
Typ.
Max
Unit
ton 1.0 ms
ton 0.5 1.0 ms
toff 0.2 ms
toff 0.4 1.5 ms
Typical Characteristics (Tamb = 25 °C unless otherwise specified)
reducing the current- limit value when relay tempera-
120 ture is increased. An extended clamp condition, which
increases relay temperature, decreases the current-
100 limit value, resulting in a current fold back character-
2.5 mA
80
2.0 mA
60
1.5 mA
40
istic. When the overload is removed, the relay
resumes its normal ON-resistance characteristic.
In a 1 Form A relay, to turn the relay on, forward cur-
rent is applied to the LED. The amount of current
applied determines the amount of light produced for
1.0 mA
20
ILED = 0.3 mA
0
-40 -20
0
20 40 60 80
the photodiode array. This photodiode array develops
a drive voltage for the MOSFET switch outputs. For
high temperature or high-load current operations,
more LED current is required.
ilh1525acd_00
Temperature (°C)
Figure 1. Recommended Operating Conditions
Thermal Considerations
To minimize thermal resistance, pins 6 and 7 of the
LH1525ACD are formed into a tab. This tab should be
soldered to a printed circuit board land pattern of
+I equal or greater size. Do Not run metal underneath
210 mA
ILMT the device or the input-to-output isolation could be
10 ˇ jeopardized.
ı-V 16 ˇ
10 ˇ
ILMT
ilh1525acd_01
60 mA
IK
ı -1.5 V
1.5 V
ı 60 mA
IK
ı -210 mA
ı -I
16 ˇ
+V
Figure 2. Typical AC/DC ON Characteristics
Functional Description
Figure 2 shows the switch characteristics of the relay.
The relay exhibits an ON-resistance that is exception-
ally linear through the origin and up to the knee cur-
rent (IK). Beyond IK, the incremental resistance
decreases, minimizing internal power dissipation.
Overload currents are clamped at ILMT by the internal
current-limit circuitry. The current-limiting circuitry
exhibits a negative temperature coefficient, thereby
Document Number 83824
Rev. 1.3, 26-Oct-03
www.vishay.com
3






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