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        LT218 光電繼電器
        來源: admin   發布時間: 2024-09-11   4806 次瀏覽   大小:  16px  14px  12px
        LT218
        LT218 光電繼電器

        詳細介紹

        LT218

        Rev.B

        Letex Technology Corp.

        Photo DMOS-FET Relay

        Description

        The LT218 is a miniature 1-Form A solid state relay in a 4 pin SOP package that employs

        optically coupled MOSFET technology to provide 1500V of input to output isolation.

        The optically coupled input is controlled by a highly efficient GaAlAs infrared LED and

        MOS FETs on the output side.

        Features

        ?SOP package 4 Pin type in miniature design (4.4×4.3×2.0mm / .173×.169×.083inch)

        ?Low driver power requirements (TTL/CMOS Compatible)

        ?No moving parts

        ?Hi-A : Load Current = 2.5A

        ?High reliability

        ?Arc-Free with no snubbing circuits

        ?1500Vrms Input/Output isolation

        ?Tape & Reel version available

        Applications

        ?Telecommunications (PC, Electronic notepad)

        ?Measuring and Testing equipment

        ?Industrial control

        ?Security equipments

        ?High speed inspection machine

        Outline Dimensions

        3

        Unit : mm inch

        Tolerance: 0.1 .004

        1

        4

        2

        1

        2

        4 3

        1. LED Anode

        2. LED Cathode

        3, 4. Drain (MOS FET) LT218

        Rev.B

        Letex Technology Corp.

        Photo DMOS-FET Relay Specifications

        Part Name: LT218

        (Load voltage:40V / Load current: 2.5A)

        Absolute Maximum Ratings (Ambient Temperature: 25℃)

        Item Symbol

        Value Units Note

        Input

        Continuous LED Current IF 50 mA

        Peak LED Current IFP 1000 mA

        f=100Hz,

        duty=1%

        LED Reverse Voltage VR 5 V

        Input Power Dissipation PIn 75 mW

        Output

        Load Voltage VL 40 V(AC peak or DC)

        Load Current IL 2.5 A

        Peak Load Current IPeak 5.0 A

        100ms(1 pulse)

        Output Power Dissipation Pout 400 mW

        Total Power Dissipation PT 500 mW

        I/O Breakdown Voltage VI/O 1500 Vrms RH=60%, 1min

        Operating Temperature Topr -40 to +85

        Storage Temperature Tstg -40 to +100

        Pin Soldering Temperature Tsol 260

        10 sec max.

        Electrical Specifications (Ambient Temperature: 25℃)

        Item Symbol

        MIN.

        TYP. MAX. Units

        Conditions

        Input

        LED Forward Voltage VF 1.2 1.4 V IF=10mA

        Operation LED Current

        IFon 0.5 2.0 mA

        Recovery LED Current

        IFoff 0.35 0.5 mA

        Recovery LED Voltage VFoff 0.7 V

        Output

        On-Resistance Ron 0.06 0.1

        ?

        IF=5mA,IL=100mA,

        Time to flow is within

        1 sec.

        Off-State Leakage

        Current

        ILeak 1 uA VL=Rating

        Output Capacitance Cout 100 pF VL=0, f=1MHz

        Transmis

        sion

        Turn-On Time Ton 0.5 1.0 ms IF=5mA, IL=100mA,

        Turn-Off Time Toff 0.02 0.5 ms

        Coupled

        I/O Isolation Resistance

        RI/O

        1010

        ?

        DC500V

        I/O Capacitance CI/O 0.8 1.5 pF f=1MHz LT218

        Rev.B

        Letex Technology Corp.

        Reference Data

        LED foward current Vs.

        turn off time characteristics

        Voltage Vs. currennt characteristics

        of output at MOS portion

        10

        0.2

        0

        0

        0.4

        0.6

        0.8

        LED forward current (mA)

        20 30 40 50

        0.02

        60

        0

        0 10

        0.04

        0.06

        0.08

        LED forward current (mA)

        20 30 40 50

        LED foward current Vs.

        turn on time characteristics

        50mA

        30mA

        20mA

        10mA

        5mA

        1.0

        1.2

        -40

        0

        -20

        Ambient temperature (℃)

        40

        0 20 60 85

        LED forward voltage Vs.

        Ambient temperature

        1.0

        1.1

        1.2

        1.3

        1.5

        1.4

        0.10

        0.12

        100

        -10

        -5 -4

        1

        -2

        -8

        -6

        -4

        -3 -2

        2

        -1

        4

        Voltage, V

        2 3 4 5

        8

        6

        10

        150

        50

        60

        0

        0 10

        50

        100

        Applied voltage (V)

        30

        20 40

        Applied voltage Vs.

        output capacitance characteristics

        40

        200

        0

        10-12

        8

        Load voltage (V)

        24

        16 32

        10 -9

        10 -6

        10 -3

        -40

        0

        -20

        0.01

        0.02

        0.03

        Ambient temperature (℃)

        40

        0 20 60 85

        0.04

        -40

        0

        -20

        Turn off time Vs.

        Ambient temperature

        Ambient temperature (℃)

        40

        0 20 60 80

        85

        100 -40

        0

        -20

        1

        2

        3

        Ambient temperature (℃)

        40

        0 20 60 85

        LED operate current Vs.

        Ambient temperature

        4

        5

        100 -40

        0

        -20

        Ambient temperature (℃)

        40

        0 20 60 85

        Load current Vs.

        Ambient temperature

        0.5

        1.0

        1.5

        2.0

        2.5

        3.0

        On resistance Vs.

        Ambient temperature

        100

        100

        100 -40

        0

        -20

        0.2

        0.4

        0.6

        Ambient temperature (℃)

        20

        0 40 60 85

        LED turn off current Vs.

        Ambient temperature

        0.8

        1.0

        100

        0

        -40 -20

        Ambient temperature (℃)

        20

        0 40 60 80

        85

        Turn on time Vs.

        Ambient temperature

        1.0

        0.5

        1.5

        2.0

        2.5

        3.0

        0.05

        0.10

        0.15

        0.20

        Off state leakage current Vs.

        Load voltage characteristics

        Turn on time (ms)

        Turn off time (ms)

        LED forward voltage (V)

        Current, A

        Out capacitance (pF)

        Off state leakage current (A)

        Turn off time (ms)

        LED operate current (mA)

        Load current (A)

        On resistabce (Ω)

        LED turn off time (mA)

        Turn on time (ms)LT218

        Rev.B

        Letex Technology Corp.

        Taping Specifications for Surface Mount Devices

        Direction of feed

        Unit : mm

        Label sticking position

        Unit : mm

        Tolerance : ±0.1

        Recommended Mounting Pad

        (Top view)

        Marking

        (Each photo MOS Relay shall be marked

        with the following information)

        Brand Name

        Part Name

        Date Code

        LETEX

        LT218

        R963

        R963

        RoHS

        Weeks

        Monthly

        Year

        Note: 1. There shall be leader of 230 mm minimum which may consist of carrier and or cover tape

        follower by a minimum of 160 mm of carrier tape sealed with cover tape.

        2. There shall be a minimum of 160 mm of empty component pockets sealed with cover tape.

        3. Devices are pockets in accordance with EIA standard EIA-481-A and specifications given above.

        4. Packaging: 2,000pcs per reel, 2 reel per box, 5 boxes per carton.

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