LT218D

LT218D Rev.A Photo DMOS-FET Relay Description The LT218D 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 •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 4 1 Unit : mm inch Tolerance: 0.1 .004 3 2 4 3 1 2 1. LED Anode 2. LED Cathode 3. Source (-) 4. Drain (+) Letex Technology Corp. LT218D Rev.A Photo DMOS-FET Relay Specifications Part Name: LT218D (Load voltage: 40V / Load current: 3.5A/DC) Absolute Maximum Ratings (Ambient Temperature: 25℃) Item Symbol Value Units Continuous LED Current IF 50 mA Peak LED Current IFP 1000 mA LED Reverse Voltage VR 5 V Input Power Dissipation PIn 75 mW Load Voltage VL 40 VDC Load Current IL 3.5 A Peak Load Current IPeak 5.0 A Output Power Dissipation Pout 400 mW Total Power Dissipation PT 600 mW I/O Breakdown Voltage VI/O 1500 Operating Temperature Topr -40 to +85 Vrms ℃ Storage Temperature Tstg -40 to +100 ℃ Pin Soldering Temperature Tsol 260 ℃ Input Output Note f=100Hz, duty=1% 300μs(1 pulse) RH=60%, 1min 10 sec max. Electrical Specifications (Ambient Temperature: 25℃) Item Input Transmis sion Coupled MIN. TYP. MAX. Units LED Forward Voltage VF 1.2 1.4 V Operation LED Current IF on 0.5 2.0 mA Recovery LED Current IF Off 0.3 0.5 mA Recovery LED Voltage VF off On-Resistance Output Symbol 0.7 Ron Conditions IF=10mA V 0.05 0.08 Ω IF=5mA,IL=100mA, Time to flow is within 1 sec. Off-State Leakage Current ILeak Output Capacitance Cout 240 Turn-On Time Ton 0.4 Turn-Off Time Toff 0.03 I/O Isolation Resistance RI/O I/O Capacitance CI/O 0.1 10 VL=Rating pF VL=0, f=1MHz 0.8 ms IF=5mA, IL=100mA, 0.05 ms 10 0.8 uA 1.5 Ω DC500V pF f=1MHz Letex Technology Corp. LT218D Rev.A Reference Data Load current Vs. Ambient temperature On resistance Vs. Ambient temperature Turn on time Vs. Ambient temperature 3.0 3.5 2.5 0.20 3.0 2.0 1.5 0.15 Turn on time (ms) On resistabce (Ω) Load current (mA) 2.0 2.5 0.10 0.05 0 -40 -20 0 20 40 60 80 85 100 0 -40 -20 Ambient temperature (℃) 20 40 60 85 100 -40 0.02 0.01 0.5 4 0.4 3 2 1 0 20 40 60 85 100 40 60 80 85 100 0.3 0.2 0 -40 -20 Ambient temperature (℃) 0 20 40 60 85 100 -40 -20 0 Ambient temperature (℃) 20 40 60 85 100 Ambient temperature (℃) Voltage Vs. currennt characteristics of output at MOS portion LED forward voltage Vs. Ambient temperature 20 0.1 0 0 0 LED turn off current Vs. Ambient temperature 5 LED turn off time (mA) LED operate current (mA) 0.03 -20 -20 Ambient temperature (℃) LED operate current Vs. Ambient temperature 0.04 Turn off time (ms) 0 Ambient temperature (℃) Turn off time Vs. Ambient temperature -40 1.0 0.5 1.0 0 1.5 Off state leakage current Vs. Load voltage characteristics LED forward voltage (V) 1.4 1.3 10-3 10 8 Off state leakage current (A) Current, A 1.5 6 4 2 -5 1.2 -4 -3 -2 1 50mA 30mA 20mA 10mA 5mA 1.1 -1 -2 2 3 4 5 Voltage, V -4 -6 1.0 10-6 10-9 -8 10 -12 -10 0 -40 -20 0 20 40 60 85 0 100 20 Ambient temperature (℃) LED foward current Vs. turn off time characteristics 0.12 1.0 0.10 Turn off time (ms) 1.2 60 80 100 0.8 0.6 0.4 Applied voltage Vs. output capacitance characteristics 200 Out capacitance (pF) LED foward current Vs. turn on time characteristics Turn on time (ms) 40 Load voltage (V) 0.08 0.06 0.04 150 100 50 0.2 0.02 0 0 0 10 20 30 40 LED forward current (mA) 50 60 0 0 10 20 30 40 LED forward current (mA) 50 60 0 10 20 30 40 50 Applied voltage (V) Letex Technology Corp. LT218D Rev.A Taping Specifications for Surface Mount Devices Label sticking position Direction of feed Unit : mm Recommended Mounting Pad Marking (Unit: mm / Tolerance: ±0.1) (Each photo MOS relay shall be marked with the following information) Brand Name LETEX LT218D Part Name R963 Date Code R963 Weeks Monthly Year RoHS 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. Letex Technology Corp.