LT310

Photo DMOS-FET Relay Description The LT310 is a miniature 2-Form A solid state relay in a 8 pin SOP package that employs optically coupled MOSFET technology to provide 1500V of input to output isolation. The Input of optical coupler been controlled by a highly efficient GaAlAs infrared LED and MOS FETs on the output side. Features ‧SOP package 8 Pin type in miniature design (4.4×9.4×2.0mm / .173×.37×.083inch) ‧Low driver power requirements (TTL/CMOS Compatible) ‧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 ‧Data communication equipments ‧Factory automotive equipments 1 Letex Technology Corp. Photo DMOS-FET Relay Specifications Part Name: LT310 (Load voltage: 400V / Load current: 100mA) Absolute Maximum Ratings (Ambient Temperature: 25℃) Item Continuous LED Current Input Peak LED Current LED Reverse Voltage Input Power Dissipation Load Voltage Output Load Current Peak Load Current Output Power Dissipation Total Power Dissipation I/O Breakdown Voltage Operating Temperature Storage Temperature Pin Soldering Temperature Symbol IF IFP VR PIn VL IL IPeak Pout PT VI/O TOpr TStg TSol Value 50 1000 5 75 400 100 0.6 300 350 1500 -40 to +85 -40 to +100 260 Units mA mA V mW V(AC peak or DC) mA A mW mW Vrm ℃ ℃ ℃ 10 sec max. RH=60%, 1min 100ms(1 pulse) f=100Hz, duty=1% Note Electrical Specifications (Ambient Temperature: 25℃) Item LED Forward Voltage Input Operation LED Current Recovery LED Current Recovery LED Voltage On-Resistance Output Off-State Leakage Current Output Capacitance Transmis sion Coupled Turn-On Time Turn-Off Time I/O Isolation Resistance I/O Capacitance Symbol VF IF On IF Off VF Off ROn 0.5 20 30 MIN. TYP. 1.2 0.5 0.35 MAX. 1.4 3.0 0.5 Units V mA mA V IF=5mA,IL=100mA, Ω Time to flow is within 1 sec. VL=Rating VL=0, f=1MHz IF=5mA, IL=100mA DC500V f=1MHz Conditions IF=10mA ILeak COut TOn TOff RI/O CI/O 10 9 1 110 0.23 0.03 0.8 0.5 0.2 1.5 µA pF ms ms Ω pF 2 Letex Technology Corp. Outline Dimensions 8 7 6 5 1 2 3 4 Unit : mm inch Tolerance: 0.1 .004 Schematic 8 7 6 5 1 2 3 4 1,3. LED Anode 2,4. LED Cathode 5,6,7,8. MOS FET 3 Letex Technology Corp. Reference Data Load current Vs. Ambient temperature 50 120 100 On resistance Vs. Ambient temperature 3.0 Turn on time Vs. Ambient temperature LT211 40 LT210 On resistabce (Ω ) 30 LT210 2.5 2.0 Load current (mA) 80 60 40 20 0 -40 -20 0 20 40 60 80 85 LT211 Turn on time (ms) 1.5 20 1.0 10 0.5 LT211 LT210 0 100 -40 -20 0 20 40 60 85 100 0 -40 -20 0 20 40 60 80 85 100 Ambient temperature (℃ ) Ambient temperature (℃ ) Ambient temperature (℃ ) Turn off time Vs. Ambient temperature 0.5 5 LED operate current Vs. Ambient temperature 0.5 LED turn off current Vs. Ambient temperature 0.4 4 0.4 LED operate current (mA) Turn off time (ms) 0.3 3 LED turn off time (mA) -20 0 20 40 60 85 100 0.3 0.2 2 0.2 0.1 1 0.1 LT211 LT210 0 -40 -20 0 20 40 60 85 100 0 -40 0 -40 -20 0 20 40 60 85 100 Ambient temperature (℃ ) Ambient temperature (℃ ) Ambient temperature ( ℃ ) LED forward voltage Vs. Ambient temperature 1.5 Voltage Vs. currennt characteristics of output at MOS portion 100 80 60 40 20 Off state leakage current 1.3 Off state leakage current (A) 1.4 LED forward voltage (V) Current, A LT211 LT210 10-3 10-6 1.2 50mA 30mA 20mA 10mA 5mA -5 -4 -3 -2 -1 1 -20 -40 -60 2 3 4 5 Voltage, V 1.1 10-9 LT210 10-12 0 20 40 60 80 100 1.0 -80 -100 0 -40 -20 0 20 40 60 85 100 Ambient temperature (℃ ) Load voltage ( V) LED foward current Vs. turn on time characteristics 1.2 0.12 LED foward current Vs. turn off time characteristics Applied voltage Vs. output capacitance characteristics 200 1.0 0.10 0.8 0.08 0.6 0.06 Out capacitance (pF) 10 20 30 40 50 60 150 Turn on time (ms) Turn off time (ms) 100 0.4 0.04 50 0.2 0.02 0 0 10 20 30 40 50 60 0 0 0 0 10 20 30 40 50 LED forward current (mA) LED forward current (mA) Applied voltage (V) 4 Letex Technology Corp. Taping Specifications for Surface Mount Devices Label sticking position Direction of feed Unit : mm Recommended Mounting Pad (Top view) Marking (Each photo MOS Relay shall be marked w ith the following information) Brand Name Letex LT310 162 Date Code Part Name Unit : mm Tolerance : ±0.1 162 Weeks Monthly Year Notes： 1. 2. 3. There shall be 400 mm of leader minimum what may consist of carrier and cover tape follower. Devices are pockets in accordance with IEC standard IEC286-3 (JIS C 0806) and specifications given above. Packaging：2,000pcs per reel, 2 reel per box, 5 boxes per carton. 5 Letex Technology Corp.