Description The LT211 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 Photo DMOS-FET Relay Specifications Part Name: LT211 (Load voltage: 350V / Load current: 120mA) 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 | 350 | V(AC peak or DC) | | Load Current | IL | 120 | mA | | Peak Load Current | IPeak | 0.6 | A | 100ms(1 pulse) | Output Power Dissipation | Pout | 300 | mW | | Total Power Dissipation | PT | 350 | mW | | I/O Breakdown Voltage | VI/O | 1500 | Vrm | 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 | IF On | | 0.5 | 1.0 | mA | | Recovery LED Current | IF Off | | 0.35 | 0.5 | mA | | Recovery LED Voltage | VF Off | 0.7 | | | V | | Output | On-Resistance | ROn | | 17 | 24 | Ω | IF=5mA,IL=100mA, Time to flow is within 1 sec. | Off-State Leakage Current | ILeak | | | 1 | uA | VL=Rating | Output Capacitance | COut | | 115 | | pF | VL=0, f=1MHz | Transmission | Turn-On Time | TOn | | 0.23 | 0.5 | ms | IF=5mA, IL=100mA, | Turn-Off Time | TOff | | 0.05 | 0.2 | ms | Coupled | I/O Isolation Resistance | RI/O | 1010 | | | Ω | DC500V | I/O Capacitance | CI/O | | 0.8 | 1.5 | pF | f=1MHz |
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