LT890 LETEX | Alldatasheet

Document overview

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Technical content

Features

  • Low driver power requirements (TTL/CMOS Compatible)
  • No moving parts
  • High reliability
  • Arc-Free with no snubbing circuits
  • 3750 / 5000 Vrms Input/Output isolation

Applications

  • Telecommunications (PC, Electronic notepad)
  • Measuring and Testing equipment
  • Industrial control
  • Automatic meter reading device
  • High speed inspection machine Arc-Free with no snubbing circuits Outline Dimensions 1. LED Anode 2. LED Cathode 4. Drain (MOS FET) 5. Source (MOS FET) 6. Drain (MOS FET) 1 2 6 5 R973 LT890 LETEX 1 2 6 5 PCB LAYOUT (TOP VIEW) 5.08 Unit : mm inch Tolerance: 0.2 .007

LT890 Rev.A Letex Technology Corp. Photo DMOS-FET Relay Specifications Part Name: LT890 (Load voltage: 1500V / Load current: 45mA) Absolute Maximum Ratings (Ambient Temperature: 25 ℃) Item Symbol Value Units Note Input Continuous LED Current I F 50 mA Peak LED Current I FP 1000 mA f=100Hz, duty=1% LED Reverse V oltage V R 5 V Input Power Dissipation P In 75 mW Output Load V oltage V L 1500 V(AC peak or DC) Load Current I L 45 mA A (AC) 50 mA B (DC) 75 mA C (DC) Peak Load Current I Peak 180 mA 100ms(1 pulse) Output Power Dissipation Pout 450 mW Total Power Dissipation P T 500 mW I/O Breakdown V oltage V I/O 3750 Vrms RH=60%, 1min I/O Breakdown V oltage(Suffix-V) V I/O 5000 Vrms RH=60%, 1min Operating Temperature T opr -40 to +85 ℃ Storage Temperature T stg -40 to +100 ℃ Pin Soldering Temperature T sol 260 ℃ 10 sec max. Electrical Specifications (Ambient Temperature: 25 Item Symbol MIN. TYP. MAX. Units Conditions Input LED Forward V oltage V F 1.2 1.5 V I F=10mA Operation LED Current IF on 0.8 5.0 mA Recovery LED Current IF off 0.35 0.8 mA Recovery LED V oltage V F off 0.7 V Output On-Resistance R on 130 200 Ω IF=10mA,IL= Rating, Time to flow is within 1 sec. 220 300 Ω I F=10mA,I L=< 5mA Off-State Leakage Current I Leak 10 uA V L=Rating Output Capacitance C out 58 pF V L=0, f=1MHz Transmis sion Turn-On Time T on 0.3 1.0 ms IF=10mA, IL=Rating Turn-Off Time T off 0.03 0.2 ms Coupled I/O Isolation Resistance R I/O 10 Ω DC500V I/O Capacitance C I/O 0.8 1.5 pF f=1MHz

LT890 Rev.A Letex Technology Corp. Reference Data LED foward current Vs. turn off time characteristics Voltage Vs. currennt characteristics of output at MOS portion 0.2 Turn on time (ms) 0.4 0.6 0.8 LED forward current (mA) 20 30 40 50 0.02 0 10 Turn off time (ms) 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 -20 Ambient temperature ( ℃) 40 0 20 60 85 LED forward voltage Vs. Ambient temperature LED forward voltage (V) 1.0 1.1 1.2 1.3 1.5 1.4 0.10 0.12 100 -100 -5 -4 Current, A -20 -80 -60 -40 -3 -2 Voltage, V 2 3 4 5 100 Out capacitance (pF) 50 60 0 10 Applied voltage (V) 30 20 40 Applied voltage Vs. output capacitance characteristics 1500 120 10 -12 300 Load voltage ( V) 900 600 1200 Off state leakage current Off state leakage current (A) 10 -9 10 -6 10 -3 -40 -20 Turn off time (ms) 0.1 0.2 0.3 Ambient temperature ( ℃) 40 0 20 60 85 0.4 0.5 -40 -20 Turn off time Vs. Ambient temperature Ambient temperature ( ℃) 40 0 20 60 80 LED operate current (mA) 100 -40 -20 Ambient temperature ( ℃) 40 0 20 60 85 LED operate current Vs. Ambient temperature 100 -40 -20 Ambient temperature ( ℃) 40 0 20 60 85 Load current Vs. Ambient temperature Load current (mA) On resistance Vs. Ambient temperature 150 On resistabce ( Ω) 100 200 250 100 100 LED turn off time (mA) 100 -40 -20 0.1 0.2 0.3 Ambient temperature ( ℃) 20 0 40 60 85 LED turn off current Vs. Ambient temperature 0.4 0.5 100 -40 -20 Ambient temperature ( ℃) 20 0 40 60 80 Turn on time Vs. Ambient temperature Turn on time (ms) 1.0 0.5 1.5 2.0 2.5 3.0