SL844

SL844 1. Features (1) (2) (3) (4) (5) (6) (7) AC input response. Current transfer ratio ( CTR : MIN. 20% at IF = ±1mA, VCE = 5V ) Wide Operating temperature range -55~110ºC High input-output isolation voltage ( Viso = 5,000Vrms ) Response time ( tr : TYP. 4us at VCE = 2V, IC = 2mA, RL =100) High collector-emitter voltage (VCE≧80V) MSL ClassⅠ 2. Description The SL844 series of four channel devices each consist of two infrared emitting diodes, connected in inverse parallel, optically coupled to a photo transistor detector. (2) They are packaged in a 4-pin DIP package and available in side-lead spacing and SMD option. (1) 3. Applications (1)AC line monitor (3)Telephone line interface (2)Programmable controllers (4)Unknown polarity DC sensor 4. Absolute Maximum Ratings at Ta=25℃ Parameter Input Output Symbol Rated Value Unit Forward Current Peak forward current (100μs pulse, 100Hz frequency) Reverse Voltage IF ±50 mA IFP 1 A VR 6 V Consume Power P 70 mW VCEO VECO IC PC Ptot Viso Topr Tstg 80 7 50 150 200 5,000 -50 to + 110 -55 to + 125 Tsol 260 Collector and emitter Voltage Emitter and collector Voltage Collector Current Consume Power Total Power Dissipation *1 Isolation Voltage Operating Temperature Storage Temperature *2 Soldering Temperature 1. AC For 1 Minute, R.H. = 40 ~ 60% Isolation voltage shall be measured using the following method. (1) Short between anode and cathode on the primary side and between collector and emitter onthe secondary side. (2) The isolation voltage tester with zero-cross circuit shall be used. (3) The waveform of applied voltage shall be a sine wave. 2. For 10 Seconds www.slkormicro.com 1 V mA mW mW Vrms ℃ SL844 5. Electro-Optical Characteristics (Ta=25℃ unless specified otherwise) Parameter Input Output Transforming Characteristics Symbol Condition Min Forward Current VF IF=±20mA --- 1.2 1.4 V Collector capacitance Ct V=0, f=1KHz --- 30 250 pF Collector to emitter Current ICEO VCE=20V, IF=0mA --- --- 100 nA Collector and Emitter attenuation Voltage BVCEO IC=0.1mA IF=0mA 80 --- --- V Emitter and Collector attenuation Voltage BVECO IE=0.1mA IF=0mA 7 --- --- V *1 Current conversion ratio CTR Collector Current 20 --- 300 % IC IF=±1mA VCE=5V 0.2 --- 3 mA Collector and Emitter Saturation Voltage VCE(sat) IF=±20mA IC= 1mA --- 0.1 0.2 V Insulation Impedance Riso DC500V 40~60%R.H. --- Ω Floating Capacitance Cf V=0, f=1MHz Cut-off Frequency fc Rise Time tr Descend Time tf VCE=5V, IC=2mA RL=100Ω, -3dB VCE=2V, IC=2mA RL=100Ω *1 Current Conversion Ratio = IC / IF × 100%, CTR Tolerance:±3%. www.slkormicro.com Typ.* Max Unit 2 5×1010 1×1012 --- 0.6 1.0 pF --- 80 --- kHz --- 4 18 μs --- 3 18 μs SL844 7. Package Dimension (Unit：mm） 1. SL844 2.SL844M www.slkormicro.com 3 SL844 3. SL844S 8. Recommended Foot Print Patterns (Mount Pad) www.slkormicro.com 4 (Unit：mm） SL844 9. Reliability Test www.slkormicro.com 5 SL844 10. Temperature Profile Of Soldering (1).IR Reflow soldering (JEDEC-STD-020C compliant) One time soldering reflow is recommended within the condition of temperature and time profile shown below. Do not solder more than three times. Profile item Conditions Preheat - Temperature Min (T Smin ) 150˚C - Temperature Max (T Smax ) 200˚C - Time (min to max) (ts) 90±30 sec Soldering zone - Temperature (TL ) 217˚C - Time (t L ) 60 sec Peak Temperature 260˚C Peak Temperature time 20 sec Ramp-up rate 3˚C / sec max. Ramp-down rate from peak temperature 3~6˚C / sec Reflow times ≤3 www.slkormicro.com 6 SL844 (2).Wave soldering (JEDEC22A111 compliant) One time soldering is recommended within the condition of temperature. Temperature 260+0/-5˚C Time 10 sec Preheat temperature 25 to 140˚C Preheat time 30 to 80 sec (3).Hand soldering by soldering iron Allow single lead soldering in every single process. One time soldering is recommended. www.slkormicro.com Temperature 380+0/-5˚C Time 3 sec max 7 SL844 11. Characteristics Curves www.slkormicro.com 8 SL844 www.slkormicro.com 9