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| SAT450 AC Input Optocoupler DESCRIPTION The SAT450 consists of a phototransistor optically coupled to a pair of light emitting diodes for AC input operation. Optical coupling between the input LEDs and output phototransistor allows for high isolation levels while maintaining low-level AC signal control capability. The SAT450 provides an optically isolated method of controlling many interface applications such as telecommunications, industrial control and instrumentation circuitry. FEATURES High input-to-output isolation package (3750 Vrms) Low input power consumption High stability AC/DC input control APPLICATIONS Registers, copiers, Automatic Vending Machines System appliances, measuring instruments Computer terminals, PLCs Telecommunications, telephones Home Appliances Digital logic inputs Microprocessor inputs Switching power supply, laser beam printers, etc. OPTIONS/SUFFIXES -TR Tape and Reel MAXIMUM RATINGS PARAMETER Storage Temperature Operating Temperature Input Forward Current Input Peak Forwad Current 1. Anode/ Cathode 2. Anode/ Cathode 3. Emitter 4. Collector UNIT C C mA A V mW MIN -55 -40 TYP MAX 125 100 50 1 6 170 SCHEMATIC DIAGRAM Reverse Input Voltage Total Power Dissipation APPROVALS UL and C-UL Approved File#E201932 rev 1.0 Solid State Optronics, Inc. 1.888.377.4776 www.ssousa.com SAT450 AC Input Optocoupler ELECTRICAL CHARACTERISTICS - 25 PARAMETER INPUT SPECIFICATIONS LED Forward Voltage Terminal Capacitance V pF 1.2 30 1.4 250 If = 20mA V=0, f=1kHz UNIT MIN TYP MAX TEST CONDITIONS OUTPUT SPECIFICATIONS Collector-Emitter Breakdown Voltage Emitter-Collector Breakdown Voltage Dark Current Floating Capacitance Saturation Voltage Current Transfer Ratio Rise Time Fall Time V V A pF V % s s 20 4 3 0.6 0.1 60 5 0.1 1 0.3 400 Ic = 1uA Ie = 1uA Vce = 20V Vce = 0V, f=1MHz If = 20mA, Ic = 1mA If = 1mA, Vce = 5V Ic = 2mA, Vce = 2V, Rc = 100 ohms Ic = 2mA, Vce = 2V, Rc = 100 ohms COUPLED SPECIFICATIONS Isolation Voltage Isolation Resistance V G 3750 50 T = 1 minute rev 1.0 Solid State Optronics, Inc. 1.888.377.4776 www.ssousa.com SAT450 Fig.1 Forward Current vs. Ambient Temperature Fig.2 Diode Power Dissipation vs. Ambient Temperature Fig.3 Collector Power Dissipation vs. Ambient Temperature Collector power dissipation Pc (mW) Ambient Temperature Ta (C) Diode power dissipation P (mW) Ambient Temperature Ta (C) Forward Current IF (mA) Ambient Temperature Ta (C) Fig.4 Total Power Dissipation vs. Ambient Temperature Fig.5 Peak Forward Current vs. Duty Ratio Fig.6 Forward Current vs. Forward Voltage Total power dissipation Pc (mW) Peak Forward Current IFM (mA) Ambient Temperature Ta (C) Duty ratio Forward Current IF (mA) Forward voltage VF (V) Fig.7 Current Transfer Ratio vs. Forward Current Fig.8 Collector Current vs. Collectoremitter Voltage Fig.9 Relative Current Transfer Ratio vs. Ambient Temperature Forward Current IF (mA) Collector-emitter Voltage VCE (V) Relative current transfer ratio (%) Current transfer ratio CTR (%) Collector Current Ic (mA) Ambient Temperature Ta (C) Collector-emitter saturation Voltage VCE (SAT) (V) Fig.10 Collector-emitter Saturation Voltage vs. Ambient Temperature Fig.11 Collector Dark Current vs. Ambient Temperature Fig.12 Response Time vs. Load Resistance Collector dark current ICEO (A) Ambient Temperature Ta (C) Ambient Temperature Ta (C) Response Time (us) Load resistance RL (K ohm) rev 1.0 Solid State Optronics, Inc. 1.888.377.4776 www.ssousa.com SAT450 AC Input Optocoupler MECHANICAL DIMENSIONS 4 PIN SMALL OUTLINE PACKAGE .275" 0.015" (6.985 0.4mm) END VIEW .170" 0.010" (4.165 0.3mm) TOP VIEW .80" 0.005" (1.96 0.13mm) BACK VIEW rev 1.0 Solid State Optronics, Inc. 1.888.377.4776 www.ssousa.com |
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