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| Previous Datasheet Index Next Data Sheet PD 1.030D Series PVA30 BOSFET Photovoltaic Relay (R) Microelectronic Power IC Relay Single-Pole, 40mA, 0-300V AC/DC General Description The Photovoltaic AC Relay (PVA) is a single-pole, normally open solid state replacement for electro-mechanical relays used for general purpose switching of analog signals. It utilizes as an output switch a unique bidirectional (AC or DC) MOSFET power IC termed a BOSFET. The BOSFET is controlled by a photovoltaic generator of novel construction, which is energized by radiation from a dielectrically isolated light emitting diode (LED). The PVA30 series combines very low solid state output capacitance, very high off-state resistance and very fast response. These Photovoltaic Relays are designed specifically to accurately switch low-level signals in high-performance instrumentation systems. The PVA overcomes the limitations of both conventional and reed electromechanical relays by offering the solid state advantages of long life, high operating speed, low pick-up power, bounce-free operation, low thermal voltages and miniaturization. These advantages allow product improvement and design innovations in many applications such as process control, multiplexing, telecommunications, automatic test equipment and data acquisition. The PVA30 series can switch analog signals from thermocouple level to 300 volts peak AC or DC polarity. Signal frequencies into the RF range are easily controlled and switching rates up to 25kHz are achievable. The extremely small thermally generated offset voltages allow increased measurement accuracies. The critical output semiconductors are completely shielded from the infra-red radiation of the input LED. Therefore, photocurrents in the output BOSFET are nonexistent and there is not an output offset resulting from radiation from the input LED drive. Unique silicon technology developed by International Rectifier forms the heart of the PVA. The monolithic BOSFET contains a bidirectional N-channel power MOSFET output structure. In addition, this power IC chip has input circuitry for fast turn-off and gate protection functions. This section of the BOSFET chip utilizes both bipolar and MOS technology to form NPN transistors, P-channel MOSFETs, resistors, diodes and capacitors. The photovoltaic generator similarly utilizes a unique International Rectifier alloyed multijunction structure. The excellent current conversion efficiency of this technique results in the very fast response of the PVA microelectronic power IC relay. This advanced semiconductor technology has created a radically new control device. Designers can now develop switching systems to new standards of electrical performance and mechanical compactness. PVA30 Features BOSFET Power IC 10 10 Operations 25sec Operating Time Low Output Capacitance 0.2Volt Thermal Offset Offset Independent of Input Drive 3 milliwatts Pick-Up Power 1000V/sec dv/dt Bounce-Free 8-pin DIP Package -40C to 85C UL recognized s s s s s s s s s s s s Part Identification Part Number PVA3054 0 - 300V PVA3055 5 mA 1011 Ohms Operating Sensitivity Voltage (AC/DC) Off-State Resistance 1010 Ohms (BOSFET is a trademark of International Rectifier) To Order Previous Datasheet Index Next Data Sheet Series PVA30 BOSFET(R) Photovoltaic Relay Electrical Specifications (-40C TA +85C unless otherwise specified) INPUT CHARACTERISTICS Minimum Control Current (see figure 1) For 40mA Continuous Load Current For 22mA Continuous Load Current Maximum Control Current for Off-State Resistance at 25C Control Current Range (Caution: current limit input LED. See figure 6) Maximum Reverse Voltage PVA3054 5.0 5.0 10 PVA3055 Units DC mA@40C mA@60C A(DC) mA(DC) V(DC) 2.0 to 25 7.0 OUTPUT CHARACTERISTICS Operating Voltage Range Maxiumum Load Current 40C (see figure 1) Response Time @25C (see figures 7 and 8) Maximum T(on) @ 12mA Control, 20 mA Load, 100 VDC Maximum T(off) @ 12mA Control, 20 mA Load, 100 VDC Max. On-state Resistance 25C (Pulsed) (fig. 4) 10 mA Load, 5mA Control Minimum Off-state Resistance 25C @ 240 VDC Maximum Off-state Leakage 25C @ 5.0 VDC (see figure 5) Maximum Thermal Offset Voltage @ 5.0mA Control VO(OS) Minimum Off-State dv/dt Maximum Output Capacitance (see figure 9) PVA3054 40 PVA3055 Units V(PEAK) mA(DC) 0 to 300 25 15 160 1010 -- 0.2 1000 3.0 1011 0.05 s s nA volts V/s pF @ 40VDC GENERAL CHARACTERISTICS (PVA3054 and PVA3055) Dielectric Strength: Input-Output Insulation Resistance: Input-Output @ 90V DC Maximum Capacitance: Input-Output Max. Pin Soldering Temperature (1.6mm below seating plane, 10 seconds max.) Ambient Temperature Range: Operating Storage 2500 1012 @ 25C - 50% RH 1.0 +260 -40 to +85 -40 to +100 Units VRMS pF C To Order Previous Datasheet Index Next Data Sheet Series PVA30 BOSFET(R) Photovoltaic Relay Max. Load Current (mA) Offset Voltage (Volts) Ambient Temperature (C) Input control Current IF (mA) Figure 1. Current Derating Curves Figure 2. Offset Voltage RDD(on) (Ohms) Ambient Temperature (C) Figure 3.Typical On Characteristics Figure 4. Typical On-Resistance To Order Previous Datasheet Index Next Data Sheet Series PVA30 BOSFET(R) Photovoltaic Relay Input Current (mA) Nano-Amperes Off-State Voltage (V DD) Volts LED Forward Voltage Drop (Volts DC) Figure 5. Typical Variation of Off-State Leakage Current Figure 6. Input Characteristics (Current Controlled) I LED (mA) Delay Time (microseconds) Figure 7.Typical Delay Times Figure 8. Delay Time Definitions To Order Previous Datasheet Index Next Data Sheet Series PVA30 BOSFET(R) Photovoltaic Relay Typical Capacitance (picofarads) VDD Drain to Drain Voltage Figure 9. Typical Output Capacitance Wiring Diagram To Order Previous Datasheet Index Next Data Sheet Series PVA30 BOSFET(R) Photovoltaic Relay Case Outline (Dimensions in millimeters (inches)) Mechanical Specifications: Package: 8-pin DIP Tolerances: .015 (.38) unless otherwise specified Case Material: molded epoxy Weight: .07 oz. (2 gr.) WORLD HEADQUARTERS: 233 Kansas St., El Segundo, California 90245, Tel: (310) 322 3331 EUROPEAN HEADQUARTERS: Hurst Green, Oxted, Surrey RH8 9BB, UK Tel: ++ 44 1883 713215 IR CANADA: 7321 Victoria Park Ave., Suite 201, Markham, Ontario L3R 2Z8, Tel: (905) 475 1897 IR GERMANY: Saalburgstrasse 157, 61350 Bad Homburg Tel: ++ 49 6172 96590 IR ITALY: Via Liguria 49, 10071 Borgaro, Torino Tel: ++ 39 11 451 0111 IR FAR EAST: K&H Bldg., 2F, 3-30-4 Nishi-Ikeburo 3-Chome, Toshima-Ku, Tokyo, Japan 171 Tel: ++ 81 3 3983 0641 IR SOUTHEAST ASIA: 315 Outram Road, #10-02 Tan Boon Liat Building, Singapore 0316 Tel: ++ 65 221 8371 http://www/irf.com/ Data and specifications subject to change without notice. 9/96 To Order |
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