データシートサーチシステム |
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CA3059 データシート(PDF) 1 Page - ON Semiconductor |
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CA3059 データシート(HTML) 1 Page - ON Semiconductor |
1 / 6 page FUNCTIONAL BLOCK DESCRIPTION 1. Limiter−Power Supply — Allows operation of the CA3059 directly from an AC line. Suggested dropping resistor (RS) values are given in the table below. Figure 1. Representative Block Diagram RL − RP + 15 V 100 μF MT2 MT1 Gate Zero Crossing Detector Power Supply 2 AC Input Voltage AC Input RS 5 VCC VCC 4 * RX * NTC Sensor Inhibit External Trigger Current Boost 3 Triac Drive Limiter 14 12 11 10 9 13 Gnd VCC 81 6 Protection Circuit − + On/Off Sensing Amp 7 DC Mode or 400 Hz Input 2. Differential On/Off Sensing Amplifier — Tests for condition of external sensors or input command signals. Proportional control capability or hysteresis may be implemented using this block. 3. Zero−Crossing Detector — Synchronizes the output pulses to the zero voltage point of the AC cycle. This synchronization eliminates RFI when used with resistive loads. 4. Triac Drive — Supplies high−current pulses to the external power controlling thyristor. 5. Protection Circuit — A built−in circuit may be actuated, if the sensor opens or shorts, to remove the drive current from the external triac. 6. Inhibit Capability — Thyristor firing may be inhibited by the action of an internal diode gate at Pin 1. 7. High Power DC Comparator Operation — Operation in this mode is accomplished by connecting Pin 7 to Pin 12 (thus overriding the action of the zero−crossing detector). When Pin 13 is positive with respect to Pin 9, current to the thyristor is continuous. © Semiconductor Components Industries, LLC, 2006 July, 2006 − Rev. 2 1 Publication Order Number: CA3059/D CA3059 Zero Voltage Switch This series is designed for thyristor control in a variety of AC power switching applications for AC input voltages of 24 V, 120 V, 208/230 V, and 277 V @ 50/60 Hz. Applications: • Relay Control • Valve Control • Heater Control • Lamp Control • On−Off Motor Switching • Differential Comparator with Self−Contained Power Supply for Industrial Applications • Synchronous Switching of Flashing Lights AC Input Voltage (50/60 Hz) Vac Input Series Resistor (RS) kΩ Dissipation Rating for RS W 24 2.0 0.5 120 10 2.0 208/230 20 4.0 277 25 5.0 http://onsemi.com SEMICONDUCTOR TECHNICAL DATA ZERO VOLTAGE SWITCH PLASTIC PACKAGE CASE 646 1 14 Device Operating Temperature Range Package ORDERING INFORMATION CA3059 TA = − 40° to +85°C Plastic DIP |
同様の部品番号 - CA3059_06 |
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同様の説明 - CA3059_06 |
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