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UAA2016P Datasheet(PDF) 1 Page - ON Semiconductor |
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UAA2016P Datasheet(HTML) 1 Page - ON Semiconductor |
1 / 12 page © Semiconductor Components Industries, LLC, 2006 January, 2006 − Rev. 9 1 Publication Order Number: UAA2016/D UAA2016 Zero Voltage Switch Power Controller The UAA2016 is designed to drive triacs with the Zero Voltage technique which allows RFI−free power regulation of resistive loads. Operating directly on the AC power line, its main application is the precision regulation of electrical heating systems such as panel heaters or irons. A built−in digital sawtooth waveform permits proportional temperature regulation action over a ±1°C band around the set point. For energy savings there is a programmable temperature reduction function, and for security a sensor failsafe inhibits output pulses when the sensor connection is broken. Preset temperature (i.e. defrost) application is also possible. In applications where high hysteresis is needed, its value can be adjusted up to 5 °C around the set point. All these features are implemented with a very low external component count. Features • Zero Voltage Switch for Triacs, up to 2.0 kW (MAC212A8) • Direct AC Line Operation • Proportional Regulation of Temperature over a 1°C Band • Programmable Temperature Reduction • Preset Temperature (i.e. Defrost) • Sensor Failsafe • Adjustable Hysteresis • Low External Component Count • Pb−Free Packages are Available Figure 1. Representative Block Diagram Sense Input Sampling Full Wave Logic + − 1/2 Failsafe Hysteresis Adjust 4 3 4−Bit DAC Temperature Reduction Voltage Reference Internal Reference + 1 + VEE 5 Pulse Amplifier Supply Voltage + Output 6 7 2 11−Bit Counter (Sawtooth Generator) +VCC Sync UAA2016 8 Synchronization See detailed ordering and shipping information in the package dimensions section on page 9 of this data sheet. ORDERING INFORMATION 1 8 PDIP−8 P SUFFIX CASE 626 1 8 SOIC−8 D SUFFIX CASE 751 http://onsemi.com ZERO VOLTAGE SWITCH POWER CONTROLLER 3 Vref 1 PIN CONNECTIONS 4 8 7 6 5 2 Hys. Adj. Sensor Temp. Reduc. Sync VCC Output VEE (Top View) MARKING DIAGRAMS UAA2016P AWL YYWWG x = A or D A = Assembly Location WL, L = Wafer Lot YY, Y = Year WW, W = Work Week G, G = Pb−Free Package (Note: Microdot may be in either location) 2016x ALYW G 1 8 |
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