Atmel U217B
The integrated circuit, U217B, is designed as a zerovoltage switch in bipolar technology. It is used to control resistive loads at mains by a triac in zero-crossing mode.| Part No. | U217B |
|---|---|
| Datasheet | U217B Download |
| Manufacturer |  Atmel |
| Description | Zero-Voltage Switch |
| Buy | Stock & Price |
DESCRIPTION
A ramp generator allows power control function by period group control, whereas full-wave logic guarantees that full mains cycles are used for load switching.FEATURES
D Direct supply from the mains D Current consumption ≤ 0.5 mA D Very few external components D Full-wave drive – no DC current component in the load circuit D Negative output current pulse typ. 100 mA – short-circuit protected D Simple power control D Ramp generator D Reference voltageAPPLICATIONS
D Full-wave power control D Temperature regulation D Power blinking switch Block Diagram 220 kW R2 (250 V~) (Rsync) D1 BYT86/800 R1 18 kW/ 2W Load 1000 W L C2 2.2 mF/ 10 V R4 100 kW R5 15 kW max 100 kW min R6 58 kW 2 1 Ramp generator 8 Synchronization 3 + 4+ Full-wave logi
