Datasheet U2010B (Atmel) - 15

Atmel U2010B Figure 7-15.
Application Circuit 230V ~ 18kΩ/2W D1 D3 R8 LED L R1 470kΩ αmax C1 1MΩ α + 22µF max R2 330kΩ R9 VS Load 15 14 13 12 11 Overload Limiting Voltage Mains voltage Supply 10 detector detector compensation voltage High load GND Automatic A 100% 70% retriggering αmax A Output B 9 Phase Programmable Auto- B Current control unit overload start - 1 2 + S1 C detector protection ϕ = f(V4) Full wave C I rectifier max R3 16 R12 220kΩ 180Ω Voltage
Atmel
monitoring
U2010B
R4 1 Load current Level Soft Reference 3.3kΩ detector shift start voltage T1 2 3 4 5 6 7 8 D2 R6 V(R6) = ± 250mV + C2 1N4148 0.1µF R11 4.7µF 1MΩ C5 Overload R5 C4 threshold C3 3.3kΩ 10nF 0.15µF R7 R14 P1 8.2kΩ C7 C6 + 1µF 1µF + 50kΩ R10 Set point R13 Load current 100kΩ N compensation 100kΩ
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4766D–INDCO–03/11 Document Outline Features Applications 1. Description 2. Pin Configuration 3. General Description 3.1 Mains Supply 3.2 Voltage Monitoring 3.3 Phase Control 3.4 Automatic Retriggering 3.5 Current Synchronization 3.6 Voltage Synchronization with Mains Voltage Compensation 3.7 Load-current Compensation 3.8 Load-current Limitation 3.8.1 Mode Selection 4. Absolute Maximum Ratings 5. Thermal Resistance 6. Electrical Characteristics 7. Diagrams 8. Ordering Information 9. Package Information 10. Revision History