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< 30mW standby power
The iW1676 is a high performance AC/DC controller designed to drive a low-cost BJT power switch in peak current mode PWM flyback power supplies up to 5W. Ideal for power adapters for smartphones, the iW1676 integrates Dialog’s PrimAccurate™ digital primary-side control, eliminating the need for the secondary-side optocoupler, reducing component count and solution cost.
The iW1676 easily meets the US DoE’s external power supply standard and the EU’s Code of Conduct, version 5, tier 2 standard, with no-load power consumption less than 30mW. Additional features include Dialog's proprietary EZ-EMI™ technology, quasi-resonant control for optimal efficiency at heavy loads, cable and connector voltage drop compensation options, full protection from fault conditions and tiny packaging.
Features
Easily Meets DoE External Power Supply and EU Code of Conduct, Version 5, Tier 2 Standards
- Less than 30mW No-Load Power Consumption
低1.7UA启动电流
64kHz PWM Switching Frequency
Voltage Offset Compensation for Voltage Loss in Cables and Connectors (4 Options)
PrimAccurate™ - Primary-Side Control, No Optocoupler Needed
Intrinsically Low Noise Solution - No Audible Noise Over Entire Operating Range
准谐振控制以获得最佳效率
EZ-EMI™ Design to Easily Meet Global EMI Specifications
Fast Dynamic Load Regulation
微小的SOT-23-5包装
Fully Protected from Fault Conditions
- 过温保护
- Output Over-Voltage and Over-Current
- 输入欠压保护
- Sense-Resistor Short Circuit Protection
雷竞技安卓下载
便携式电子设备的电源适配器
消费电子电源
线性AC / DC电源更换
Block Diagrams
Typical Applications Diagram
Functional Block Diagram
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