iW1818 Datasheet, PDF
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iW1818 Part Attribute
- Description The iW1818 AccuSwitch™ digital PWM converter integrates a highly accurate control circuit with an 800V bipolar junction transistor (BJT) power switch to provide a complete solution for off-line power conversion at up to 12W of output power. Renesas' PrimAccurate™ primary-side digital control algorithms eliminate the need for failure-prone optocouplers and ensure excellent cross-regulation accuracy, to enable the longer operating lifetime, high performance and reduced cost required for white goods applications. The output is designed to smoothly start-up into large capacitors while maintaining a quick turn-on time. It operates in quasi-resonant mode to optimize efficiency and incorporates a low-power mode that achieves <50mW of no-load power consumption to meet global energy efficiency regulations. Additional features include full protection from over-temperature, overvoltage and overcurrent conditions as well as EZ-EMI® technology to easily meet global EMI specifications. A DiaSIM™ simulation model is available for the iW1818. For more information and where to download, please visit the DiaSIM page.
- Part No. iW1818
- Manufacturer 瑞萨-Renesas
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