品牌索引
产品分类 > 小信号开关二极管> 瞬态电压抑制器TVS/ESD> 双极管二极管> 调谐二极管> 齐纳(稳压)二极管> 小信号肖特基二极管> 频带转换二极管> 中/高功率管> 射频PIN二极管> Sinterglass二极管> 整流器 > N沟道(N-Channel)> P沟道(P-Channel)> 双N沟道(Dual N-Channel)> 双P沟道(Dual P-Channel)> 双N和P沟道(Dual N and P-Channel)
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产品介绍 General Features
• Near−Unity Power Factor • Substantial 180° Phase Shift in All Conditions Including Transient Phases • Frequency Clamped Critical Conduction Mode (FCCrM) i.e., Fixed Frequency, Discontinuous Conduction Mode Operation with Critical Conduction Achievable in Most Stressful Conditions • FCCrM Operation Optimizes the PFC Stage Efficiency Over the Load Range • Out−of−phase Control for Low EMI and a Reduced rms Current in the Bulk Capacitor • Frequency Fold−back at Low Power to Further Improve the Light Load Efficiency • Accurate Zero Current Detection by Auxiliary Winding for Valley Turn On • Fast Line / Load Transient Compensation • High Drive Capability: −500 mA / +800 mA • Signal to Indicate that the PFC is Ready for Operation (“pfcOK” Pin) • VCC Range: from 10 V to 20 V |
