ST Life.augmented

功率因数校正器

功率因数校正 (PFC) 前置稳压器位于前端整流桥与脱机转换器输入滤波电容之间,提供电源与线路电压同相的准正弦电流。 这样,可以获得高功率 (PF) 因数 值 (>0.9) 和低输入电流谐波失真 (THD) 值 (<10%)。 由于具有大量优点,主要利用升压结构。
以下电路图有助于正确选择各种荐用产品。

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Technical Documentation

Application Notes

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AN3358: Turbo2 600 V diodes: optimized solutions for PFC and other applications
1.1 228 KB
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AN4027: 12 V - 150 W resonant converter with synchronous rectification using the L6563H, L6699 and SRK2000A
3.0 2,884 KB
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AN4077: 100 W transition-mode PFC pre-regulator with the new L6564H
1.0 1,926 KB
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AN4163: EVL4984-350W: 350 W CCM PFC pre-regulator with the L4984D
2.0 3,858 KB
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AN4250: Fishbone diagram for power factor correction
1.0 772 KB
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AN4314: 25 W wide-range high power factor buck-boost converter demonstration board using the L6564H
2.0 2,243 KB
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AN993: Electronic ballast with PFC using L6574 and L6561
10.3 1,402 KB

Publications and Collaterals

Flyer

描述 版本 大小
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Ultra-fast (W series) HF - IGBTS
1.0.0 255 KB

Magazine

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Power Factor correction techniques
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Cost Effective LCD Driving Solution
0 KB
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Minimize the cost impact of your PFC circuit
0 KB
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Minimizing Filtering with Ripple Steering
0 KB
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New Fixed Off-Time PWM Modulator Provides Constant Frequency Operation in Boost PFC Pre-regulators
180 KB
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PFC Efficiency Improvement using SiC Power Schottky Rectifiers
0 KB
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Process, Packaging Combine To Advance High-Voltage Power MOSFETs
0 KB
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Zero Ripple Current AC-DC Converters to Minimize Input Filter
755 KB

Magazine Articles

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Dual-output nonisolated SMPS powers appliances
1.0.0 0 KB
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MCU-base cycle-by-cycle power supply control
1.0.0 0 KB
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MCUs Heat Up Digital Loop Control
1.0.0 0 KB
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Minimize the cost impact of your PFC circuit
1.0.0 0 KB
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Operate circuits at voltages as high as 540V ac
1.0.0 0 KB
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Power Factor Correction Techniques
1.0.0 0 KB

Conference Paper

描述 版本 大小
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A New Driving Circuit for Cascode Devices Performing Optimal Control of the Storage Time
558 KB
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Analysis and Performance Evaluation of Interleaved DCM/CCM Boundary Boost PFC Converters Around Zero-Crossing of Line Voltage
578 KB
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Analysis and Performance Evaluation of Interleaved DCM/CCM Boundary Boost PFC Converters Around Zero-Crossing of Line Voltage
334 KB
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Measurement-based load modelling for power supply system design
477 KB
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New Controller IC Enhances the Performance of Transition-mode
99 KB
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Ripple Steering AC-DC Converters to Minimize Input Filter
953 KB
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