HiperPFS系列主要特性:

• Single chip solution for boost power factor correction (PFC)

• EN61000-3-2 Class C and D compliant

• High light load efficiency at 10% and 20% load

• >95% efficiency from 10% load to full load

• <130 mW no-load consumption at 230 VAC with output in regulation

• <50 mW no-load consumption at 230 VAC in remote off state

• Frequency adjusted over line voltage, and line cycle

• Spread-spectrum across >60 kHz window to simplify EMI filtering requirements

• Lower boost inductance

• Provides up to 1 kW peak output power

• >1 kW peak power delivery in power limit voltage regulation mode

• High integration allows smaller form factor, higher power density designs

• Incorporates control, gate driver, and high-voltage power MOSFET

• Internal current sense reduces component count and system losses

• Protection features include: UV, OV, OTP, brown-in/out, cycle-by-cycle current limit, and power limiting for overload protection

• Halogen free and RoHS compliant

HiperPFS系列应用:

• PC

• High power adaptors

• Printer

• High power LED lighting

• LCD TV

• Industrial and appliance

• Video game consoles

• Generic PFC converters

图1. HiperPFS系列功能框图

图2.采用PFS714EG的347W PFC电源电路图

图3.采用PFS708EG的180W PFC电源电路图

图4.采用PFS729EG的900W PFC电源电路图

采用PFS740EG的高性能小型100W PFC电源参考设计

This document is an engineering report describing a PFC power supply utilizing a HiperPFS PFS704EG integrated PFC controller. This power supply is intended as a general purpose evaluation platform that operates from universal input and provides a regulated 380 VDC output voltage and a continuous output power of 100 W.

This power supply can deliver the rated power at 110 VAC or higher at a room temperature of 25 ºC. For operation at higher temperatures or lower input voltages, use of forced air cooling is recommended.

The document contains the power supply specification, schematic, bill of materials, inductor documentation, printed circuit layout, and performance data.

100W PFC电源参考设计主要特性:

Low component count, high performance PFC

EN61000-3-2 Class D compliance

High PFC efficiency enables 80 Plus PC Main design

Frequency sliding maintains high efficiency across load range

Feed forward line sense gain - maintains relatively constant loop gain over entire operating voltage range

Excellent transient load response

Power Integration eSIPTM low-profile, low thermal resistance package

Low profile, <15 mm above PCB

图5.100W PFC电源参考设计外形图

100W PFC电源指标:


图6.100W PFC电源参考设计电路图
100W PFC电源参考设计材料清单(BOM):



图7.100W PFC电源参考设计PCB布局图(122.2 mm) x 2.24” (56.9 mm)
Powerint公司的100W PFC电源参考设计是采用HiperPFS系列的 PFS704EG 器件,该系列器件集成了CCM PFC控制器,栅极驱动器和高压功率MOSFET,和EN61000-3-2 Class C与D兼容,10%和20%负载时的效率高,从10%到满负荷的效率大于95%,可提供高达1kW的峰值输出功率,频率可根据火线电压和频率调整,主要用在PC,大功率适配器,打印机,大功率LED照明,工业和家用电器,视频游戏机控制台等.本文介绍了HiperPFS 系列产品亮点和主要特性, 功能框图, 374W,180W和900W PFC电源电路图,以及采用PFS740EG的高性能小型100W PFC电源参考设计技术指标,电路图,材料清单和PCB布局图.