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近日,全球功率半导体和管理方案领导厂商国际整流器公司推出 IRS2980 高电压降压稳压器控制IC,适合 LED 灯泡替换、LED 灯管照明及其它非隔离式LED驱动器应用。
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<P> 近日,全球<A href="http://www.cps800.com/news/2010-9/20109392144.html" target=_blank><STRONG>功率半导体</STRONG></A>和管理方案领导厂商国际整流器公司推出 IRS2980 高电压降压稳压器控制IC,适合 LED 灯泡替换、LED 灯管照明及其它非隔离式 <A href="http://www.cps800.com/news/25872.htm" target=_blank><STRONG>LED 驱动器</STRONG></A>应用。 </P> <P align=center><IMG alt=IR推出IRS2980高电压降压稳压器控制IC src="/uploadfile/newspic/20111028113223977.jpg" border=0></P> <P> IRS2980 是高电压 LEDrivIR IC 系列的首款产品,额定值为 600V,使用滞后平均电流模式控制来实现精准的电流调节。新款 LED 降压驱动器搭载附有高电压内部<A href="http://www.cps800.com/news/25933.htm" target=_blank><STRONG>稳压器</STRONG></A>和高侧电流感应功能的低侧 MOSFET 驱动器。转换器可兼容电子脉冲宽度调制 (PWM) 调光,电流控制范围为0% 至100%。 </P> <P> IR 亚太区销售副总裁潘大伟表示:“固态照明产业发展迅速,因此对于能够为高亮度及高功率LED提供恒流输出的低成本驱动器电子器件的需求与日俱增。与其它适合非隔离式LED 驱动器应用的解决方案相比,全新的 IRS2980 LEDrivIR IC 能够提供更低系统成本和更高性能。” </P> <P> 采用 SO-8 封装的 IRS2980 使用整合了最新高压电平位移和终端技术的 IR 先进高电压 IC 加工工艺,提供卓越的电气过应力保护和更高的现场可靠性。新器件还具有其他新功能与强化性能。 </P> <P> <STRONG>产品规格 </STRONG></P><!--StartFragment--> <P> <TABLE class=MsoNormalTable style="BORDER-RIGHT: medium none; BORDER-TOP: medium none; MARGIN-LEFT: 5.4pt; BORDER-LEFT: medium none; BORDER-BOTTOM: medium none; BORDER-COLLAPSE: collapse; mso-padding-alt: 0cm 5.4pt 0cm 5.4pt; mso-table-layout-alt: fixed; mso-border-alt: solid windowtext .75pt; mso-border-insideh: .75pt solid windowtext; mso-border-insidev: .75pt solid windowtext" cellSpacing=0 cellPadding=0 border=1> <TBODY> <TR style="HEIGHT: 20.4pt; mso-yfti-irow: 0; mso-yfti-firstrow: yes"> <TD style="BORDER-RIGHT: windowtext 1pt solid; PADDING-RIGHT: 5.4pt; BORDER-TOP: windowtext 1pt solid; PADDING-LEFT: 5.4pt; PADDING-BOTTOM: 0cm; BORDER-LEFT: windowtext 1pt solid; WIDTH: 3cm; PADDING-TOP: 0cm; BORDER-BOTTOM: windowtext 1pt solid; HEIGHT: 20.4pt; mso-border-alt: solid windowtext .75pt" vAlign=top width=113> <P class=MsoNormal style="LINE-HEIGHT: normal; mso-layout-grid-align: auto"><B style="mso-bidi-font-weight: normal"><SPAN style="FONT-FAMILY: 宋体; mso-bidi-font-size: 12.0pt; mso-ascii-font-family: 'Times New Roman'; mso-fareast-language: ZH-CN">器件编号</SPAN></B><B style="mso-bidi-font-weight: normal"></B></P></TD> <TD style="BORDER-RIGHT: windowtext 1pt solid; PADDING-RIGHT: 5.4pt; BORDER-TOP: windowtext 1pt solid; PADDING-LEFT: 5.4pt; PADDING-BOTTOM: 0cm; BORDER-LEFT: medium none; WIDTH: 2cm; PADDING-TOP: 0cm; BORDER-BOTTOM: windowtext 1pt solid; HEIGHT: 20.4pt; mso-border-alt: solid windowtext .75pt; mso-border-left-alt: solid windowtext .75pt" vAlign=top width=76> <P class=MsoNormal style="LINE-HEIGHT: normal; TEXT-ALIGN: center; mso-layout-grid-align: auto" align=center><B style="mso-bidi-font-weight: normal"><SPAN style="FONT-FAMILY: 宋体; mso-bidi-font-size: 12.0pt; mso-ascii-font-family: 'Times New Roman'; mso-fareast-language: ZH-CN">封装</SPAN></B><B style="mso-bidi-font-weight: normal"></B></P></TD> <TD style="BORDER-RIGHT: windowtext 1pt solid; PADDING-RIGHT: 5.4pt; BORDER-TOP: windowtext 1pt solid; PADDING-LEFT: 5.4pt; PADDING-BOTTOM: 0cm; BORDER-LEFT: medium none; WIDTH: 51.75pt; PADDING-TOP: 0cm; BORDER-BOTTOM: windowtext 1pt solid; HEIGHT: 20.4pt; mso-border-alt: solid windowtext .75pt; mso-border-left-alt: solid windowtext .75pt" vAlign=top width=69> <P class=MsoNormal style="LINE-HEIGHT: normal; TEXT-ALIGN: center; mso-layout-grid-align: auto" align=center><B style="mso-bidi-font-weight: normal"><SPAN style="FONT-FAMILY: 宋体; mso-bidi-font-size: 12.0pt; mso-ascii-font-family: 'Times New Roman'; mso-fareast-language: ZH-CN">电压</SPAN></B><B style="mso-bidi-font-weight: normal"></B></P></TD> <TD style="BORDER-RIGHT: windowtext 1pt solid; PADDING-RIGHT: 5.4pt; BORDER-TOP: windowtext 1pt solid; PADDING-LEFT: 5.4pt; PADDING-BOTTOM: 0cm; BORDER-LEFT: medium none; WIDTH: 58.5pt; PADDING-TOP: 0cm; BORDER-BOTTOM: windowtext 1pt solid; HEIGHT: 20.4pt; mso-border-alt: solid windowtext .75pt; mso-border-left-alt: solid windowtext .75pt" vAlign=top width=78> <P class=MsoNormal style="LINE-HEIGHT: normal; TEXT-ALIGN: center; mso-layout-grid-align: auto" align=center><B style="mso-bidi-font-weight: normal"><SPAN lang=EN-US style="mso-bidi-font-size: 12.0pt; mso-fareast-font-family: 宋体">VTH </SPAN></B></P></TD> <TD style="BORDER-RIGHT: windowtext 1pt solid; PADDING-RIGHT: 5.4pt; BORDER-TOP: windowtext 1pt solid; PADDING-LEFT: 5.4pt; PADDING-BOTTOM: 0cm; BORDER-LEFT: medium none; WIDTH: 84pt; PADDING-TOP: 0cm; BORDER-BOTTOM: windowtext 1pt solid; HEIGHT: 20.4pt; mso-border-alt: solid windowtext .75pt; mso-border-left-alt: solid windowtext .75pt" vAlign=top width=112> <P class=MsoNormal style="LINE-HEIGHT: normal; TEXT-ALIGN: center; mso-layout-grid-align: auto" align=center><B style="mso-bidi-font-weight: normal"><SPAN lang=EN-US style="mso-bidi-font-size: 12.0pt; mso-fareast-font-family: 宋体">Io</SPAN></B></P></TD> <TD style="BORDER-RIGHT: windowtext 1pt solid; PADDING-RIGHT: 5.4pt; BORDER-TOP: windowtext 1pt solid; PADDING-LEFT: 5.4pt; PADDING-BOTTOM: 0cm; BORDER-LEFT: medium none; WIDTH: 82.5pt; PADDING-TOP: 0cm; BORDER-BOTTOM: windowtext 1pt solid; HEIGHT: 20.4pt; mso-border-alt: solid windowtext .75pt; mso-border-left-alt: solid windowtext .75pt" vAlign=top width=110> <P class=MsoNormal style="LINE-HEIGHT: normal; TEXT-ALIGN: center; mso-layout-grid-align: auto" align=center><B style="mso-bidi-font-weight: normal"><SPAN style="FONT-FAMILY: 宋体; mso-bidi-font-size: 12.0pt; mso-ascii-font-family: 'Times New Roman'; mso-fareast-language: ZH-CN">最高频率</SPAN></B><B style="mso-bidi-font-weight: normal"></B></P></TD></TR> <TR style="mso-yfti-irow: 1; mso-yfti-lastrow: yes"> <TD style="BORDER-RIGHT: windowtext 1pt solid; PADDING-RIGHT: 5.4pt; BORDER-TOP: medium none; PADDING-LEFT: 5.4pt; PADDING-BOTTOM: 0cm; BORDER-LEFT: windowtext 1pt solid; WIDTH: 3cm; PADDING-TOP: 0cm; BORDER-BOTTOM: windowtext 1pt solid; mso-border-alt: solid windowtext .75pt; mso-border-top-alt: solid windowtext .75pt" vAlign=top width=113> <P class=MsoNormal style="LINE-HEIGHT: normal; mso-layout-grid-align: auto"><SPAN lang=EN-US style="mso-fareast-font-family: 宋体">IRS2980SPBF</SPAN></P></TD> <TD style="BORDER-RIGHT: windowtext 1pt solid; PADDING-RIGHT: 5.4pt; BORDER-TOP: medium none; PADDING-LEFT: 5.4pt; PADDING-BOTTOM: 0cm; BORDER-LEFT: medium none; WIDTH: 2cm; PADDING-TOP: 0cm; BORDER-BOTTOM: windowtext 1pt solid; mso-border-alt: solid windowtext .75pt; mso-border-left-alt: solid windowtext .75pt; mso-border-top-alt: solid windowtext .75pt" vAlign=top width=76> <P class=MsoNormal style="LINE-HEIGHT: normal; mso-layout-grid-align: auto"><SPAN lang=EN-US style="mso-fareast-font-family: 宋体">SO8</SPAN></P></TD> <TD style="BORDER-RIGHT: windowtext 1pt solid; PADDING-RIGHT: 5.4pt; BORDER-TOP: medium none; PADDING-LEFT: 5.4pt; PADDING-BOTTOM: 0cm; BORDER-LEFT: medium none; WIDTH: 51.75pt; PADDING-TOP: 0cm; BORDER-BOTTOM: windowtext 1pt solid; mso-border-alt: solid windowtext .75pt; mso-border-left-alt: solid windowtext .75pt; mso-border-top-alt: solid windowtext .75pt" vAlign=top width=69> <P class=MsoNormal style="LINE-HEIGHT: normal; TEXT-ALIGN: center; mso-layout-grid-align: auto" align=center><SPAN lang=EN-US style="mso-fareast-font-family: 宋体">600 V</SPAN></P></TD> <TD style="BORDER-RIGHT: windowtext 1pt solid; PADDING-RIGHT: 5.4pt; BORDER-TOP: medium none; PADDING-LEFT: 5.4pt; PADDING-BOTTOM: 0cm; BORDER-LEFT: medium none; WIDTH: 58.5pt; PADDING-TOP: 0cm; BORDER-BOTTOM: windowtext 1pt solid; mso-border-alt: solid windowtext .75pt; mso-border-left-alt: solid windowtext .75pt; mso-border-top-alt: solid windowtext .75pt" vAlign=top width=78> <P class=MsoNormal style="LINE-HEIGHT: normal; TEXT-ALIGN: center; mso-layout-grid-align: auto" align=center><SPAN lang=EN-US style="mso-fareast-font-family: 宋体">0.5V</SPAN></P></TD> <TD style="BORDER-RIGHT: windowtext 1pt solid; PADDING-RIGHT: 5.4pt; BORDER-TOP: medium none; PADDING-LEFT: 5.4pt; PADDING-BOTTOM: 0cm; BORDER-LEFT: medium none; WIDTH: 84pt; PADDING-TOP: 0cm; BORDER-BOTTOM: windowtext 1pt solid; mso-border-alt: solid windowtext .75pt; mso-border-left-alt: solid windowtext .75pt; mso-border-top-alt: solid windowtext .75pt" vAlign=top width=112> <P class=MsoNormal style="LINE-HEIGHT: normal; TEXT-ALIGN: center; mso-layout-grid-align: auto" align=center><SPAN lang=EN-US style="mso-fareast-font-family: 宋体">+/- 80/260mA</SPAN></P></TD> <TD style="BORDER-RIGHT: windowtext 1pt solid; PADDING-RIGHT: 5.4pt; BORDER-TOP: medium none; PADDING-LEFT: 5.4pt; PADDING-BOTTOM: 0cm; BORDER-LEFT: medium none; WIDTH: 82.5pt; PADDING-TOP: 0cm; BORDER-BOTTOM: windowtext 1pt solid; mso-border-alt: solid windowtext .75pt; mso-border-left-alt: solid windowtext .75pt; mso-border-top-alt: solid windowtext .75pt" vAlign=top width=110> <P class=MsoNormal style="LINE-HEIGHT: normal; TEXT-ALIGN: center; mso-layout-grid-align: auto" align=center><SPAN lang=EN-US style="mso-fareast-font-family: 宋体">150kHz</SPAN></P></TD></TR></TBODY></TABLE></P> <P><!--EndFragment--> </P> <P> <STRONG>专利和商标</STRONG> </P> <P> LEDrivIRTM 是国际整流器公司 (International Rectifier Corporation) 的商标,IR® 是国际整流器公司的注册商标。文中所提及其它产品名称均为对应持有人所有的商标。<SPAN style="FONT-FAMILY: Webdings"><</SPAN></P>