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LM2576S-5.0

LM2576S-5.0

  • 厂商:

    HXY(华轩阳)

  • 封装:

    TO-263-5

  • 描述:

    本款高端DC-DC电源芯片封装为TO263-5L,专为高功率、宽电压输入设备打造。其功能特性为降压型,可在输入电压高达40V的情况下,稳定输出5V电压,并具备强大的电流处理能力,最大可持续输出3.5A...

  • 数据手册
  • 价格&库存
LM2576S-5.0 数据手册
HUAXUANYANG HXY LM2576S ELECTRONICS CO.,LTD 3.5A 52KHZ PWM Buck DC/DC Converter General Description 7KHLMSLVDVHULHVRIHDV\WRXVHIL[HG DQGDGMXVWDEOHVWHSGRZQ EXFN VZLWFKPRGH YROWDJHUHJXODWRUV 7KHVH GHYLFHV DUH DYDLODEOH LQ IL[HGRXWSXW YROWDJH RI 9 9 DQG DQ DGMXVWDEOH RXWSXW YHUVLRQ %RWK YHUVLRQV DUH FDSDEOe RI GULYLQJ D .5$ ORDd ZLWK H[FHOOHQWOLQH DQG ORDG UHJXODWLRQ 5HTXLULQJ D PLQLPXP QXPEHU RI H[WHUQDO FRPSRQHQWV WKHVH UHJXODWRUV DUH VLPSOH WR XVH DQGLQFOXGHLQWHUQDOIUHTXHQF\FRPSHQVDWLRQDQG DIL[HGIUHTXHQF\RVFLOODWRU  7KH RXWSXW YROWDJH LV JXDUDQWHHG WR “ WROHUDQFH XQGHU VSHFLILHG LQSXW YROWDJH DQG RXWSXWORDGFRQGLWLRQV7KHRVFLOODWRUIUHTXHQF\LV JXDUDQWHHG WR “ ([WHUQDO VKXWGRZQ LV LQFOXGHGIHDWXULQJW\SLFDOO\—$VWDQGE\FXUUHQW 6HOI SURWHFWLRQ IHDWXUHV LQFOXGH D WZR VWDJH IUHTXHQF\ UHGXFLQJ FXUUHQW OLPLW IRU WKH RXWSXW VZLWFK DQG DQ RYHU WHPSHUDWXUH VKXWGRZQ IRU FRPSOHWHSURWHFWLRQXQGHUIDXOWFRQGLWLRQV 1 2 3 4 5 ON/OFF 4 Feedback 3 Gnd 2 Output 1 Vin 5 TO263-5L Features Name Description ‡ ‡ ‡ ‡ ‡ ‡ ‡ ‡ ‡ ‡ ‡ Vin Input supply voltage Output Switching output Gnd Ground Feedback Output voltage feedback ON/OFF ON/OFF shutdown Active is “Low” or floating 99DQGDGMXVWDEOHRXWSXWYHUVLRQV 2XWSXWDGMXVWDEOHIURPYWR379 )L[HG.+]IUHTXHQF\LQWHUQDORVFLOODWRU *XDUDQWHHG.5$RXWSXWORDGFXUUHQW ,QSXWYROWDJHUDQJHXSWR09 /RZSRZHUVWDQGE\PRGH,4W\SLFDOO\—$ 77/VKXWGRZQFDSDELOLW\ ([FHOOHQWOLQHDQGORDGUHJXODWLRQ 5HTXLUHVRQO\H[WHUQDOFRPSRQHQWV +LJKHIILFLHQF\ 7KHUPDOVKXWGRZQDQGFXUUHQWOLPLWSURWHFWLRQ Pin Descriptions Applications ‡ ‡ ‡ ‡ ‡ ‡ ‡ 6LPSOH+LJKHIILFLHQF\VWHSGRZQUHJXODWRU 2QFDUGVZLWFKLQJUHJXODWRUV 3RVLWLYHWRQHJDWLYHFRQYHUWHU /&'PRQLWRUDQG/&'79 '9'UHFRUGHUDQG3'379 %DWWHU\FKDUJHU 6WHSGRZQWR9IRUPLFURSURFHVVRUV Shenzhen HuaXuanYang Electronics CO.,LTD www.hxymos.com HUAXUANYANG HXY LM2576S ELECTRONICS CO.,LTD 3.5A 52KHZ PWM Buck DC/DC Converter Functional Block Diagram )XQFWLRQDO%ORFN'LDJUDPRI LMS Typical Application )L[HG2XWSXW9ROWDJH9HUVLRQV LM7S 7\SLFDO$SSOLFDWLRQRI LMS Shenzhen HuaXuanYang Electronics CO.,LTD www.hxymos.com HUAXUANYANG HXY LM2576S ELECTRONICS CO.,LTD 3.5A 52KHZ PWM Buck DC/DC Converter Absolute Maximum Ratings 1RWH6WUHVVHVJUHDWHUWKDQWKRVHOLVWHGXQGHU0D[LPXP5DWLQJVPD\FDXVHSHUPDQHQWGDPDJHWRWKH GHYLFH7KLVLVDVWUHVVUDWLQJRQO\DQGIXQFWLRQDORSHUDWLRQRIWKHGHYLFHDWWKHVHRUDQ\RWKHUFRQGLWLRQV DERYHWKRVHLQGLFDWHGLQWKHRSHUDWLRQLVQRWLPSOLHG([SRVXUHWRDEVROXWHPD[LPXPUDWLQJFRQGLWLRQV IRUH[WHQGHGSHULRGVPD\DIIHFWUHOLDELOLW\ Parameter Value Unit WR0 9 )HHGEDFN9)%SLQYROWDJH WR9LQ 9 212))3LQYROWDJH WR9LQ 9 2XWSXWSLQYROWDJH WR9LQ 9  9 ,QWHUQDOO\OLPLWHG : 2SHUDWLQJ7HPSHUDWXUH5DQJH WR 嘙& 6WRUDJH7HPSHUDWXUH WR 嘙& /HDG7HPSHUDWXUH 6ROGHULQJVHF   嘙& (6' +0  9 7KHUPDO5HVLVWDQFH-XQFWLRQWR$PELHQW 5ș-$   ž&: 7KHUPDO5HVLVWDQFH-XQFWLRQWR&DVH 5ș-&   ž&: 6XSSO\9ROWDJH9LQ 2XWSXW9ROWDJHWR*URXQG 6WHDG\6WDWH  3RZHU'LVVLSDWLRQ Electrical Characteristics $OO2XWSXW9ROWDJH9HUVLRQV 8QOHVVRWKHUZLVHVSHFLILHG7D ć Symbol Parameter Conditions Min. Typ. Max. Unit ,E )HHGEDFNELDVFXUUHQW $GMXVWDEOHRQO\9)% 9   Q$ ,4 4XLHVFHQWFXUUHQW 9)% 9IRUFHGULYHURII   P$ ,67%
LM2576S-5.0 价格&库存

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