參數(shù)資料
型號: R5426N109EA-TR-FB
廠商: RICOH COMPANY LTD
元件分類: 電源管理
英文描述: 1-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO6
封裝: SOT-23, 6 PIN
文件頁數(shù): 23/24頁
文件大?。?/td> 251K
代理商: R5426N109EA-TR-FB
R5426xxxxx
8
% 9HUVLRQ ZKHQ WKH 9'' SLQ YROWDJH LV HTXDO RU ORZHU WKDQ FKDUJH LQKLELWRU\ PD[LPXP YROWDJH 9QRFKJ HYHQ D
FKDUJHULVFRQQHFWHGWRDEDWWHU\ SDFN&287 SLQLVVWDFNHGDW/DQGFKDUJHFXUUHQWFDQQRWIORZ
$Q RXWSXW GHOD\ WLPH IRU RYHUGLVFKDUJH GHWHFWLRQ LV IL[HG LQWHUQDOO\ :KHQ WKH 9'' OHYHO LV GRZQ WR D ORZHU OHYHO
WKDQ 9'(7 LI WKH 9'' YROWDJH ZRXOG EH EDFN WR D OHYHO KLJKHU WKDQ WKH 9'(7 ZLWKLQ D WLPH SHULRG RI WKH RXWSXW GHOD\
WLPH 9' ZRXOG QRW RXWSXW D VLJQDO IRU WXUQLQJ RII WKHGLVFKDUJH FRQWURO )(7 2XWSXW GHOD\ WLPH IRU UHOHDVHIURP RYHU
GLVFKDUJHLV DOVRVHWW\SLFDOO\DWPV
$IWHUGHWHFWLQJ RIRYHUGLVFKDUJH E\9'VXSSO\FXUUHQW ZRXOGEH UHGXFHGWR PD[LPXP $ DW 9'' 9 DQG EH
LQWRVWDQGE\ E\ KDOWLQJDOOFLUFXLWVDQG FRQVXPSWLRQ FXUUHQWRI,& LWVHOILVPLQLPL]HG
7KHRXWSXW W\SHRI'287 SLQLV&026 KDYLQJ+OHYHORI9'' DQG/ OHYHORI966
VD3 /Excess discharge-current Detector, Short Circuit Protector
%RWK RI WKH H[FHVV FXUUHQW GHWHFWRU DQG VKRUW FLUFXLW SURWHFWLRQ FDQ ZRUN ZKHQ WKH ERWK RI FRQWURO )(7V DUH LQ
21VWDWH
:KHQ WKH 9 SLQ YROWDJH LV XS WR D YDOXH EHWZHHQ WKH VKRUW SURWHFWLRQ YROWDJH 9VKRUW 9'' DQG H[FHVV GLVFKDUJH
FXUUHQW WKUHVKROG 9'(7 7\SLFDOO\ 9''9 9' RSHUDWHV DQG IXUWKHU VRDULQJ RI 9SLQ YROWDJH KLJKHU WKDQ 9VKRUW
PDNHV WKH VKRUW FLUFXLW SURWHFWRU HQDEOHG 7KLV OHDGV WKH H[WHUQDO GLVFKDUJH FRQWURO 1FK 026)(7 WXUQV RII ZLWK WKH
'287 SLQ EHLQJ DW/OHYHO
$Q RXWSXW GHOD\WLPH IRUWKHH[FHVVGLVFKDUJHFXUUHQW GHWHFWRULVLQWHUQDOO\IL[HG
$ TXLFN UHFRYHU\ RI 9 SLQ OHYHO IURP D YDOXH EHWZHHQ 9VKRUW DQG 9'(7 ZLWKLQ WKH GHOD\ WLPH NHHSV WKH GLVFKDUJH
FRQWURO )(7 VWD\LQJ + VWDWH 2XWSXW GHOD\ WLPH IRU 5HOHDVH IURP H[FHVV GLVFKDUJHFXUUHQW GHWHFWLRQ LV DOVR VHW DW
W\SLFDOO\PV
:KHQWKHVKRUW FLUFXLWSURWHFWRULV HQDEOHGWKH'287 ZRXOGEH/DQGLWVGHOD\WLPHZRXOGEHW\SLFDOO\V
7KH9 SLQKDVD EXLOWLQ SXOOHG GRZQUHVLVWRU W\SLFDOO\ N ZLWKFRQQHFWLQJWRWKH966 SLQ
$IWHU DQ H[FHVVGLVFKDUJHFXUUHQW RU VKRUW FLUFXLW SURWHFWLRQ LVGHWHFWHG UHPRYLQJD FDXVH RI H[FHVV GLVFKDUJHFXUUHQW
RU H[WHUQDO VKRUW FLUFXLW PDNHV DQ H[WHUQDO GLVFKDUJH FRQWURO )(7 WR DQ 21 VWDWH DXWRPDWLFDOO\ ZLWK WKH 9 SLQ OHYHO
EHLQJ GRZQ WR WKH 966 OHYHO WKURXJK EXLOWLQ SXOOHG GRZQ UHVLVWRU 7KH UHVHW UHVLVWRU RI H[FHVV GLVFKDUJHFXUUHQW LV RII
DWQRUPDOVWDWH 2QO\ ZKHQ GHWHFWLQJ H[FHVV GLVFKDUJHFXUUHQWRUVKRUW FLUFXLWWKH UHVLVWRULVRQ
2XWSXW GHOD\ WLPH RI H[FHVV GLVFKDUJHFXUUHQW LV VHW VKRUWHU WKDQ WKH GHOD\ WLPH IRU RYHUGLVFKDUJH GHWHFWRU
7KHUHIRUH LI 9'' YROWDJH ZRXOG EH ORZHU WKDQ 9'(7 DW WKH VDPH WLPH DV WKH H[FHVV GLVFKDUJHFXUUHQW LV GHWHFWHG WKH
5[[[[[[ LV DW H[FHVV GLVFKDUJHFXUUHQW GHWHFWLRQ PRGH %\ GLVFRQQHFWLQJ D ORDG 9' LV DXWRPDWLFDOO\ UHOHDVHG
IURPH[FHVV GLVFKDUJHFXUUHQW
VD4/ Excess charge-current detector
:KHQ WKH EDWWHU\ SDFN LV FKDUJHDEOH DQG GLVFKDUJH LV DOVR SRVVLEOH 9' VHQVHV 9 SLQ YROWDJH )RU H[DPSOH LI WKH
EDWWHU\ SDFN LV FKDUJHG E\ DQ LQDSSURSULDWH FKDUJHU H[FHVV FXUUHQW IORZV WKHQ WKH YROWDJH RI 9 SLQ EHFRPHV HTXDO RU
OHVV WKDQ H[FHVV FKDUJHFXUUHQW GHWHFWRU WKUHVKROG 7KHQ WKH RXWSXW RI &287 EHFRPHV / DQG SUHYHQWV IURP IORZLQJ
H[FHVVFXUUHQW LQWKHFLUFXLW E\WXUQLQJRIIWKHH[WHUQDO 1FK026)(7
2XWSXW GHOD\ RI H[FHVV FKDUJH FXUUHQW LV LQWHUQDOO\ IL[HG (YHQ WKH YROWDJH OHYHO RI 9SLQ EHFRPHV HTXDO RU ORZHU
WKDQ H[FHVV FKDUJHFXUUHQW GHWHFWRU WKUHVKROG WKH YROWDJH LV KLJKHU WKDQ WKH 9' WKUHVKROG ZLWKLQ WKH GHOD\ WLPH H[
FHVVFKDUJHFXUUHQWVWDWH LVQRWGHWHFWHG
9'FDQEH UHOHDVHGE\ GLVFRQQHFWLQJ DFKDUJHU DQGVHWWLQJDORDG
相關(guān)PDF資料
PDF描述
R5426N102AA-TR-FA 1-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO6
R5426D119FA-TR 1-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO6
R5426D105CA-TR-FB 1-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO6
R5426D113CA-TR-FB 1-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO6
R5426D120CA-TR-FB 1-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO6
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
R542Y 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Optoelectronic
R-543.3DA 功能描述:DC/DC轉(zhuǎn)換器 DC/DC REG 4.5-18Vin 1.6-5.5out RoHS:否 制造商:Murata 產(chǎn)品: 輸出功率: 輸入電壓范圍:3.6 V to 5.5 V 輸入電壓(標(biāo)稱): 輸出端數(shù)量:1 輸出電壓(通道 1):3.3 V 輸出電流(通道 1):600 mA 輸出電壓(通道 2): 輸出電流(通道 2): 安裝風(fēng)格:SMD/SMT 封裝 / 箱體尺寸:
R-543.3PA 功能描述:DC/DC轉(zhuǎn)換器 DC/DC REG 4.5-18Vin 1.6-5.5out RoHS:否 制造商:Murata 產(chǎn)品: 輸出功率: 輸入電壓范圍:3.6 V to 5.5 V 輸入電壓(標(biāo)稱): 輸出端數(shù)量:1 輸出電壓(通道 1):3.3 V 輸出電流(通道 1):600 mA 輸出電壓(通道 2): 輸出電流(通道 2): 安裝風(fēng)格:SMD/SMT 封裝 / 箱體尺寸:
R543-000-000 功能描述:罩類、盒類及殼類產(chǎn)品 P.C.B. SUPPORTS RoHS:否 制造商:Bud Industries 產(chǎn)品:Boxes 外部深度:6.35 mm 外部寬度:6.35 mm 外部高度:2.56 mm NEMA 額定值: IP 等級: 材料:Acrylonitrile Butadiene Styrene (ABS) 顏色:Red
R543-000-001 功能描述:罩類、盒類及殼類產(chǎn)品 PCB SUPPORTS RoHS:否 制造商:Bud Industries 產(chǎn)品:Boxes 外部深度:6.35 mm 外部寬度:6.35 mm 外部高度:2.56 mm NEMA 額定值: IP 等級: 材料:Acrylonitrile Butadiene Styrene (ABS) 顏色:Red