參數(shù)資料
型號(hào): R1221N38AC-TR-FA
廠商: RICOH COMPANY LTD
元件分類: 穩(wěn)壓器
英文描述: 0.025 A SWITCHING CONTROLLER, 360 kHz SWITCHING FREQ-MAX, PDSO6
封裝: SOT-23, 6 PIN
文件頁(yè)數(shù): 2/22頁(yè)
文件大?。?/td> 228K
代理商: R1221N38AC-TR-FA
R1221N
10
ZKHUHLQ7 IRVF WRQWRII
GXW\
WRQ7× WRQ×IRVF×
WRSHQ≤WRII
,Q (TXDWLRQ 9287×WRSHQ/ DQG 9,19287 ×WRQ/ UHVSHFWLYHO\ VKRZ WKH FKDQJH RI WKH FXUUHQW DW 21 DQG WKH
FKDQJHRIWKHFXUUHQWDW2))
:KHQ WKH RXWSXW FXUUHQW ,287 LV UHODWLYHO\ VPDOO WRSHQWRII DV LOOXVWUDWHG LQ WKH DERYH GLDJUDP ,Q WKLV FDVH WKH
HQHUJ\ LV FKDUJHG LQ WKH LQGXFWRU GXULQJ WKH WLPH SHULRG RI WRQ DQG LV GLVFKDUJHG LQ LWV HQWLUHO\ GXULQJ WKH WLPH SHULRG
RI WRII WKHUHIRUH ,/PLQ EHFRPHV WR ]HUR ,/PLQ :KHQ ,287 LV JUDGXDOO\ LQFUHDVHG HYHQWXDOO\ WRSHQ EHFRPHV WR
WRIIWRSHQ
WRIIDQG ZKHQ,287 LV IXUWKHU LQFUHDVHG ,/PLQ EHFRPHV ODUJHU WKDQ ]HUR ,/PLQ! 7KH IRUPHU PRGHLV
UHIHUUHG WRDVWKH GLVFRQWLQXRXV PRGHDQGWKHODWWHU PRGHLV UHIHUUHGWR DVFRQWLQXRXVPRGH
,QWKH FRQWLQXRXVPRGH ZKHQ(TXDWLRQLVVROYHG IRUWRQDQG DVVXPHG WKDWWKH VROXWLRQLVWRQF
WRQF 7×92879,1 (TXDWLRQ
:KHQWRQWRQFWKH PRGH LVWKH GLVFRQWLQXRXV PRGHDQG ZKHQWRQ
WRQFWKHPRGH LVWKHFRQWLQXRXV PRGH
Output Current and Selection of External Components
:KHQ/[7ULV21
:KHUHLQ 5LSSOH &XUUHQW 33 YDOXH LV GHVFULEHG DV ,53 21 UHVLVWDQFH RI /;7U LV GHVFULEHG DV 5S WKH GLUHFW FXUUHQW
UHVLVWDQFH RIWKH LQGXFWRULVGHVFULEHGDV 5/
9,1 9287 53 5/ ×,287 /×,53WRQ (TXDWLRQ
:KHQ/[7ULV2))
/×,53WRII 9) 9287 5/×,287 (TXDWLRQ
3XW(TXDWLRQWR(TXDWLRQDQG VROYHIRU21 GXW\ WRQWRIIWRQ '21
'21 9287 9) 5/×,287 9,1 9)5S×,287 (TXDWLRQ
5LSSOH&XUUHQWLVDVIROORZV
,53 9,1928753×,2875/×,287 ×'21I/ (TXDWLRQ
ZKHUHLQSHDNFXUUHQWWKDWIORZVWKURXJK / /[7U DQG 6' LVDVIROORZV
,/PD[ ,287 ,53 (TXDWLRQ
相關(guān)PDF資料
PDF描述
R1221N38AE-TR-FA 0.025 A SWITCHING CONTROLLER, 360 kHz SWITCHING FREQ-MAX, PDSO6
R1221N27AC-TR-FA 0.025 A SWITCHING CONTROLLER, 360 kHz SWITCHING FREQ-MAX, PDSO6
R1221N21XB-TR SWITCHING CONTROLLER, PDSO6
R1221N24XD-TR SWITCHING CONTROLLER, PDSO6
R1221N28XB-TR SWITCHING CONTROLLER, PDSO6
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
R1221N38AD 制造商:RICOH 制造商全稱:RICOH electronics devices division 功能描述:Voltage-Mode SMPS Controller
R1221N38AD-TR 制造商:RICOH 制造商全稱:RICOH electronics devices division 功能描述:Voltage-Mode SMPS Controller
R1221N38AE 制造商:RICOH 制造商全稱:RICOH electronics devices division 功能描述:Voltage-Mode SMPS Controller
R1221N38AE-TR 制造商:RICOH 制造商全稱:RICOH electronics devices division 功能描述:Voltage-Mode SMPS Controller
R1221N38AF 制造商:RICOH 制造商全稱:RICOH electronics devices division 功能描述:Voltage-Mode SMPS Controller