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Datasheet: R1112N201B (RICOH electronics devices division)

LOW NOISE 150mA LDO REGULATOR

 

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RICOH electronics devices division
NO. EA-059-0006
/2:#12,6(#483P$#/'2
5(*8/$725
544451#6(5,(6
$33/,&$7,21#0$18$/
LOW NOISE 150mA LDO REGULATOR
544451#6(5,(6
1
OUTLINE
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UHIHUHQFH#XQLW/#DQ#HUURU#DPSOLILHU/#UHVLVWRUV/#D#FXUUHQW#OLPLW#FLUFXLW/#DQG#D#FKLS#HQDEOH#FLUFXLW1
7KHVH#,&V#SHUIRUP#ZLWK#ORZ#GURSRXW#YROWDJH#DQG#D#FKLS#HQDEOH#IXQFWLRQ1#7KH#OLQH#WUDQVLHQW#UHVSRQVH#DQG#ORDG#WUDQ0
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PROG,#SDFNDJH#/#KLJK#GHQVLW\#PRXQWLQJ#RI#WKH#,&V#RQ#ERDUGV#LV#SRVVLEOH1
FEATURES
8OWUD0/RZ#6XSSO\#&XUUHQW 11111111111111111111111111111111111111111111111111 7<31#433
$
6WDQGE\#0RGH#&XUUHQW11111111111111111111111111111111111111111111111111111111 7<31#314
$
/RZ#'URSRXW#9ROWDJH 1111111111111111111111111111111111111111111111111111111111 7<31#314<9#+,
287
433P$#6139#2XWSXW#W\SH,
+LJK#5LSSOH#5HMHFWLRQ 111111111111111111111111111111111111111111111111111111111 7<31#;3G%+I 4N+],
/RZ#7HPSHUDWXUH0'ULIW#&RHIILFLHQW#RI#2XWSXW#9ROWDJH#7<31#"433SSP2
&
([FHOOHQW#/LQH#5HJXODWLRQ111111111111111111111111111111111111111111111111111 7<31#3138(29
+LJK#2XWSXW#9ROWDJH#$FFXUDF\ 1111111111111111111111111111111111111111111 "513(
([FHOOHQW#'\QDPLF#5HVSRQVH
6PDOO#3DFNDJH#111111111111111111111111111111111111111111111111111111111111111111111 62705608#+0LQL0PROG,
2XWSXW#9ROWDJH111111111111111111111111111111111111111111111111111111111111111111111 6WHSZLVH#VHWWLQJ#ZLWK#D#VWHS#RI#3149#LQ#WKH#UDQJH#RI#4189#WR
8139#LV#SRVVLEOH
%XLOW0LQ#FKLS#HQDEOH#FLUFXLW#+5#W\SHV>#$=#DFWLYH#ORZ/#%=#DFWLYH#KLJK,
3LQ0RXW1111111111111111111111111111111111111111111111111111111111111111111111111111111111 6LPLODU#WR#WKH#/35<;32/35<;8
%XLOW0LQ#IROG0EDFN#SURWHFWLRQ#FLUFXLW111111111111111111111111111111111111 7<31#63P$#+&XUUHQW#DW#VKRUW#PRGH,
&HUDPLF#FDSDFLWRUV#UHFRPPHQGHG#WR#EH#XVHG#ZLWK#WKLV#,&
APPLICATIONS
3RZHU#VRXUFH#IRU#FHOOXODU#SKRQHV#VXFK#DV#*60/#&'0$#DQG#YDULRXV#NLQG#RI#3&6V1
3RZHU#VRXUFH#IRU#HOHFWULFDO#DSSOLDQFHV#VXFK#DV#FDPHUDV/#9&5V#DQG#FDPFRUGHUV1
3RZHU#VRXUFH#IRU#EDWWHU\0SRZHUHG#HTXLSPHQW1
R1112N
2
BLOCK DIAGRAM
R1112NXX1A
R1112NXX1B
Vref
Current Limit
V
DD
1
5
2
3
V
OUT
GND
CE
Vref
Current Limit
V
DD
1
5
2
3
V
OUT
GND
CE
SELECTION GUIDE
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UHTXHVW1#7KH#VHOHFWLRQ#FDQ#EH#PDGH#E\#GHVLJQDWLQJ#WKH#SDUW#QXPEHU#DV#VKRZQ#EHORZ=
54445;;;4;0;;
3DUW#1XPEHU
D E F G
Code
Contents
D
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1=#62705608#+0LQL0PROG,
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F
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R1112N
3
PIN CONFIGURATION
SOT-23-5
5
4
V
OUT
NC
(mark side)
1
2
3
V
DD
GND
CE
PIN DESCRIPTION
Pin No.
Symbol
Description
4
9
''
,QSXW#3LQ
5
*1'
*URXQG#3LQ
6
&( #RU#&(
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7
1&
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8
9
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2XWSXW#SLQ
R1112N
4
ABSOLUTE MAXIMUM RATINGS
Symbol
Item
Rating
Unit
9
,1
,QSXW#9ROWDJH
:13
9
9
&(
,QSXW#9ROWDJH+ &( #RU#&(#3LQ,
0316#a#9
,1
.316
9
9
287
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9
,
287
2XWSXW#&XUUHQW
533
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3
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ELECTRICAL CHARACTERISTICS
R1112NXX1A
7RSW 58
&
Symbol
Item
Conditions
MIN.
TYP.
MAX.
Unit
9
287
2XWSXW#9ROWDJH
9
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287
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