R1121N_02 Datasheet, PDF (2/17 Pages) RICOH electronics devices division – LOW NOISE 150mA LDO REGULATOR

R1121N
BLOCK DIAGRAM
R1121Nxx1A
3
VDD
1
VOUT
3
VDD
R1121Nxx1B
1
VOUT
Vref
CE
Current Limit
4
GND
CE
2
4
Vref
Current Limit
GND
2
SELECTION GUIDE
7KH RXWSXW YROWDJH WKH DFWLYH W\SH WKH SDFNLQJ W\SH DQG WKH WDSLQJ W\SH IRU WKH ,&V FDQ EH VHOHFWHG DW WKH
XVHU V UHTXHVW
7KH VHOHFWLRQ FDQ EH PDGH E\ GHVLJQDWLQJ WKH SDUW QXPEHU DV VKRZQ EHORZ 
5[[[[[[
↑ ↑↑
D EF
←3DUW 1XPEHU
Code
D
E
F
Contents
6HWWLQJ 2XWSXW 9ROWDJH 9287 
6WHSZLVH VHWWLQJ ZLWK D VWHS RI 9 LQ WKH UDQJH RI 9 WR 9 LV SRVVLEOH
'HVLJQDWLRQ RI $FWLYH 7\SH 
$  DFWLYH ´/µ W\SH
%  DFWLYH ´+µ W\SH
'HVLJQDWLRQ RI 7DSLQJ 7\SH 
([ 75 7/ UHIHU WR 7DSLQJ 6SHFLILFDWLRQV 75 W\SH LV WKH VWDQGDUG GLUHFWLRQ
2