HIGH RIPPLE-REJECTION LOW DROPOUT CMOS VOLTAGE REGULATOR
S-1111/1121 Series
Rev.4.1_00
Pin Configuration
Table 3
SOT-23-5
Top view
(S-1111 Series)
Description
Input voltage pin
GND pin
Shutdown pin
No connection
Output voltage pin
Pin No.
Symbol
VIN
VSS
5
4
1
2
3
4
5
ON/OFF
NC*1
VOUT
*1. The NC pin is electrically open.
The NC pin can be connected to VIN or VSS.
1
2
3
Table 4
(S-1121 Series)
Description
Output voltage pin
GND pin
Input voltage pin
Shutdown pin
No connection
Pin No.
Symbol
VOUT
VSS
1
2
3
4
5
Figure 2
VIN
ON/OFF
NC*1
*1. The NC pin is electrically open.
The NC pin can be connected to VIN or VSS.
7
Seiko Instruments Inc.
SII [ SEIKO INSTRUMENTS INC ]
