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