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HIGH RIPPLE-REJECTION LOW DROPOUT CMOS VOLTAGE REGULATOR
Rev.5.0_00
S-1111/1121 Series
Seiko Instruments Inc.
7
Pin Configuration
Table 3
(S-1111 Series)
Pin No.
Symbol
Description
1
VIN
Input voltage pin
2
VSS
GND pin
3
ON/OFF
Shutdown pin
4
NC
*1
No connection
5
VOUT
Output voltage pin
*1. The NC pin is electrically open.
The NC pin can be connected to VIN or VSS.
Table 4
(S-1121 Series)
Pin No.
Symbol
Description
5
4
1
3
2
SOT-23-5
Top view
1
VOUT
Output voltage pin
2
VSS
GND pin
Figure 2
3
VIN
Input voltage pin
4
ON/OFF
Shutdown pin
5
NC
*1
No connection
*1. The NC pin is electrically open.
The NC pin can be connected to VIN or VSS.