HIGH RIPPLE-REJECTION AND LOW DROPOUT MIDDLE-OUTPUT CURRENT CMOS VOLTAGE REGULATOR
Rev.2.1_00
S-1133 Series
Pin Configurations
Table 2
SOT-89-5
Top view
Pin No.
1
Symbol
VADJ
Description
Output voltage adjustment pin
(S-1133B00/S-1133A00 only)
No connection
5
4
NC*1
(S-1133x12 to S-1133x60)
GND pin
Shutdown pin
2
3
4
5
VSS
ON/OFF
VIN
Voltage input pin
VOUT
Voltage output pin
*1. The NC pin is electrically open.
1
2
3
The NC pin can be connected to VIN or VSS.
Figure 3
Table 3
SNT-8A
Top view
Pin No.
Pin Name
VOUT*1
VOUT*1
Functions
Voltage output pin
Voltage output pin
1
2
8
7
6
5
1
2
3
4
No connection
NC*2
(S-1133x12 to S-1133x60)
Output voltage adjustment pin
(S-1133B00/S-1133A00 only)
No connection
3
VADJ
4
5
6
7
8
NC*2
VSS
GND pin
Figure 4
ON/OFF
VIN*3
Shutdown pin
Voltage input pin
Voltage input pin
VIN*3
*1. Although pins of number 1 and 2 are connected internally, be
sure to short-circuit them nearest in use.
*2. The NC pin is electrically open.
The NC pin can be connected to VIN or VSS.
*3. Although pins of number 7 and 8 are connected internally, be
sure to short-circuit them nearest in use.
6
Seiko Instruments Inc.
SII [ SEIKO INSTRUMENTS INC ]
