Rev.1.2
LOW DROPOUT CMOS VOLTAGE REGULATOR
S-818 Series
Pin Configuration
Please refer to the package drawings at the end of this document for details.
Table 2 Pin Assignment
Pin No.
Symbol
VIN
Description
5
4
1
2
3
4
5
Voltage input pin
GND pin
VSS
SOT-23-5
Top view
ON/OFF
NC Note
VOUT
Power off pin
No connection
Voltage output pin
1
2
3
Figure 2 SOT-23-5
Table 3 Pin Assignment
Pin No.
Symbol
VOUT
VSS
NC Note
ON/OFF
VIN
Description
1
2
3
4
5
Voltage output pin
GND pin
5
4
No connection
Power off pin
SOT-89-5
Top view
Voltage input pin
Note: NC means electrical open. Connecting
NC pin to VIN or VSS is allowed.
2
3
1
Figure 3 SOT-89-5
Absolute Maximum Ratings
Table 4 Absolute Maximum Ratings
(Ta=25°C unless otherwise specified)
Parameter
Symbol
Absolute Maximum Rating
12
Unit
V
Input voltage
VIN
VON / OFF
VOUT
VSS-0.3 to 12
V
Output voltage
VSS-0.3 to VIN+0.3
V
Power dissipation
PD
250 (SOT-23-5)
500 (SOT-89-5)
-40 to +85
mW
Operating temperature range
Storage temperature range
Tope
Tstg
°C
°C
-40 to +125
The IC has a protection circuit against static electricity. DO NOT apply high static electricity or high voltage
that exceeds the performance of the protection circuit to the IC.
Seiko Instruments Inc.
3
SII [ SEIKO INSTRUMENTS INC ]
