Rev.1.2
Pin Configuration
LOW DROPOUT CMOS VOLTAGE REGULATOR
S-818 Series
Please refer to the package drawings at the end of this document for details.
Table 2 Pin Assignment
5
4
Pin No.
1
2
3
4
Symbol
VIN
VSS
ON/OFF
NC
Note
Description
Voltage input pin
GND pin
Power off pin
No connection
Voltage output pin
SOT-23-5
Top view
1
2
3
5
VOUT
Figure 2 SOT-23-5
Table 3 Pin Assignment
Pin No.
5
4
Symbol
VOUT
VSS
NC
Note
Description
Voltage output pin
GND pin
No connection
Power off pin
Voltage input pin
1
2
3
4
5
SOT-89-5
Top view
ON/OFF
VIN
1
2
3
Note
:
NC means electrical open. Connecting
NC pin to VIN or VSS is allowed.
Figure 3 SOT-89-5
Absolute Maximum Ratings
Table 4 Absolute Maximum Ratings
(Ta=25°C unless otherwise specified)
Symbol
Absolute Maximum Rating
Unit
V
IN
V
ON / OFF
V
OUT
P
D
Tope
Tstg
12
V
SS
-0.3 to 12
V
SS
-0.3 to V
IN
+0.3
250 (SOT-23-5)
500 (SOT-89-5)
-40 to +85
-40 to +125
V
V
V
mW
°C
°C
Parameter
Input voltage
Output voltage
Power dissipation
Operating temperature range
Storage temperature range
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 ]
