Rev.1.2

LOW DROPOUT CMOS VOLTAGE REGULATOR

S-818 Series

Seiko Instruments Inc.

3

„ Pin Configuration

Please refer to the package drawings at the end of this document for details.

Table 2 Pin Assignment

Table 3 Pin Assignment

Note

NC pin to VIN or VSS is allowed.

„ Absolute Maximum Ratings

Table 4 Absolute Maximum Ratings

(Ta=25

°C unless otherwise specified)

Parameter

Symbol

Absolute Maximum Rating

Unit

Input voltage

12

V

V

Output voltage

V

Power dissipation

250 (SOT-23-5)

500 (SOT-89-5)

mW

Operating temperature range

Tope

-40 to +85

°C

Storage temperature range

Tstg

-40 to +125

°C

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.

Pin No.

Symbol

Description

1VIN

Voltage input pin

2

VSS

GND pin

3

ON/OFF

Power off pin

4NC

Note

No connection

5

VOUT

Voltage output pin

Figure 2 SOT-23-5

13

2

4

5

SOT-23-5

Top view

Pin No.

Symbol

Description

1

VOUT

Voltage output pin

2

VSS

GND pin

3NC

Note

No connection

4

ON/OFF

Power off pin

5VIN

Voltage input pin

5

4

1

3

2

SOT-89-5

Top view

Figure 3 SOT-89-5