HIGH RIPPLE-REJECTION LOW DROPOUT CMOS VOLTAGE REGULATOR

S-T111 Series

Seiko Instruments Inc.

5



Pin Configuration

5

4

1

3

2

SOT-23-5

Top view

Table 2

Pin No.

Symbol

Description

1

ON/OFF

ON/OFF pin

2

VSS

GND pin

3

NC

*1

No connection

4

VOUT

Output voltage pin

5

VIN

Input voltage pin

*1. The NC pin is electrically open.

The NC pin can be connected to VIN pin or VSS pin.

Figure 2



Absolute Maximum Ratings

Table 3

(Ta

= 25°C unless otherwise specified)

Item

Symbol

Absolute Maximum Rating

Unit

Input voltage

V

V

Output voltage

V

Power dissipation

300 (When not mounted on board)

mW

600

*1

mW

Operation ambient temperature

−40 to +85

°C

Storage temperature

−40 to +125

°C

*1. When mounted on board

[Mounted board]

(1) Board size :

114.3 mm

× 76.2 mm × t1.6 mm

(2) Board name : JEDEC STANDARD51-7

Caution The absolute maximum ratings are rated values exceeding which the product could suffer

physical damage. These values must therefore not be exceeded under any conditions.

0

50

100

150

600

400

0

Ambient Temperature (Ta) [

°C]

200

100

300

500

700

Figure 3 Power Dissipation of Package (When Mounted on Board)