S-1155 datasheet(17/28 Pages) SII

17 / 28 page

HIGH RIPPLE-REJECTION LOW DROPOUT HIGH OUTPUT CURRENT CMOS VOLTAGE REGULATOR

Rev.1.1_00

S-1155 Series

Seiko Instruments Inc.

Characteristics (Typical Data)

(1) Output Voltage vs. Output Current (when load current is increased) (Ta = 25

°C)

S-1155B10

S-1155B30

200

400

600

IOUT [mA]

0.6

0.4

0.8

1.0

800

0.2

1000

1.2

VIN = 1.5 V

3.0 V

5.5 V

2.0 V

200

400

600

IOUT [mA]

1.0

2.0

1.5

2.5

3.0

800

0.5

1000

3.5

4.0 V

5.5 V

VIN = 3.5 V

5.0 V

S-1155B50

200

400

600

IOUT [mA]

800

1000

5.5 V

VIN = 5.3 V

Remark

In determining the output current, attention

should be paid to the following.

The minimum value of output current

in Table 5 and footnote *5 in “ Electrical

Characteristics

”

Power dissipation of the package

(2) Output Voltage vs. Input Voltage (Ta = 25°C)

S-1155B10

S-1155B30

1.0

1.5

2.0

VIN [V]

0.5

1.1

0.5

0.8

0.7

0.9

1.0

2.5

3.0

0.6

IOUT = 1 mA

50 mA

100 mA

3.0

3.5

4.0

VIN [V]

2.5

3.1

2.6

2.8

2.7

2.9

3.0

4.5

5.0

2.5

IOUT = 1 mA

50 mA

100 mA

S-1155B50

4.7

4.9

5.1

VIN [V]

4.5

5.1

4.6

4.8

4.7

4.9

5.0

5.3

4.5

5.5

IOUT = 1 mA

100 mA

50 mA

S-1155 Datasheet(PDF) 17 Page - Seiko Instruments Inc

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