S1135 datasheet(29/48 Pages) SII

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

Rev.2.2_00

S-1135 Series

Seiko Instruments Inc.



Reference Data

1. Transient Response Characteristics when Input (Ta = 25°C)

VOUT = 1.0 V

IOUT = 100 mA, tr = tf = 5.0

μs, CL = 1.0 μF

VOUT = 2.5 V

IOUT = 100 mA, tr = tf = 5.0

μs, CL = 1.0 μF

1.30

1.25

1.20

1.15

1.10

1.05

1.00

0.95

0.90

t [

μs]

4.0

3.0

2.5

2.0

0.5

1.0

1.5

3.5

−50

200

300

0 50 100 150

250

350

−100

VOUT

VIN

2.80

2.75

2.70

2.65

2.60

2.55

2.50

2.45

2.40

t [

μs]

5.0

4.0

3.5

3.0

1.0

1.5

2.0

2.5

4.5

−50

200

300

0 50 100 150

250

350

−100

VOUT

VIN

VOUT = 3.5 V

IOUT = 100 mA, tr = tf = 5.0

μs, CL = 1.0 μF

3.80

3.75

3.70

3.65

3.60

3.55

3.50

3.45

3.40

t [

μs]

6.0

5.0

4.5

4.0

2.0

2.5

3.0

3.5

5.5

−50

200

300

0 50 100 150

250

350

−100

VOUT

VIN

2. Transient Response Characteristics of Load (Ta = 25°C)

VOUT = 1.0 V

VIN = 2.0 V, CL = 1.0

μF, CIN = 1.0 μF, IOUT = 50 mA ↔ 100 mA

VOUT = 2.5 V

VIN = 3.5 V, CL = 1.0

μF, CIN = 1.0 μF, IOUT = 50 mA ↔ 100 mA

1.20

1.15

1.05

1.00

0.95

0.90

t [

μs]

100

150

−150

−50

200

300

0 50 100 150

250

350

−100

1.10

VOUT

IOUT

2.70

2.65

2.55

2.50

2.45

2.40

t [

μs]

100

150

−150

−50

200

300

0 50 100 150

250

350

−100

2.60

VOUT

IOUT

VOUT = 3.5 V

VIN = 4.5 V, CL = 1.0

μF, CIN = 1.0 μF, IOUT = 50 mA ↔ 100 mA

3.70

3.65

3.55

3.50

3.45

3.40

t [

μs]

100

150

−150

−50

200

300

0 50 100 150

250

350

−100

3.60

VOUT

IOUT

S1135 Datasheet(PDF) 29 Page - Seiko Instruments Inc

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