TPS79101DBVR datasheet(6/15 Pages) TI

6 / 15 page

TPS79101, TPS79118

TPS79133,TPS79147

SLVS325C − MARCH 2001 − REVISED MAY 2002

www.ti.com

TYPICAL CHARACTERISTICS

Figure 1

1.797

1.798

1.799

1.8

1.801

1.802

1.803

100

IO − Output Current − mA

TPS79118

OUTPUT VOLTAGE

OUTPUT CURRENT

VI = 2.8 V

Co = 10 µF

TJ = 25° C

Figure 2

3.297

3.298

3.299

3.3

3.301

3.302

3.303

100

IO − Output Current − mA

TPS79133

OUTPUT VOLTAGE

OUTPUT CURRENT

VI = 4.3 V

Co = 10 µF

TJ = 25° C

Figure 3

1.78

1.785

1.79

1.795

1.8

1.805

1.81

1.815

1.82

−40 −25 −10 5

20 35 50 65 80 95 110 125

TJ − Junction Temperature − °C

TPS79118

OUTPUT VOLTAGE

JUNCTION TEMPERATURE

IO = 1 mA

VI = 2.8 V

Co = 10 µF

IO = 100 mA

Figure 4

3.27

3.28

3.29

3.3

3.31

3.32

−40 −25 −10 5

20 35 50 65 80 95 110 125

TJ − Junction Temperature − °C

TPS79133

OUTPUT VOLTAGE

JUNCTION TEMPERATURE

IO = 100 mA

IO = 1 mA

VI = 4.3 V

Co = 10 µF

Figure 5

100

120

140

160

180

200

220

240

260

−40 −25 −10 5

20 35 50 65 80 95 110 125

TJ − Junction Temperature − °C

TPS79133

GROUND CURRENT

JUNCTION TEMPERATURE

VI = 4.3 V

Co = 10 µF

IO = 1 mA

IO = 100 mA

Figure 6

100

1 k

10 k

100 k

IO = 1 mA

VI = 2.8 V

Co = 1 µF

C(byp) = 0.1 µF

IO = 100 mA

f − Frequency − Hz

TPS79118

OUTPUT SPECTRAL NOISE DENSITY

FREQUENCY

0.02

0.04

0.06

0.08

0.1

0.12

0.14

0.16

0.18

0.2

Figure 7

100

1 k

10 k

100 k

IO = 1 mA

VI = 2.8 V

Co = 10 µF

C(byp) = 0.1 µF

IO = 100 mA

f − Frequency − Hz

TPS79118

OUTPUT SPECTRAL NOISE DENSITY

FREQUENCY

0.05

0.1

0.15

0.2

0.25

Figure 8

100

1 k

10 k

100 k

IO = 0.1 µF

VI = 2.8 V

IO = 100 mA

Co = 10 µF

IO = 0.01 µF

f − Frequency − Hz

TPS79118

OUTPUT SPECTRAL NOISE DENSITY

FREQUENCY

IO = 0.001 µF

0.2

0.4

0.6

0.8

1.2

IO = 0.0047 µF

Figure 9

0.05

0.1

0.15

0.2

0.25

0.3

0.35

0.4

100

1 k

10 k

100 k

IO = 1 mA

VI = 4.3 V

Co = 1 µF

C(byp) = 0.1 µF

IO = 100 mA

f − Frequency − Hz

TPS79133

OUTPUT SPECTRAL NOISE DENSITY

FREQUENCY

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