TPS79401DCQ datasheet(6/15 Pages) TI

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TYPICAL CHARACTERISTICS

150

155

160

165

170

175

180

185

190

IOUT = 1 mA

VIN = 3.8 V,

COUT = 10 µF

TJ (°C)

IOUT = 250 mA

−40 −25 −10 5

20 35 50 65 80 95 110 125

3.250

3.255

3.260

3.265

3.270

3.275

3.280

3.285

3.290

100

200

250

IOUT (mA)

2.765

2.770

2.775

2.780

2.785

2.790

2.800

−40 −25 −10 5

20 35 50 65 80 95 110 125

TJ (°C)

2.795

IOUT = 1 mA

IOUT = 200 mA

VIN = 3.8 V

COUT = 10 µF

0.05

0.10

0.15

0.20

0.25

0.30

0.35

IOUT = 250 mA

IOUT = 1 mA

COUT = 10 µF,

CNR = 0.1 µF,

VIN = 3.8 V

Frequency (Hz)

100

1000

10000

100000

0.05

0.10

0.15

0.20

0.25

0.30

0.35

IOUT = 250 mA

IOUT = 1 mA

COUT = 2.2 µF,

CNR = 0.1 µF,

VIN = 3.8 V

Frequency (Hz)

100

1000

10000

100000

0.2

0.4

0.6

0.8

1.2

1.4

1.6

100

1000

10000

100000

COUT = 10 µF,

IOUT = 250 mA

VIN = 3.8 V

Frequency (Hz)

CNR = 0.1 µF

CNR = 0.01 µF

CNR = 0.0047 µF

CNR = 0.001 µF

1.0

1.8

0.001

0.0047

0.1

CNR (µF)

0.01

IOUT = 250 mA,

COUT = 10 µF

100

150

200

250

TJ (°C)

−40 −25 −10 5

20 35 50 65 80 95 110 125

IOUT = 1 mA

IOUT = 250 mA

VIN = 3.8 V,

COUT = 10 µF

0.100

0.020

100

1 k

10 k

100 k

1 M

10 M

IOUT = 1 mA

IOUT = 250 mA

VIN = 4.3 V,

COUT = 10 µF,

Frequency (Hz)

TPS79401, TPS79418

TPS79425, TPS79428

TPS79430, TPS79433

SLVS349D – NOVEMBER 2001 – REVISED OCTOBER 2004

TPS79433 OUTPUT VOLTAGE

TPS79428 OUTPUT VOLTAGE

TPS79428 GROUND CURRENT

OUTPUT CURRENT

JUNCTION TEMPERATURE

Figure 2.

Figure 3.

Figure 4.

TPS79428 OUTPUT SPECTRAL

NOISE DENSITY

FREQUENCY

Figure 5.

Figure 6.

Figure 7.

TPS79428 ROOT MEAN SQUARED

OUTPUT NOISE

TPS79433 OUTPUT IMPEDANCE

TPS79428 DROPOUT VOLTAGE

CNR

FREQUENCY

JUNCTION TEMPERATURE

Figure 8.

Figure 9.

Figure 10.

TPS79401DCQ Datasheet(PDF) 6 Page - Texas Instruments

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