TPS74801DRCT datasheet(7/28 Pages) TI1

Part #	TPS74801DRCT

Description	1.5A Low-Dropout Linear Regulator with Programmable Soft-Start

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Manufacturer	TI1 [Texas Instruments]

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0.20

0.15

0.10

0.05

0

-

0.05

-

0.01

-

0.15

-

0.20

0

0.5

1.0

1.5

2.0

2.5

3.0

3.5

4.0

4.5

V

-

IN

OUT (V)

5.0

+125 C

°

+25 C

°

-

°

40 C

0.5

0.4

0.3

0.2

0.1

0

-

0.1

-

0.2

-

0.3

-

0.4

-

0.5

1.0

1.5

2.0

2.5

3.0

3.5

V

-

BIAS

OUT (V)

4.0

+125 C

°

+25 C

°

-

°

40 C

1.2

1.0

0.8

0.6

0.4

0.2

0

10

20

30

40

I

(mA)

OUT

50

0.5

0.4

0.3

0.2

0.1

0

-

0.1

-

0.2

-

0.3

-

0.4

-

0.5

0.05

0.5

1.0

I

(A)

OUT

1.5

+125 C

°

+25 C

°

-

°

40 C

100

90

80

70

60

50

40

30

20

10

0

0.5

1.0

I

(A)

OUT

1.5

+125 C

°

+25 C

°

-

°

40 C

200

180

160

140

120

100

80

60

40

20

0

1.0

1.5

2.0

2.5

3.0

3.5

4.0

V

BIAS -

V

OUT

(V)

4.5

+125 C

°

+25 C

°

-

°

40 C

I

=1.5A

OUT

TPS74801

www.ti.com

SBVS074J

– JANUARY 2007 – REVISED JANUARY 2012

TYPICAL CHARACTERISTICS

At TJ = +25°C, VIN = VOUT(TYP) + 0.3V, VBIAS = 5V, IOUT = 50mA, VEN = VIN, CIN = 1μF, CBIAS = 4.7μF, and COUT = 10μF,

unless otherwise noted.

VIN LINE REGULATION

VBIAS LINE REGULATION

Figure 3.

Figure 4.

LOAD REGULATION

Figure 5.

Figure 6.

VIN DROPOUT VOLTAGE vs

IOUT AND TEMPERATURE (TJ)

(VBIAS – VOUT) AND TEMPERATURE (TJ)

Figure 7.

Figure 8.

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