TPS74801DRCR datasheet(6/19 Pages) TI

No. de pieza	TPS74801DRCR

Descripción Electrónicos	1.5A LDO Linear Regulator with Programmable Soft-Start

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Fabricante Electrónico	TI [Texas Instruments]

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TYPICAL CHARACTERISTICS

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

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 - VOUT (V)

4.5

+125 C

°

+25 C

°

-

°

40 C

I

=1.5A

OUT

TPS74801

SBVS074 – JANUARY 2007

At T

J = +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.

6

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