TPS74201RGWTG4 datasheet(8/26 Pages) TI

No. de pieza	TPS74201RGWTG4

Descripción Electrónicos	1.5A Ultra-LDO with Programmable Soft-Start

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Fabricante Electrónico	TI [Texas Instruments]

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10mV/div

1V/div

Time(50 s/div)

m

C

=1000 F

OUT

m

C

=100 F

OUT

m

C

=10 F

OUT

m

C

=0 F

OUT

m

1V/ s

m

10mV/div

500mV/div

Time(50 s/div)

m

C

=2x470 F(OSCON)

m

OUT

C

=100 F(Cer.)

OUT

m

C

=10 F(Cer.)

OUT

m

C

=0 F

OUT

m

1V/ s

m

1V/div

Time(1ms/div)

C

=0 F

SS

m

C

=0.001 F

SS

m

C

=0.0047 F

SS

m

V

OUT

V

EN

0V

1.2V

50mV/div

1A/div

Time(50 s/div)

m

C

=0 F

OUT

m

C

=10 F(Cer.)

OUT

m

C

=100 F(Cer.)

OUT

m

C

=2x470 F(OSCON)

OUT

m

1A/ s

m

1.5A

50mA

Time(20ms/div)

V

(500mV/div)

PG

V

OUT

V

=V

IN

BIAS

EN

2.85

2.65

2.45

2.25

2.05

1.85

1.65

1.45

1.25

0

0.5

1.0

I

(A)

OUT

1.5

+125 C

°

+25 C

°

-

°

40 C

TPS74201

SBVS064F – DECEMBER 2005 – REVISED OCTOBER 2007

TYPICAL CHARACTERISTICS (continued)

At TJ = +25°C, VOUT = 1.5V, VIN = VOUT(TYP) + 0.3V, VBIAS = 3.3V, IOUT = 50mA, EN = VIN, CIN = 1μF, CBIAS = 4.7μF, CSS =

0.01

μF, and COUT = 10μF, unless otherwise noted.

VBIAS LINE TRANSIENT (1.5A)

VIN LINE TRANSIENT

Figure 15.

Figure 16.

OUTPUT LOAD TRANSIENT RESPONSE

TURN-ON RESPONSE

Figure 17.

Figure 18.

POWER-UP/POWER-DOWN

IBIAS vs IOUT AND TEMPERATURE

Figure 19.

Figure 20.

8

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