TPS74201KTWT datasheet(10/34 Pages) TI1

Part #	TPS74201KTWT

Description	Ultra-LDO With Programmable Soft-Start

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Manufacturer	TI1 [Texas Instruments]

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Time(20 s/div)

m

V

OUT

50mV/div

I

OUT

500mA/div

OutputOpen

OutputShorted

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

Time(20ms/div)

V

(500mV/div)

PG

V

OUT

V

=V

IN

BIAS

EN

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

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

TPS74201

SBVS064M – DECEMBER 2005 – REVISED OCTOBER 2015

www.ti.com

Typical Characteristics (continued)

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

0.01

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

Figure 19. VIN Line Transient

Figure 20. Output Load Transient Response

Figure 21. Turnon Response

Figure 22. Power Up and Power Down

Figure 23. Output Short Circuit Recovery

10

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