TPS78225DRVRG4 datasheet(7/20 Pages) TI

Part #	TPS78225DRVRG4

Description	150mA, Ultra-Low Quiescent Current, IQ 1mA Low-Dropout Linear Regulator

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Manufacturer	TI [Texas Instruments]

Direct Link	http://www.ti.com

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10

100

1k

10k

100k

Frequency(Hz)

100

10

1

0.1

0.01

0.001

150mA

109 V

m

RMS

50mA

109 V

m

RMS

1mA

108 V

m

RMS

10

10M

100

1k

10k

100k

1M

Frequency(Hz)

80

70

60

50

40

30

20

10

0

150mA

50mA

1mA

Time(20ms/div)

LoadCurrent

Enable

V

OUT

V

IN

V

=0.0Vto

IN

5.0V

V

=3.3V

OUT

I

=150mA

OUT

C

=10 F

m

OUT

0V

Time(20ms/div)

V

=5.5V

IN

V

=3.3V

OUT

I

=150mA

OUT

C

=10 F

m

OUT

V

IN

V

OUT

LoadCurrent

Enable

0V

Time(1ms/div)

LoadCurrent

V

=0.0Vto5.5V

IN

V

=2.2V

OUT

I

=100mA

OUT

C

=10 F

m

OUT

V

IN

V

OUT

0A

0V

Time(5ms/div)

Load

Current

V

=5.5V

IN

V

=3.3V

OUT

I

=0mAto10mA

OUT

C

=10 F

m

OUT

V

OUT

Enable

V

IN

0A

TPS782xx

www.ti.com ........................................................................................................................................... SBVS115A – AUGUST 2008 – REVISED SEPTEMBER 2008

TYPICAL CHARACTERISTICS (continued)

Over the operating temperature range of TJ = –40°C to +125°C, VIN = VOUT(TYP) + 0.5V or 2.2V, whichever is greater;

IOUT = 100µA, VEN = VIN, COUT = 1µF, and CIN = 1µF, unless otherwise noted.

OUTPUT SPECTRAL NOISE DENSITY vs FREQUENCY

RIPPLE REJECTION vs FREQUENCY

CIN = 1µF, COUT = 2.2µF, VIN = 3.2V

VIN = 4.2V, VOUT = 2.7V, COUT = 2.2µF

TPS78227

Figure 13.

Figure 14.

INPUT VOLTAGE RAMP vs OUTPUT VOLTAGE

OUTPUT VOLTAGE vs ENABLE (SLOW RAMP)

TPS78233

Figure 15.

Figure 16.

INPUT VOLTAGE vs DELAY TO OUTPUT

LOAD TRANSIENT RESPONSE

TPS78222

TPS78233

Figure 17.

Figure 18.

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TPS78225DRVRG4 Datasheet(PDF) 7 Page - Texas Instruments

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