TPS78225DDCR datasheet(8/29 Pages) TI1

Part #	TPS78225DDCR

Description	500-nA IQ,150-mA, Ultra-Low Quiescent Current Low-Dropout Linear Regulator

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Manufacturer	TI1 [Texas Instruments]

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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

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

-40 -25 -10

125

110

95

80

65

50

35

20

5

T

J ( C)

°

3

2

1

0

-1

-2

-3

150mA

0.1mA

5mA

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

TPS782

SBVS115D – AUGUST 2008 – REVISED JANUARY 2015

www.ti.com

Typical Characteristics (continued)

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

= 100

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

Figure 13. %

ΔVOUT vs Junction Temperature, VIN = 3.7 V,

Figure 14. Output Spectral Noise Density vs Frequency, CIN

TPS78227

= 1

μF, COUT = 2.2 μF, VIN = 3.2 V, TPS78227

Figure 16. Input Voltage Ramp vs Output Voltage,

TPS78233

Figure 15. Ripple Rejection vs Frequency, VIN = 4.2 V, VOUT

= 2.7 V, COUT = 2.2 μF, TPS78227

Figure 17. Output Voltage vs Enable (Slow Ramp),

Figure 18. Input Voltage vs Delay to Output, TPS78222

TPS78233

8

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