TPS73515DRBR datasheet(8/27 Pages) TI1

Part #	TPS73515DRBR

Description	500mA, Low Quiescent Current, Ultra-Low Noise, High PSRR Low-Dropout Linear Regulator

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Manufacturer	TI1 [Texas Instruments]

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10

100

1k

10k

100k

1M

10M

Frequency(Hz)

90

80

70

60

50

40

30

20

10

0

C

=2.2 F

OUT

m

C

=0.01 F

NR

m

I

=200mA

OUT

I

=

100mA

OUT

I

=

500mA

OUT

I

=250mA

OUT

I

=1mA

OUT

10

100

1k

10k

100k

1M

10M

Frequency(Hz)

90

80

70

60

50

40

30

20

10

0

C

=10 F

OUT

m

C

=0.01 F

NR

m

I

=200mA

OUT

I

=

100mA

OUT

I

=

500mA

OUT

I

=

200mA

OUT

I

=1mA

OUT

30

25

20

15

10

5

0

5

10

15

20

25

C

( F)

m

OUT

I

=1mA

C

=0.01 F

OUT

NR

m

140

120

100

80

60

40

20

0

0.01

0.1

1

10

C

(nF)

NR

I

=1mA

C

=2.2 F

OUT

m

TPS735xx

SBVS087J

– JUNE 2008 – REVISED MAY 2011

www.ti.com

TYPICAL CHARACTERISTICS (continued)

Over operating temperature range (TJ= –40°C to +125°C), VIN = VOUT(TYP) + 0.5V or 2.7V, whichever is greater; IOUT = 1mA,

VEN = VIN,COUT = 2.2μF, CNR = 0.01μF, unless otherwise noted. For TPS73501, VOUT = 2.8V. The TPS73525 is used as the

evaluation target of the fixed-voltage option in this datasheet. However, this voltage option may not be released. Check the

Package Option Addendum at the end of this document for the availability of the 2.5V version.Typical values are at TJ =

+25

°C.

POWER-SUPPLY RIPPLE REJECTION vs FREQUENCY

(VIN – VOUT = 0.5V)

(VIN – VOUT = 0.3V)

Figure 11.

Figure 12.

TPS73525

TOTAL NOISE vs CNR

TOTAL NOISE vs COUT

Figure 13.

Figure 14.

8

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