TPS7A4201 datasheet(7/19 Pages) TI1

Part #	TPS7A4201

Description	28-V Input Voltage, 50-mA Voltage Regulator

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Manufacturer	TI1 [Texas Instruments]

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0

0.25

0.5

0.75

1

1.25

1.5

1.75

2

0

10

20

30

40

50

Output Current (mA)

− 40°C

+ 25°C

+ 85°C

+ 105°C

+ 125°C

0

0.5

1

1.5

2

2.5

−40 −25 −10

5

20

35

50

65

80

95

110 125

ON−TO−OFF

OFF−TO−ON

Temperature (°C)

0.001

0.01

0.1

1

10

100

1k

10k

100k

1M

10M

Frequency (Hz)

IOUT = 100µA,VNOISE = 60µVRMS

IOUT = 50mA,VNOISE = 100µVRMS

VIN = 12V

VOUT = VREF

COUT = 10µF

CBYP = 10nF

0

40

80

120

160

200

6

9

12

15

18

21

24

Input Voltage (V)

− 40°C

+ 25°C

+ 85°C

+ 105°C

+ 125°C

0

10

20

30

40

50

60

70

80

90

100

10

100

1k

10k

100k

1M

10M

Frequency (Hz)

IOUT = 50mA

IOUT = 100µA

VIN = 12V

VOUT = 5V

COUT = 10µF

CBYP = 10nF

TPS7A42

www.ti.com

SBVS184

– DECEMBER 2011

TYPICAL CHARACTERISTICS (continued)

At TJ = –40°C to +125°C, VIN = VOUT(NOM) + 2.0 V or VIN = 9.0 V (whichever is greater), VEN = VIN, IOUT = 100 µA, CIN = 1 μF,

COUT = 4.7 μF, and FB tied to OUT, unless otherwise noted.

DROPOUT VOLTAGE

ENABLE THRESHOLD VOLTAGE

Figure 7.

Figure 8.

OUTPUT SPECTRAL NOISE DENSITY

CURRENT LIMIT

Figure 9.

Figure 10.

POWER-SUPPLY REJECTION RATIO

Figure 11.

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