2.2

2.7

3.2

3.7

4.2

4.7

1.5

2

2.5

3

3.5

4

4.5

5

TJ = 125°C

TJ = –40°C

TJ = 25°C

VOUT – Output Voltage – V

5.2

0

10

20

30

40

50

60

70

80

90

100

1k

10k

100k

1M

10M

f – Frequency – Hz

IOUT = 100 mA

IOUT = 1 mA

0

10

20

30

40

50

60

70

80

90

100

0

0.02

0.04

0.06

0.08

0.1

TJ = 125°C

TJ = 25°C

TJ = –40°C

IOUT – Output Current – A

0

20

40

60

80

100

120

2.5

3

3.5

4

4.5

5

TJ = 125°C

TJ = 25°C

TJ = –40°C

VIN – Input Voltage – V

100

10M

10

1k

f – Frequency – Hz

10k

100k

IOUT = 100 mA

IOUT = 1 mA

0

0.5

1

1.5

2

2.5

3

1M

0

10

20

30

40

50

60

70

80

–40 –25 –10 5

20 35

50 65 80 95 110 125

IOUT = 100 mA

IOUT = 10 mA

TJ – Junction Temperature – C

°

8

TPS791

SLVS325D – MARCH 2001 – REVISED FEBRUARY 2018

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Product Folder Links: TPS791

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Copyright © 2001–2018, Texas Instruments Incorporated

Typical Characteristics (continued)

at TJ = 25°C, VIN = VOUT(typ) + 1 V, IOUT = 1 mA, EN = 0 V, COUT = 10 µF, and CBYPASS = 0.01 µF (unless otherwise noted)

VIN = 4.3 V, COUT = 10 µF, TJ = 25°C

Figure 13. TPS79133 Output Impedance vs Frequency

VIN = 3.2 V, COUT = 10 µF

Figure 14. TPS79133 Dropout Voltage vs

Junction Temperature

VIN = 3.2 V, COUT = 10 µF

Figure 15. TPS79133 Dropout Voltage vs Output Current

IOUT = 100 mA

Figure 16. TPS79101 Dropout Voltage vs Input Voltage

VIN = 3.2 V, COUT = 10 µF

Figure 17. Minimum Required Input Voltage vs

Output Voltage

VIN = 2.8 V, COUT = 10 µF, CBYPASS = 0.01 µF

Figure 18. TPS79118 Ripple Rejection vs Frequency