TPS79225DBVR datasheet(10/38 Pages) TI2

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5.6 Typical Characteristics (continued)

VIN (V)

1.8

1.9

2.1

2.2

2.3

2.4

2.5

2.6

2.7

2.8

-40

C

125

C

New chip

Figure 5-19. TPS792 Dropout Voltage vs Input Voltage

2.2

2.7

3.2

3.7

4.2

4.7

1.5

2.5

3.5

4.5

TJ = 125°C

TJ =– 40°C

TJ = 25°C

VI = 3.2 V

Co = 10 µF

5.2

MINIMUM REQUIRED INPUT VOLTAGE

OUTPUT VOLTAGE

VO – Output Voltage – V

Legacy chip

Figure 5-20. Minimum Required Input Voltage vs Output Voltage

100

1 k

10 k

100 k

1 M

10 M

f – Frequency – Hz

TPS79228

RIPPLE REJECTION

FREQUENCY

IO = 10 mA

VI = 3.8 V

Co = 10 µF

C(byp) = 0.01 µF

IO = 100 mA

Legacy chip

Figure 5-21. TPS792 Ripple Rejection vs Frequency

Frequency (Hz)

100

10k

100k

10M

VIN = 3.8V

COUT = 10F

IOUT

10mA

100mA

New chip

Figure 5-22. TPS792 Ripple Rejection vs Frequency

100

1 k

10 k

100

100 k

1 M

10 M

f – Frequency – Hz

TPS79228

RIPPLE REJECTION

FREQUENCY

VI = 3.8 V

Co = 1 µF

C(byp) = 0.01 µF

IO = 10 mA

IO = 100 mA

Legacy chip

Figure 5-23. TPS792 Ripple Rejection vs Frequency

100

1 k

10 k

100

100 k

1 M

10 M

f – Frequency – Hz

TPS79228

RIPPLE REJECTION

FREQUENCY

VI = 3.8 V

Co = 1 µF

C(byp) = 0.1 µF

IO = 10 mA

IO = 100 mA

Legacy chip

Figure 5-24. TPS792 Ripple Rejection vs Frequency

TPS792

SLVS337E – MARCH 2001 – REVISED JANUARY 2025

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