TPS75201MEP

FAST TRANSIENT RESPONSE 2A LOW DROPOUT VOLTAGE REGULATOR

WITH RESET

SGLS325 − JANUARY 2006

12

POST OFFICE BOX 655303

TYPICAL CHARACTERISTICS

IN

EN

OUT

+

GND

CO

ESR

RL

VI

To Load

Figure 18. Test Circuit for Typical Regions of Stability (Figures 19 and 20) (Fixed-Output Options)

0.01

0

0.5

1

1.5

2

TYPICAL REGION OF STABILITY

vs

OUTPUT CURRENT

10

IO − Output Current − A

1

Region of Instability

0.1

Region of Stability

VO = 3.3 V

CO = 100 µF

VI = 4.3 V

TJ = 25°C

0.05

Figure 19

Figure 20

0.01

0

0.5

1

1.5

2

TYPICAL REGION OF STABILITY

vs

OUTPUT CURRENT

10

IO − Output Current − A

1

Region of Instability

0.1

Region of Stability

VO = 3.3 V

CO = 47 µF

VI = 4.3 V

TJ = 25°C

† Equivalent series resistance (ESR) refers to the total series resistance, including the ESR of the capacitor, any series resistance added externally,

and PWB trace resistance to CO.