TPS77901, TPS77918, TPS77925, TPS77930

250-mA LDO REGULATOR WITH INTEGRATED RESET IN A MSOP8 PACKAGE

SLVS283A – MARCH 2000 – REVISED MARCH 2000

13

POST OFFICE BOX 655303

TYPICAL CHARACTERISTICS

Figure 18

0.1

0

50

100

150

200

250

TYPICAL REGION OF STABILITY

vs

OUTPUT CURRENT

10

IO – Output Current – mA

1

VO = 3.0 V

CO = 1 µF

VI = 4.3 V

TJ = 25°C

Region of Stability

Region of Instability

Region of Instability

Figure 19

0.1

0

50

100

150

200

250

TYPICAL REGION OF STABILITY

vs

OUTPUT CURRENT

10

IO – Output Current – mA

1

Region of Stability

Region of Instability

Region of Instability

VO = 3.0 V

CO = 10 µF

VI = 4.3 V

TJ = 25°C

0.01

Figure 20

0.1

0

50

100

150

200

250

TYPICAL REGION OF STABILITY

vs

OUTPUT CURRENT

10

IO – Output Current – mA

1

VO = 3.0 V

CO = 1 µF

VI = 4.3 V

TJ = 125 °C

Region of Stability

Region of Instability

Region of Instability

Figure 21

0.1

0

50

100

150

200

250

TYPICAL REGION OF STABILITY

vs

OUTPUT CURRENT

10

IO – Output Current – mA

1

Region of Stability

Region of Instability

0.01

Region of Instability

VO = 3.0 V

CO = 10 µF

VI = 4.3 V

TJ = 125°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.