TPS767D301, TPS767D318, TPS767D325

DUAL-OUTPUT LOW-DROPOUT VOLTAGE REGULATORS

SLVS209B – JULY 1999 – REVISED APRIL 2000

13

POST OFFICE BOX 655303

TYPICAL CHARACTERISTICS

Figure 21

0.1

0

200

400

600

800

1000

TYPICAL REGION OF STABILITY

vs

OUTPUT CURRENT

10

IO – Output Current – mA

1

Vo = 3.3V

CL = 4.7µF

VI = 4.3V

TA = 25°C

Region of Stability

Region of Instability

Figure 22

TYPICAL REGION OF STABILITY

vs

OUTPUT CURRENT

IO – Output Current – mA

0.1

0

200

400

600

800

1000

10

1

Region of Stability

Region of Instability

VO = 3.3 V

Cl = 4.7 µF

VI = 4.3 V

TJ = 125°C

Figure 23

0.1

0

200

400

600

800

1000

TYPICAL REGION OF STABILITY

vs

OUTPUT CURRENT

10

IO – Output Current – mA

1

Region of Instability

Region of Stability

VO = 3.3V

CL = 22µF

VI = 4.3V

TA = 25°C

Figure 24

TYPICAL REGION OF STABILITY

vs

OUTPUT CURRENT

0.1

0

200

400

600

800

1000

10

1

IO – Output Current – mA

VO = 3.3V

Cl = 22µF

VI = 4.3V

TJ = 125°C

Region of Stability

Region of Instability

† 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.