TPS76301, TPS76316, TPS76318, TPS76325, TPS76327

TPS76328, TPS76330, TPS76333, TPS76338, TPS76350

LOW POWER 150mA LOW DROPOUT LINEAR REGULATORS

SLVS181H − DECEMBER 1998 − REVISED JANUARY 2004

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11

TYPICAL CHARACTERISTICS

Figure 16

0.1

0.01

0

50

100

150

200

250

TYPICAL REGIONS OF STABILITY

vs

OUTPUT CURRENT

10

100

IO − Output Current − mA

1

Region of Instability

CO = 4.7 µF

TJ = 25°C

Region of Instability

Figure 17

0.1

0.01

0

0.1

0.2

0.3

0.4

0.5

TYPICAL REGIONS OF STABILITY

vs

ADDED CERAMIC CAPACITANCE

10

100

Added Ceramic Capacitance −

µF

0.6

0.7 0.8

0.9

1

1

Region of Instability

Region of Instability

I = 150 mA

CO = 4.7 µF

TJ = 25°C

Figure 18

0.1

0.01

0

50

100

150

200

250

TYPICAL REGIONS OF STABILITY

vs

OUTPUT CURRENT

10

100

IO − Output Current − mA

1

Region of Instability

Region of Instability

CO = 10 µF

Figure 19

0.1

0.01

0

0.1

0.2

0.3

0.4

0.5

TYPICAL REGIONS OF STABILITY

vs

ADDED CERAMIC CAPACITANCE

10

100

Added Ceramic Capacitance −

µF

1

0.6

0.7 0.8

0.9

1

CO = 10 µF

Region of Instability

Region of Instability

(1) CSR refers to the total series resistance, including the ESR of the capacitor, any series resistance added externally, and PWB trace

resistance to CO.