Datasheet

TPS79201, TPS79225
TPS79228, TPS79230
SLVS337B – MARCH 2001 – REVISED MAY 2002
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7
TYPICAL CHARACTERISTICS
Figure 19
0.01
0.1
1
10
100
0 0.02 0.04 0.06 0.08 0.1
I
O
– Output Current – A
ESR – Equivalent Series Resistance – Ω
TPS79228
TYPICAL REGIONS OF STABILITY
EQUIVALENT SERIES RESISTANCE (ESR)
vs
OUTPUT CURRENT
Region of Instability
C
o
= 0.47 µF
V
I
= 5.5 V
T
J
= –40 °C to 125°C
Region of
Instability
Figure 20
0.01
0.1
10
100
0 0.02 0.04 0.06 0.08 0.1
I
O
– Output Current – A
ESR – Equivalent Series Resistance – Ω
TPS79228
TYPICAL REGIONS OF STABILITY
EQUIVALENT SERIES RESISTANCE (ESR)
vs
OUTPUT CURRENT
1
Region of Instability
Region of Stability
C
o
= 1 µF
V
I
= 5.5 V
T
J
= –40 °C to 125°C
0.01
0.1
10
100
0 0.02 0.04 0.06 0.08 0.1
I
O
– Output Current – A
ESR – Equivalent Series Resistance – Ω
TPS79228
TYPICAL REGIONS OF STABILITY
EQUIVALENT SERIES RESISTANCE (ESR)
vs
OUTPUT CURRENT
1
Region of Instability
Region of Stability
Figure 21
C
o
= 10 µF
V
I
= 5.5 V
T
J
= –40 °C to 125°C