Datasheet

0 50 100 150 200 250
REGIONOFINSTABILITY
0.1
10
1
250mW
V
O
=3.3V
C
O
=6.8 mF
T
J
=25°C
REGIONOFINSTABILITY
I OutputCurrent
O
- - mA
ESR EquivalentSeriesResistance- - W
0.1
0.01
0 50 100 150 200 250
10
1
V
O
=3.3V
C
O
=10 mF
T
J
=25°C
REGIONOFINSTABILITY
REGIONOFINSTABILITY
50mW
I OutputCurrent
O
- - mA
ESR EquivalentSeriesResistance- - W
0.1
0.01
0 25 50 75 100 125
10
1
REGIONOFINSTABILITY
50mW
REGIONOFINSTABILITY
V
O
=1.8V
C
O
=10 mF
T
J
=25°C
I OutputCurrent
O
- - mA
ESR EquivalentSeriesResistance- - W
0 25 50 75 100 125
REGIONOFINSTABILITY
0.1
1
V
O
=1.8V
C
O
=6.8 mF
T
J
=25°C
10
REGIONOFINSTABILITY
250mW
I OutputCurrent
O
- - mA
ESR EquivalentSeriesResistance- - W
TPS70245, TPS70248
TPS70251, TPS70258
TPS70202
www.ti.com SLVS286E –JUNE 2000–REVISED DECEMBER 2009
TYPICAL CHARACTERISTICS (continued)
TYPICAL REGION OF STABILITY TYPICAL REGION OF STABILITY
EQUIVALENT SERIES RESISTANCE
(1)
EQUIVALENT SERIES RESISTANCE
(1)
vs vs
OUTPUT CURRENT OUTPUT CURRENT
Figure 30. Figure 31.
TYPICAL REGION OF STABILITY TYPICAL REGION OF STABILITY
EQUIVALENT SERIES RESISTANCE
(1)
EQUIVALENT SERIES RESISTANCE
(1)
vs vs
OUTPUT CURRENT OUTPUT CURRENT
Figure 32. Figure 33.
(1)
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 C
O
.
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