Datasheet
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10
1
0.1
0.01
0 100 200 300 400 500
I
O
−Output Current −mA
ESR −Equivalent Series Resistance −
Ω
50 m
Ω
REGION OF INSTABILITY
REGION OF INSTABILITY
V
O
= 3.3V
C
O
= 33 F
T
J
= 25C
10
1
0.1
0.01
0 100 200 300 400 500
I
O
−Output Current −mA
ESR −Equivalent Series Resistance −
Ω
50 m
Ω
REGION OF INSTABILITY
REGION OF INSTABILITY
V
O
= 3.3 V
C
O
= 33 F + 1 F
T
J
= 25C
10
1
0.1
0.01
0 100 200 300 400 500
I
O
−Output Current −mA
ESR −Equivalent Series Resistance −
Ω
REGION OF INSTABILITY
REGION OF INSTABILITY
50m
V
O
= 3.3 V
C
O
= 10 F
T
J
= 25C
10
1
0.1
0.01
0 100 200 300 400 500
I
O
−Output Current −mA
ESR −Equivalent Series Resistance −
Ω
50 m
Ω
REGION OF INSTABILITY
REGION OF INSTABILITY
V
O
= 3.3V
C
O
= 10 F + 1 F
T
J
= 25C
TPS70145, TPS70148
TPS70151, TPS70158
TPS70102
SLVS222D – DECEMBER 1999 – REVISED NOVEMBER 2004
TYPICAL REGION OF STABILITY TYPICAL REGION OF STABILITY
EQUIVALENT SERIES RESISTANCE EQUIVALENT SERIES RESISTANCE
vs vs
OUTPUT CURRENT OUTPUT CURRENT
Figure 31. Figure 32.
TYPICAL REGION OF STABILITY TYPICAL REGION OF STABILITY
EQUIVALENT SERIES RESISTANCE EQUIVALENT SERIES RESISTANCE
vs vs
OUTPUT CURRENT OUTPUT CURRENT
Figure 33. Figure 34.
19