Datasheet

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IN
EN
OUT
+
GND
C
o
ESR
R
L
V
I
To Load
0.01
0 5
10
I
O
− Output Current − A
ESR − Equivalent Series Resistance − Ω
1
0.1
Region of Stability
0.015
Region of Instability
C
o
= 680 µF
T
J
= 25°C
1 2 3 4
0.01
0 5
10
I
O
− Output Current − A
1
0.2
ESR − Equivalent Series Resistance − Ω
C
o
= 47 µF
T
J
= 25°C
Region of Stability
Region of Instability
1 2 3 4
TPS75601, TPS75615
TPS75618, TPS75625
TPS75633
SLVS329C – JUNE 2001 – REVISED MARCH 2004
TYPICAL CHARACTERISTICS (continued)
Figure 18. Test Circuit for Typical Regions of Stability (Figures 19 and 20) (Fixed Output Options)
TYPICAL REGION OF STABILITY
(A)
TYPICAL REGION OF STABILITY
(A)
EQUIVALENT SERIES RESISTANCE EQUIVALENT SERIES RESISTANCE
vs vs
OUTPUT CURRENT OUTPUT CURRENT
Figure 19. Figure 20.
A. 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
.
11