Datasheet

+
EN
GND
IN
OUT
V
IN
C
OUT
R
L
ESR
ToLoad
0.1
0 200 400 600 800
1000
10
1
0.01
RegionofInstability
RegionofStability
RegionofInstability
V =3.3V
C =4.7 F
V =4.3V
T =+125 C
OUT
OUT
IN
A
m
°
ESR
EquivalentSeriesResistance
- W-
I OutputCurrent mA
OUT
--
0.1
0 200 400 600 800 1000
10
1
0.01
RegionofStability
RegionofInstability
RegionofInstability
V =3.3V
C =4.7 F
V =4.3V
T =+25 C
OUT
OUT
IN
A
m
°
ESR EquivalentSeriesResistance
- W-
I OutputCurrent mA
OUT
--
0.1
0 200 400 600 800 1000
10
1
0.01
RegionofInstability
RegionofStability
RegionofInstability
V =3.3V
C =22 F
V =4.3V
T =+25 C
OUT
OUT
IN
A
m
°
ESR EquivalentSeriesResistance
- W-
I OutputCurrent mA
OUT
--
0.1
0 200 400 600 800 1000
10
1
0.01
RegionofStability
RegionofInstability
RegionofInstability
V =3.3V
C =22 F
V =4.3V
T =+125 C
OUT
OUT
IN
A
m
°
ESR EquivalentSeriesResistance - W-
I OutputCurrent mA
OUT
--
TPS767D3xx
www.ti.com ......................................................................................................................................................... SLVS209H – JULY 1999 – REVISED AUGUST 2008
Figure 20. Test Circuit for Typical Regions of Stability (Figure 21 through Figure 24 )
(Fixed Output Options)
Equivalent series resistance (ESR) refers to the total series resistance, including the ESR of the capacitor, any
resistance added externally, and PWB trace resistance to C
OUT
.
TYPICAL REGION OF STABILITY TYPICAL REGION OF STABILITY
ESR vs OUTPUT CURRENT ESR vs OUTPUT CURRENT
Figure 21. Figure 22.
TYPICAL REGION OF STABILITY TYPICAL REGION OF STABILITY
ESR vs OUTPUT CURRENT ESR vs OUTPUT CURRENT
Figure 23. Figure 24.
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