Datasheet

I
O
− Output Current − mA
1
100
ESR − Equivalent Series Resistance −
Ω
10
V
IN
= 4.3 V
C
O
= 10 µF
3.3 V LDO
Region of Instability
Region of Stability
0.1
0 25 50 75 100
0.2
Added Ceramic Capacitance − µF
1
100
ESR − Equivalent Series Resistance −
Ω
10
Region of Instability
Region of Stability
V
IN
= 4.3 V
C
O
= 10 µF
I
L
= 100 mA
0 0.1
0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1
1
0
100
I
O
− Output Current − mA
ESR − Equivalent Series Resistance −
Ω
10
Region of Instability
V
IN
= 4.3 V
C
O
= 4.7 µF
3.3 V LDO
0.1
Region of Stability
25 50
75 100
0.2
Added Ceramic Capacitance − µF
1
100
ESR − Equivalent Series Resistance −
Ω
10
Region of Instability
Region of Stability
V
IN
= 4.3 V
C
O
= 4.7 µF
I
L
= 100 mA
0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1
TPS76901-Q1, TPS76912-Q1, TPS76915-Q1
TPS76918-Q1, TPS76925-Q1, TPS76927-Q1
TPS76928-Q1, TPS76930-Q1, TPS76933-Q1, TPS76950-Q1
SGLS118C –DECEMBER 2001–REVISED JUNE 2012 www.ti.com
TYPICAL CHARACTERISTICS (continued)
SPACE SPACE
SPACE SPACE
TPS76933-Q1 TYPICAL REGIONS OF STABILITY TPS76933-Q1 TYPICAL REGIONS OF STABILITY
EQUIVALENT SERIES RESISTANCE (ESR) EQUIVALENT SERIES RESISTANCE (ESR)
vs vs
OUTPUT CURRENT ADDED CERAMIC CAPACITANCE
Figure 17. Figure 18.
SPACE SPACE
SPACE SPACE
TPS76933-Q1 TYPICAL REGIONS OF STABILITY TPS76933-Q1 TYPICAL REGIONS OF STABILITY
EQUIVALENT SERIES RESISTANCE (ESR) EQUIVALENT SERIES RESISTANCE (ESR)
vs vs
OUTPUT CURRENT ADDED CERAMIC CAPACITANCE
Figure 19. Figure 20.
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Product Folder Link(s): TPS76901-Q1 TPS76912-Q1 TPS76915-Q1 TPS76918-Q1 TPS76925-Q1 TPS76927-Q1
TPS76928-Q1 TPS76930-Q1 TPS76933-Q1 TPS76950-Q1