TPS76715-EP Datasheet, PDF (15/28 Pages) Texas Instruments – FAST-TRANSIENT-RESPONSE 1-A LOW-DROPOUT VOLTAGE REGULATORS

TPS76715-EP, TPS76718-EP, TPS76725-EP, TPS76727-EP
TPS76728-EP, TPS76730-EP, TPS76733-EP, TPS76750-EP, TPS76701-EP
FAST-TRANSIENT-RESPONSE 1-A LOW-DROPOUT VOLTAGE REGULATORS
SGLS157 – MARCH 2003
TYPICAL CHARACTERISTICS
TYPICAL REGION OF STABILITY
EQUIVALENT SERIES RESISTANCE^†
vs
OUTPUT CURRENT
10
TYPICAL REGION OF STABILITY
EQUIVALENT SERIES RESISTANCE^†
vs
OUTPUT CURRENT
10
Region of Instability
Region of Instability
1
Region of Stability
VO = 3.3 V
Co = 4.7 µF
VI = 4.3 V
TA = 25°C
0.1
0
200
400
600
800
IO – Output Current – mA
Figure 22
1000
TYPICAL REGION OF STABILITY
EQUIVALENT SERIES RESISTANCE^†
vs
OUTPUT CURRENT
10
Region of Instability
VO = 3.3 V
Co = 4.7 µF
VI = 4.3 V
TJ = 125°C
1
Region of Stability
0.1
0
200
400
600
800 1000
IO – Output Current – mA
Figure 23
TYPICAL REGION OF STABILITY
EQUIVALENT SERIES RESISTANCE^†
vs
OUTPUT CURRENT
10
Region of Instability
VO = 3.3 V
Co = 22 µF
VI = 4.3 V
1
1
TJ = 125°C
Region of Stability
Region of Stability
VO = 3.3 V
Co = 22 µF
VI = 4.3 V
TA = 25°C
0.1
0
200
400
600
800 1000
0.1
0
200
400
600
800 1000
IO – Output Current – mA
IO – Output Current – mA
Figure 24
Figure 25
† _{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 Co.
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