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7101Q View Datasheet(PDF) - Texas Instruments

Part NameDescriptionManufacturer
7101Q LOW-DROPOUT VOLTAGE REGULATORS Texas-Instruments
Texas Instruments Texas-Instruments
7101Q Datasheet PDF : 39 Pages
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TPS7101Q, TPS7133Q, TPS7148Q, TPS7150Q
TPS7101Y, TPS7133Y, TPS7148Y, TPS7150Y
LOW-DROPOUT VOLTAGE REGULATORS
SLVS092G NOVEMBER 1994 REVISED JANUARY 2003
TYPICAL CHARACTERISTICS
TYPICAL REGIONS OF STABILITY
COMPENSATION SERIES RESISTANCE
vs
OUTPUT CURRENT
100
Region of Instability
VI = VO(nom) + 1 V
No Input Capacitance
CO = 10 µF
No Ceramic Capacitance
TA = 25°C
10
TYPICAL REGIONS OF STABILITY
COMPENSATION SERIES RESISTANCE
vs
OUTPUT CURRENT
100
VI = VO(nom) + 1 V
No Input Capacitance
CO = 10 µF + 0.5 µF of
Added Ceramic Capacitance
TA = 25°C
10
Region of Instability
1
1
0.2
0.1
0
50 100 150 200 250 300 350 400 450 500
IO Output Current mA
Figure 38
TYPICAL REGIONS OF STABILITY
COMPENSATION SERIES RESISTANCE
vs
ADDED CERAMIC CAPACITANCE
100
VI = VO(nom) + 1 V
No Input Capacitance
CO = 10 µF
IO = 100 mA
TA = 25°C
10
Region of Instability
0.2
0.1
0 50 100 150 200 250 300 350 400 450 500
IO Output Current mA
Figure 39
TYPICAL REGIONS OF STABILITY
COMPENSATION SERIES RESISTANCE
vs
ADDED CERAMIC CAPACITANCE
100
VI = VO(nom) + 1 V
No Input Capacitance
CO = 10 µF
IO = 500 mA
TA = 25°C
10
Region of Instability
1
1
0.2
0.1
0
0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1
Ceramic Capacitance µF
Figure 40
CSR values below 0.1 are not recommended.
0.2
0.1
0
0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1
Ceramic Capacitance µF
Figure 41
24
POST OFFICE BOX 655303 DALLAS, TEXAS 75265
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