TL5209 Datasheet, PDF (9/22 Pages) Texas Instruments – 500-mA LOW-NOISE LOW-DROPOUT VOLTAGE REGULATOR WITH SHUTDOWN

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TL5209
500-mA LOW-NOISE LOW-DROPOUT VOLTAGE REGULATOR
WITH SHUTDOWN
SLVS581 – SEPTEMBER 2006
TYPICAL CHARACTERISTICS (continued)
POWER-SUPPLY REJECTION RATIO
POWER-SUPPLY REJECTION RATIO
0
V_IN = 3.5 V
-10 _{COUT = 2.2 µF}
-20 CBYP = 0 µF
-30 ^{IOUT = 100 mA}
-40
-50
-60
-70
-80
-90
-100
1.E1+001
1.1E0+002
1.1Ek+03 1.1E0+k04
Frequency – Hz
1.0E0+k05
1.1EM+06
0
V_IN = 3.5 V
-10 _{COUT = 2.2 µF}
-20 CBYP = 0.01 µF
-30 ^{IOUT = 100 mA}
-40
-50
-60
-70
-80
-90
-100
1.E1+001
1.E1+0002
1.E1+k03 1.E1+00k4
Frequency – Hz
11.E00+k05
1.E1M+06
POWER-SUPPLY RIPPLE REJECTION
vs
VOLTAGE DROP
120
110 ^{VOUT = 2.5 V}
C_OUT = 2.2 µF
100 _{CBYP = 0 µF}
90
I_L = 1 mA
I_L = 10 mA
80
70
I_L = 100 mA
60
50
40
30
20
10
0
0
0.1
0.2
0.3
0.4
0.5
Voltage Drop – V
Figure 4.
POWER-SUPPLY RIPPLE REJECTION
vs
VOLTAGE DROP
120
110
V_OUT = 2.5 V
100 _{COUT = 2.2 µF}
90 ^CBYP ^{= 0.01 µF}
80
70
60
50
40
30
20
10
0
0
0.1
0.2
0.3
Voltage Drop – V
I_L = 1 mA
I_L = 10 mA
I_L = 100 mA
0.4
0.5
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