150mA Low Noise LDO Regulator
TYPICAL OPERATING CHARACTERISTICS
(Continued)
Power Supply
Rejection Ratio
V
IN
= 6V
V
OUT
= 5V
PSRR (dB)
TJ5205
0
-20
PSRR (dB)
-40
-60
-80
0
-20
-40
-60
-80
Power Supply
Rejection Ratio
DROPOUT VOLTAGE (mV)
320
280
240
200
160
120
80
40
0
0
Dropout Voltage
vs. Output Current
V
IN
= 6V
V
OUT
= 5V
+125°C
+25°C
I
OUT
= 100mA
C
OUT
= 1µF
-100
1E+1
1E+2 1E+3 1E+4 1E+5 1E+6
10M
10 100 1k 10k 100k 1M
1E+7
FREQUENCY (Hz)
-100
1E+1
1E+2 1E+3 1E+4 1E+5 1E+6
10M
10 100 1k 10k 100k 1M
1E+7
FREQUENCY (Hz)
I
OUT
= 100mA
C
OUT
= 2.2µF
C
BYP
= 0.01µF
–40°C
40
80
120
OUTPUT CURRENT (mA)
160
10
1
Noise Performance
10mA, C
OUT
= 1µF
NOISE (µV/√Hz)
10
1
0.1
0.01
0.001
Noise Performance
10
1
NOISE (µV/√Hz)
0.1
0.01
Noise Performance
100mA
10mA
NOISE (µV/√Hz)
0.1
0.01
0.001
10mA
100mA
1mA
C
OUT
= 1µF
C
BYP
= 10nF
V
OUT
= 5V
0.0001
1E
+1 1E+2 1E+3 1E+4 1E+5 1E+6 1E+7
10 100 1k 10k 100k 1M 10M
FREQUENCY (Hz)
0.0001
1E+1
1E+2 1E+3 1E+4 1E+5 1E+6 1E+7
10 100 1k 10k 100k 1M 10M
FREQUENCY (Hz)
V
OUT
= 5V
C
OUT
= 10µF
electrolytic
1mA
V
OUT
= 5V
C
OUT
= 22µF
1mA
0.001
tantalum
C
BYP
= 10nF
0.0001
1E+1
1E+2 1E+3 1E+4 1E+5 1E+6 1E+7
10 100 1k 10k 100k 1M 10M
FREQUENCY (Hz)
10
1
NOISE (µV/√Hz)
0.1
Noise Performance
10
1
NOISE (µV/√Hz)
0.1
0.01
0.001
Noise Performance
10
1
NOISE (µV/√Hz)
Noise Performance
100mA
10mA
100mA
100mA
0.1
0.01
0.001
1mA
V
OUT
= 5V
C
OUT
= 10µF
electrolytic
C
BYP
= 10nF
10mA
1mA
V
OUT
= 5V
C
OUT
= 10µF
0.001
electrolytic
10mA
C
BYP
= 100pF
0.0001
1E+1
1E+2 1E+3 1E+4 1E+5 1E+6 1E+7
10 100 1k 10k 100k 1M 10M
FREQUENCY (Hz)
0.01
0.0001
1E+1 1E+2 1E+3 1E+4 1E+5 1E+6
10M
10 100 1k 10k 100k 1M
1E+7
FREQUENCY (Hz)
V
OUT
= 5V
C
OUT
= 10µF
electrolytic
C
BYP
= 1nF
1mA
0.0001
1E+1
1E+2 1E+3 1E+4 1E+5 1E+6 1E+7
10 100 1k 10k 100k 1M 10M
FREQUENCY (Hz)
Dec. 2010 - Rev. 1.5.1
-
9
-
HTC