Datasheet

MAX8510/MAX8511/MAX8512
Ultra-Low-Noise, High PSRR,
Low-Dropout, 120mA Linear Regulators
4 _______________________________________________________________________________________
Typical Operating Characteristics (continued)
(V
IN
= V
OUT
+ 0.5V, C
IN
= 1µF, C
OUT
= 1µF, C
BP
= 10nF, T
A
= +25°C, unless otherwise noted.)
MAX8510
DROPOUT VOLTAGE vs. LOAD CURRENT
MAX8510 toc04
LOAD CURRENT (mA)
DROPOUT VOLTAGE (mV)
10080604020
30
60
90
120
150
0
0 120
T
A
= +85°C
T
A
= +25°C
T
A
= -40°C
MAX8510
DROPOUT VOLTAGE vs. OUTPUT VOLTAGE
MAX8510 toc05
OUTPUT (V)
DROPOUT VOLTAGE (mV)
3.02.82.62.42.2
50
100
150
200
250
0
2.0 3.2
I
OUT
= 80mA
MAX8510
GROUND PIN CURRENT vs. INPUT VOLTAGE
MAX8510 toc06
INPUT VOLTAGE (V)
GROUND PIN CURRENT (μA)
4321
150
200
50
100
250
300
350
0
05
I
OUT
= 120mA
I
OUT
= 0mA
MAX8510
GROUND PIN CURRENT vs. LOAD CURRENT
MAX8510 toc 07
LOAD CURRENT (mA)
GROUND PIN CURRENT (μA)
10080604020
40
80
120
160
200
240
0
0 120
V
IN
= 3.8V
V
IN
= 5.5V
MAX8510
GROUND PIN CURRENT vs. TEMPERATURE
MAX8510 toc08
TEMPERATURE (°C)
GROUND PIN CURRENT (μA)
603510-15
35
40
45
50
30
-40 85
MAX8510
PSRR vs. FREQUENCY
MAX8510 toc09
FREQUENCY (kHz)
PSRR (dB)
1 10 1000.1
40
50
60
10
20
30
70
80
90
0
0.01 1000
I
LOAD
= 10mA
C
BP
= 10nF
MAX8511
PSRR vs. FREQUENCY
MAX8510 toc10
FREQUENCY (kHz)
PSRR (dB)
0.1 1 10 100
40
50
60
10
20
30
70
80
90
0
0.01 1000
I
LOAD
= 10mA
MAX8510
OUTPUT NOISE
MAX8510 toc11
400μs/div
V
IN
= 3.8V
I
LOAD
= 10mA
V
NOISE
= 11μV
RMS
20μV/div
MAX8510
OUTPUT NOISE SPECTRAL DENSITY
vs. FREQUENCY
MAX8510 toc12
FREQUENCY (kHz)
OUTPUT NOISE DENSITY (nV/√Hz)
0.1 1 10 100
1.E+03
1.E+02
1.E+04
1.E+01
0.01 1000