Datasheet
____________________________Typical Operating Characteristics (continued)
(V
IN
= +3.6V, C
IN
= 1µF, C
OUT
= 1µF, MAX886_T, T
A
= +25°C, unless otherwise noted.)
110
MAX8863/4-08
FREQUENCY (kHz)
PSRR (dB)
70
60
50
40
30
20
10
0
100 1000
0.10.01
V
OUT
= 3.15V
R
L
= 100W
C
OUT
= 10μF
C
OUT
= 1μF
POWER-SUPPLY REJECTION RATIO
vs. FREQUENCY
MAX8863T/S/R, MAX8864T/S/R
Low-Dropout, 120mA Linear Regulators
4
Maxim Integrated
10
0.01
0.1 10 1001 1000
OUTPUT SPECTRAL NOISE DENSITY
vs. FREQUENCY
0.10
MAX8863/64-8A
FREQUENCY (kHz)
OUTPUT SPECTRAL NOISE DENSITY (μV/÷Hz)
1
R
L
= 50Ω
C
OUT
= 1μF
C
OUT
= 100μF
1000
0.01
0506070809010 20 30 40 100
REGION OF STABLE C
OUT
ESR
vs. LOAD CURRENT
0.1
MAX8863/64-8B
LOAD CURRENT (mA)
C
OUT
ESR (Ω)
1
10
100
INTERNAL FEEDBACK
STABLE REGION
C
OUT
= 1μF
EXTERNAL FEEDBACK
0
20
40
60
80
100
120
140
0 20 60 100
DROPOUT VOLTAGE
vs. LOAD CURRENT
MAX8863/4-07
LOAD CURRENT (mA)
DROPOUT VOLTAGE (mV)
40 8010 30 7050 90
T
A
= +85°C
T
A
= +25°C
T
A
= -40°C
I
LOAD
= 50mA, V
OUT
IS AC COUPLED
OUTPUT NOISE DC TO 1MHz
V
OUT
1ms/div
0
10
20
30
40
50
60
70
80
90
012 4 6
SUPPLY CURRENT
vs. INPUT VOLTAGE
MAX8863/4-04
INPUT VOLTAGE (V)
35
SUPPLY CURRENT (μA)
I
LOAD
= 0mA
I
LOAD
= 50mA
3.00
3.05
3.10
3.15
3.20
3.25
3.30
020-20 60 100
OUTPUT VOLTAGE
vs. TEMPERATURE
MAX8863/4-05
TEMPERATURE (°C)
OUTPUT VOLTAGE (V)
40-40 80
I
LOAD
= 50mA
0
10
20
30
40
50
60
70
80
90
100
100806040200-20-40
SUPPLY CURRENT
vs. TEMPERATURE
MAX8863/4-06
TEMPERATURE (°C)
SUPPLY CURRENT (μA)
I
LOAD
= 50mA