Datasheet

MAX8867/MAX8868
Low-Noise, Low-Dropout,
150mA Linear Regulators in SOT23
_______________________________________________________________________________________ 5
1ms/div
C
OUT
= 10µF, C
BP
= 0.1µF, I
LOAD
= 10mA
MAX886 E_K25
10Hz TO 100kHz OUTPUT NOISE
V
OUT
50µV/div
MAX8867/8-16
3.01V
3.00V
2.99V
50mA
0mA
V
OUT
I
LOAD
MAX886 E_K30, V
IN
= V
OUT
+ 0.5V,
C
IN
= 10µF, I
LOAD
= 0mA TO 50mA
10µs/div
LOAD-TRANSIENT RESPONSE
MAX8867/8-19
100
0.01
080
100
12020 40 60 140
REGION OF STABLE C
OUT
ESR
vs. LOAD CURRENT
0.1
MAX8867/8-17
LOAD CURRENT (mA)
C
OUT
ESR (Ω)
1
10
C
OUT
= 1µF
STABLE REGION
C
OUT
= 10µF
3.01V
3.00V
2.99V
50mA
0mA
V
OUT
I
LOAD
MAX886 E_K30, V
IN
= V
OUT
+ 0.1V,
C
IN
= 10µF, I
LOAD
= 0mA TO 50mA
10µs/div
LOAD-TRANSIENT RESPONSE
NEAR DROPOUT
MAX8867/8-20
____________________________Typical Operating Characteristics (continued)
(V
IN
= V
OUT(NOMINAL)
+ 0.5V, C
IN
= 1µF, C
OUT
= 1µF, C
BP
= 0.01µF, T
A
= +25°C, unless otherwise noted.)
4V
3V
3.001V
2.999V
V
OUT
MAX886 E_K30, I
LOAD
= 50mA
100µs/div
LINE-TRANSIENT RESPONSE
MAX8867/8-18
V
IN
V
OUT
V
SHDN
NO LOAD
500µs/div
MAX8868
ENTERING SHUTDOWN
MAX8867/8-25
2V
0V
0V
1V
0V
0V
2V
2V
5µs/div
MAX886 E_K25
SHUTDOWN EXIT DELAY
MAX8867-21
I
LOAD
= 50mA
V
SHDN
V
OUT
C
BP
= 0.01µF
C
BP
= 0.1µF
0V
0V
4V
2V
2V
5µs/div
MAX886 E_K50
SHUTDOWN EXIT DELAY
MAX8867-23
I
LOAD
= 50mA
V
SHDN
V
OUT
C
BP
= 0.01µF
C
BP
= 0.1µF