MAX8888 MAXIM [Maxim Integrated Products], MAX8888 Datasheet - Page 4

• Manufacturer Part Number: MAX8888
• Description: Low-Dropout, 300mA Linear Regulators in SOT23
• Manufacturer: MAXIM [Maxim Integrated Products]

Low-Dropout, 300mA Linear Regulators in SOT23
4
(Typical Operating Circuit, T
_______________________________________________________________________________________
100
160
140
120
100
80
60
40
20
80
60
40
20
0
0
GROUND-PIN CURRENT vs. LOAD CURRENT
0
0
DROPOUT VOLTAGE vs. LOAD CURRENT
50
50
V
V
IN
IN
= 5.5V
= 3.8V
T
LOAD CURRENT (mA)
LOAD CURRENT (mA)
100
100
A
= +85°C
150
150
V
OUT
T
A
= +25°C
OUTPUT NOISE DC TO 1MHz
= 1.8V, V
A
200
200
T
= +25°C, unless otherwise noted.)
A
= -40°C
IN
250
250
MAX8887
= 3.8V, I
40ms/div
300
300
LOAD
= 15mA
MAX8887/8 toc10
Typical Operating Characteristics (continued)
300
250
200
150
100
50
70
68
66
64
62
60
58
56
54
52
50
0
DROPOUT VOLTAGE vs. OUTPUT VOLTAGE
2.5
GROUND-PIN CURRENT vs. TEMPERATURE
-40
I
V
OUT
IN
V
50μV/div
= V
OUT
= 0
-15
OUT
2.7
+ 500mV
TEMPERATURE (°C)
MAXIMUM
10
TYPICAL
V
OUT
2.9
(V)
V
I
OUT
OUT
35
I
OUT
3.1
= 200mA
60
LOAD-TRANSIENT RESPONSE
3.3
85
10μs/div
150
125
100
75
50
25
70
60
50
40
30
20
10
0
0
GROUND-PIN CURRENT vs. INPUT VOLTAGE
0
0.01
C
C
V
I
LOAD
POWER-SUPPLY REJECTION RATIO
V
OUT
BP
OUT
OUT
V
MAX8887/8 toc11
IN
= 0.01μF
1.0
0.1
= 2.2μF
= 3.30V
= 30mA
= 3.3V
= 3.8V
INPUT VOLTAGE (V)
vs. FREQUENCY
FREQUENCY (kHz)
2.0
1
300mA
10mA
50mV/div
AC-COUPLED
3.0
10
I
LOAD
MAX8887 ONLY
I
4.0
LOAD
100
= 300mA
= 0
5.0
1000