MAX1818 Maxim, MAX1818 Datasheet - Page 4

• Manufacturer Part Number: MAX1818
• Description: 500mA Low-Dropout Linear Regulator in SOT23
• Manufacturer: Maxim

500mA Low-Dropout
Linear Regulator in SOT23
(V
4
180
150
120
70
IN
80
60
50
40
30
20
10
90
60
30
0
0
_______________________________________________________________________________________
= (V
0.01
0
V
POWER-SUPPLY REJECTION RATIO
OUT
OUT
T
= 3.3V
0.1
A
0.1
= +25°C
+ 500mV) or +2.5V, whichever is greater; SHDN = IN, C
DROPOUT VOLTAGE
vs. LOAD CURRENT
V
V
IN
OUT
LOAD CURRENT (A)
vs. FREQUENCY
FREQUENCY (kHz)
= V
LOAD-TRANSIENT RESPONSE
0.2
= 3.3V
1
OUT
+ 100mV
NEAR DROPOUT
0.3
10
T
C
V
A
R
10µs/div
OUT
OUT
= +85°C
LOAD
T
A
= -40°C
= 3.3V
= 3.3µF
100
0.4
= 100Ω
1000
0.5
MAX1818 toc10
V
-0.5
-1.0
-1.5
-2.0
-2.5
-3.0
OUT
3.0
2.5
2.0
1.5
1.0
0.5
V
0
IN
0
Typical Operating Characteristics (continued)
0
0.1
OUTPUT VOLTAGE ACCURACY
0.2 0.3 0.4
3.3V OUTPUT
vs. LOAD CURRENT
LINE TRANSIENT
LOAD CURRENT (A)
100µs/div
0.5 0.6 0.7
IN
1.8V OUTPUT
= 1µF, C
2.5V OUTPUT
0.8
MAX1818 toc08
0.9
V
V
POK
OUT
OUT
V
IN
1.0
= 3.3µF, T
POWER-ON RESET
-0.5
-1.0
-1.5
-2.0
-2.5
-3.0
V
I
3.0
2.5
2.0
1.5
1.0
0.5
OUT
OUT
0
A
-40
= +25°C, unless otherwise noted.)
10ms/div
V
V
V
IN
OUT
OUT
= 3.3V
OUTPUT VOLTAGE ACCURACY
LOAD-TRANSIENT RESPONSE
= 2.5V
= 1.5V TO 5.0V
-15
vs. TEMPERATURE
TEMPERATURE (°C)
10
MAX1818 toc11
40µs/div
35
I
0
2V/div
0
0
LOAD
= 150mA
60
MAX1818 toc09
85
500mA
100mA