MAX8860 Maxim, MAX8860 Datasheet - Page 4

• Manufacturer Part Number: MAX8860
• Description: Low-Dropout / 300mA Linear Regulator in MAX
• Manufacturer: Maxim

Low-Dropout, 300mA
Linear Regulator in µMAX
(V
4
IN
200
180
160
140
120
100
_______________________________________________________________________________________
-10
-20
-30
-40
-50
-60
-70
= V
80
60
40
20
0
0
0.01
0
OUT
POWER-SUPPLY REJECTION RATIO
20mV/div
+ 0.5V, C
NO LOAD SUPPLY CURRENT
1
0.1
200mA
I
LOAD
V
vs. INPUT VOLTAGE
OUT
vs. FREQUENCY
0
2
INPUT VOLTAGE (V)
FREQUENCY (kHz)
1
IN
3
= C
LOAD-TRANSIENT RESPONSE
T
T
A
10
A
= +85°C
4
OUT
= +25°C
T
A
= -40°C
= 2.2µF, C
100
5
400µs/div
6
V
1000
IN
= V
CC
OUT
+ 200mV
= 33nF, T
0.01
Typical Operating Characteristics (continued)
1.0
0.1
10
180
160
140
120
100
80
60
40
20
0
0.1
0
DROPOUT VOLTAGE vs. LOAD CURRENT
OUTPUT NOISE SPECTRAL DENSITY
A
50
= +25°C, unless otherwise noted.)
1
LOAD CURRENT (mA)
100
FREQUENCY (kHz)
T
A
T
= +85°C
A
= +25°C
150
10
C
C
OUT
OUT
200
I
LOAD
= 10µF
= 2.2µF
100
T
A
2mV/div
250
= 10mA
= -40°C
+4.3V
+3.3V
V
OUT
V
IN
1000
300
I
LOAD
500µV/div
LINE-TRANSIENT RESPONSE
= 200mA
V
OUT
250
200
150
100
50
0
0
500µs/div
50
FAULT DETECT THRESHOLD
FAULT = HIGH
vs. LOAD CURRENT
LOAD CURRENT (mA)
(10Hz TO 1MHz)
100
OUTPUT NOISE
1ms/div
150
I
LOAD
FAULT = LOW
200
= 200mA
250
300