MAX8869 MAXIM [Maxim Integrated Products], MAX8869 Datasheet - Page 4

• Manufacturer Part Number: MAX8869
• Description: 1A, Microcap, Low-Dropout, Linear Regulator Foldback Output Current Limit
• Manufacturer: MAXIM [Maxim Integrated Products]

1A, Microcap, Low-Dropout,
Linear Regulator
(V
4
IN
-0.5
-1.0
-1.5
-2.0
-2.5
-3.0
_______________________________________________________________________________________
300
250
200
150
100
3.5
3.0
2.5
2.0
1.5
1.0
0.5
= +5V, V
50
0
0
0
2.5
0
0
I
IN DROPOUT, V
OUT
OUTPUT VOLTAGE DEVIATION
0.5
= 500mA
200
3.0
OUT
vs. OUTPUT CURRENT
vs. OUTPUT CURRENT
vs. INPUT VOLTAGE
DROPOUT VOLTAGE
OUTPUT CURRENT (mA)
OUTPUT CURRENT (A)
GROUND CURRENT
1.0
INPUT VOLTAGE (V)
= +2.5V, SHDN = IN, SS = open, C
OUT
400
3.5
≅ V
V
V
1.5
IN
IN
IN
= +5V
= +3V
V
600
IN
4.0
V
IN
= +3V
2.0
= +5V
800
4.5
2.5
1000
3.0
5.0
-0.5
-1.0
-1.5
1.5
1.0
0.5
2.5
2.0
1.5
1.0
0.5
60
50
40
30
20
10
0
0
0
0.01
-40
-40
OUT
I
I
I
I
OUT
OUT
OUT
OUT
OUTPUT VOLTAGE DEVIATION
= 250mA
= 0V
= 300mA
= 250mA
= 1µF, T
-15
-15
0.1
PSRR vs. FREQUENCY
vs. TEMPERATURE
vs. TEMPERATURE
GROUND CURRENT
TEMPERATURE (°C)
TEMPERATURE (°C)
FREQUENCY (kHz)
V
10
10
1
IN
A
= +5V
= +25°C, unless otherwise noted.)
Typical Operating Characteristics
10
35
35
V
IN
= +3V
100
60
60
1000
85
85
0.01
450
400
350
300
250
200
150
100
0.1
10
3.5
3.0
2.5
2.0
1.5
1.0
0.5
50
1
0
0
0.01
0
0
V
I
OUT
OUT
OUTPUT NOISE SPECTRAL DENSITY
250
= 250mA
= +3.3V
0.1
1
vs. OUTPUT CURRENT
DROPOUT VOLTAGE
vs. INPUT VOLTAGE
OUTPUT CURRENT (mA)
GROUND CURRENT
500
vs. FREQUENCY
INPUT VOLTAGE (V)
FREQUENCY (kHz)
2
1
750
3
10
I
I
OUT
OUT
1000
I
= 1A
= 0A
OUT
4
100
= 0.5A
1250
5
1500
1000