MAX8840ELT25+T MAXIM [Maxim Integrated Products], MAX8840ELT25+T Datasheet - Page 4

• Manufacturer Part Number: MAX8840ELT25+T
• Description: Ultra-Low-Noise, High PSRR, Low-Dropout, 150mA Linear Regulators in uDFN
• Manufacturer: MAXIM [Maxim Integrated Products]

Ultra-Low-Noise, High PSRR, Low-Dropout,
150mA Linear Regulators in µDFN
(V
4
IN
200
180
160
140
120
100
350
300
250
200
150
100
_______________________________________________________________________________________
= V
80
60
40
20
50
90
80
70
60
50
40
30
20
10
0
0
0
GROUND PIN CURRENT vs. LOAD CURRENT
0.01
0
0
DROPOUT VOLTAGE vs. LOAD CURRENT
OUT
T
I
POWER-SUPPLY REJECTION RATIO
LOAD
A
T
= -40°C
A
+ 0.5V, C
= +85°C
25
25
= 10mA
0.1
LOAD CURRENT (mA)
INPUT VOLTAGE (V)
vs. FREQUENCY
50
50
T
FREQUENCY (kHz)
A
MAX8440
MAX8840
MAX8841
= +25°C
1
IN
V
75
75
IN
= 1µF, C
= 5.5V
10
100
100
V
100
OUT
IN
125
125
= 3.8V
= 1µF, C
1000
150
150
20µV/div
BP
Typical Operating Characteristics (continued)
250
200
150
100
= 10nF, T
50
50
45
40
35
30
0
DROPOUT VOLTAGE vs. OUTPUT VOLTAGE
GROUND PIN CURRENT vs. TEMPERATURE
2.0
-40
2.2
-15
A
= +25°C, unless otherwise noted.)
2.4
TEMPERATURE (°C)
OUTPUT NOISE
MAX8840
MAX8840
OUTPUT (V)
MAX8840
10
400µs/div
2.6
35
V
I
V
2.8
LOAD
IN
NOISE
= 3.8V
I
OUT
= 10mA
= 11µV
3.0
= 80mA
60
MAX8840 toc11
RMS
3.2
85
10,000
350
300
250
200
150
100
1000
50
90
80
70
60
50
40
30
20
10
100
0
0
10
GROUND PIN CURRENT vs. INPUT VOLTAGE
0.01
0.01
0
I
C
POWER-SUPPLY REJECTION RATIO
OUTPUT NOISE-SPECTRAL DENSITY
LOAD
BP
I
LOAD
= 10nF
= 10mA
0.1
0.1
1
= 150mA
INPUT VOLTAGE (V)
vs. FREQUENCY
vs. FREQUENCY
FREQUENCY (kHz)
FREQUENCY (kHz)
MAX8840
MAX8840
MAX8840
2
1
1
10
10
3
I
LOAD
100
100
4
MAX8840 toc12
= 0mA
1000
1000
5