MAX8842(2006) Просмотр технического описания (PDF) - Maxim Integrated
Номер в каталоге
Компоненты Описание
производитель
MAX8842
(Rev.:2006)
(Rev.:2006)
Maxim Integrated
MAX8842 Datasheet PDF : 10 Pages
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Ultra-Low-Noise, High PSRR, Low-Dropout,
150mA Linear Regulators in µDFN
Typical Operating Characteristics (continued)
(VIN = VOUT + 0.5V, CIN = 1µF, COUT = 1µF, CBP = 10nF, TA = +25°C, unless otherwise noted.)
MAX8440
DROPOUT VOLTAGE vs. LOAD CURRENT
200
180
160
TA = +25°C
140
120
TA = +85°C
100
80 TA = -40°C
60
40
20
0
0 25 50 75 100 125 150
INPUT VOLTAGE (V)
MAX8840
DROPOUT VOLTAGE vs. OUTPUT VOLTAGE
250
IOUT = 80mA
200
150
100
50
0
2.0 2.2 2.4 2.6 2.8 3.0 3.2
OUTPUT (V)
MAX8840
GROUND PIN CURRENT vs. INPUT VOLTAGE
350
300
ILOAD = 150mA
250
200
150
ILOAD = 0mA
100
50
0
0
1
2
3
4
5
INPUT VOLTAGE (V)
MAX8840
GROUND PIN CURRENT vs. LOAD CURRENT
350
MAX8840
GROUND PIN CURRENT vs. TEMPERATURE
50
MAX8840
POWER-SUPPLY REJECTION RATIO
vs. FREQUENCY
90
300
250
200
150
100
50
0
0
VIN = 5.5V
VIN = 3.8V
25 50 75 100 125 150
LOAD CURRENT (mA)
45
40
35
30
-40 -15
10
35
60
85
TEMPERATURE (°C)
80
70
60
50
40
30
20
10 ILOAD = 10mA
CBP = 10nF
0
0.01 0.1
1
10 100 1000
FREQUENCY (kHz)
MAX8841
POWER-SUPPLY REJECTION RATIO
vs. FREQUENCY
90
80
70
60
50
40
30
20
10 ILOAD = 10mA
0
0.01 0.1
1
10 100 1000
FREQUENCY (kHz)
20μV/div
MAX8840
OUTPUT NOISE
MAX8840 toc11
VIN = 3.8V
ILOAD = 10mA
VNOISE = 11μVRMS
10,000
MAX8840
OUTPUT NOISE-SPECTRAL DENSITY
vs. FREQUENCY
MAX8840 toc12
1000
100
400μs/div
10
0.01
0.1
1
10 100 1000
FREQUENCY (kHz)
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