MAX8868 查看數據表（PDF） - Maxim Integrated
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MAX8868 Datasheet PDF : 11 Pages
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Low-Noise, Low-Dropout,
150mA Linear Regulators in SOT23
____________________________Typical Operating Characteristics (continued)
(VIN = VOUT(NOMINAL) + 0.5V, CIN = 1µF, COUT = 1µF, CBP = 0.01µF, TA = +25°C, unless otherwise noted.)
MAX886 E_K25
OUTPUT VOLTAGE vs. TEMPERATURE
2.60
ILOAD = 50mA
2.55
2.50
2.45
2.40
-40 -20 0 20 40 60 80 100
TEMPERATURE (°C)
MAX886 E_K50
OUTPUT VOLTAGE vs. TEMPERATURE
5.20
ILOAD = 50mA
5.10
5.00
4.90
4.80
-40 -20 0 20 40 60 80 100
TEMPERATURE (°C)
GROUND PIN CURRENT vs. TEMPERATURE
200
ILOAD = 50mA
180
160
140
MAX886 E_K50
120
100
80
60
MAX886 E_K25
40
20
0
-40 -20 0 20 40 60 80 100
TEMPERATURE (°C)
MAX886 E_K25
DROPOUT VOLTAGE vs. LOAD CURRENT
250
200
TA = +85°C
150
100
TA = +25°C
TA = -40°C
50
MAX886 E_K50
DROPOUT VOLTAGE vs. LOAD CURRENT
200
TA = +85°C
150
TA = +25°C
100
TA = -40°C
50
0
0
20 40 60 80 100 120 140 160
LOAD CURRENT (mA)
OUTPUT NOISE SPECTRAL DENSITY
vs. FREQUENCY
10
CBP = 0.01µF
ILOAD = 10mA
1
0.1
0.01
0.1
COUT = 1µF
COUT = 10µF
1
10
100
1000
FREQUENCY (kHz)
0
0
20 40 60 80 100 120 140 160
LOAD CURRENT (mA)
OUTPUT NOISE vs. BP CAPACITANCE
80
COUT = 10µF
70
ILOAD = 10mA
f = 10Hz TO 100kHz
60
50
MAX886 E_K50
40
30
MAX886 E_K30
20
MAX886 E_K25
10
0
0.001
0.01
0.1
BP CAPACITANCE (µF)
POWER-SUPPLY REJECTION RATIO
vs. FREQUENCY
70
60
COUT = 10µF
50
40
COUT = 1µF
30
20
ILOAD = 50mA
10 CBP = 0.1µF
0
0.01 0.1
1
10 100 1000
FREQUENCY (kHz)
OUTPUT NOISE vs. LOAD CURRENT
60
COUT = 10µF
CBP = 0.01µF
50
f = 10Hz TO 100kHz
MAX886 E_K50
40
30
MAX886 E_K30
20
MAX886 E_K25
10
0
1
10
100
LOAD CURRENT (mA)
4 _______________________________________________________________________________________
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