MAX8940EXKXY-T 데이터 시트보기 (PDF) - Maxim Integrated
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MAX8940EXKXY-T Datasheet PDF : 9 Pages
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Low-Noise, High PSRR,
Low-Dropout, 120mA Linear Regulator
Typical Operating Characteristics (continued)
(VIN = VOUT + 0.5V, CIN = 1µF, COUT = 1µF, CBP = 10nF, TA = +25°C, unless otherwise noted.)
DROPOUT VOLTAGE vs. LOAD CURRENT
150
TA = +85°C
120
TA = +25°C
90
60
TA = -40°C
30
0
0 20 40 60 80 100 120
LOAD CURRENT (mA)
GROUND PIN CURRENT vs. INPUT VOLTAGE
350
IOUT = 120mA
300
250
200
150
100
IOUT = 0mA
50
0
0
1
2
3
4
5
INPUT VOLTAGE (V)
GROUND PIN CURRENT vs. LOAD CURRENT
240
VIN = 5.5V
200
160
VIN = 3.8V
120
80
40
0
0 20 40 60 80 100 120
LOAD CURRENT (mA)
GROUND PIN CURRENT vs. TEMPERATURE
50
45
40
35
30
-40 -15
10
35
60
85
TEMPERATURE (°C)
OUTPUT NOISE
MAX8940 toc09
VIN = 3.8V
ILOAD = 10mA
VNOISE = 25µVRMS
PSRR vs. FREQUENCY
90
80
70
60
50
40
30
20
10 ILOAD = 10mA
CBP = 10nF
0
0.01 0.1
1
10 100 1000
FREQUENCY (kHz)
1.E+04
OUTPUT NOISE SPECTRAL DENSITY
vs. FREQUENCY
MAX8940 toc10
1.E+03
1.E+02
400µs/div
20µV/div
1.E+01
0.01
0.1
1
10 100 1000
FREQUENCY (kHz)
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