MAX872CPA 查看數據表（PDF） - Maxim Integrated
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MAX872CPA Datasheet PDF : 8 Pages
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10µA, Low-Dropout,
Precision Voltage References
Typical Operating Characteristics
(VIN = 3V (MAX872), VIN = 5V (MAX874), no load, TA = +25°C, unless otherwise noted.)
DROPOUT VOLTAGE
vs. SOURCE CURRENT
250
200
150
TA = +85°C
TA = +25°C
100
50
0
100
TA = -40°C
150
200
250
SOURCE CURRENT (µA)
SUPPLY CURRENT
vs. INPUT VOLTAGE
20
15
MAX874
10
5
MAX872
0
0 2 4 6 8 10 12 14 16 18 20
INPUT VOLTAGE (V)
MAX872
SUPPLY CURRENT vs. TEMPERATURE
20
NO LOAD
VIN = 20V
15
VIN = 10V
VIN = 5V
10
VIN = 3V
5
-50 -25 0 25 50 75 100
TEMPERATURE (°C)
MAX874
SUPPLY CURRENT vs. TEMPERATURE
25
MAX872
OUTPUT VOLTAGE vs. INPUT VOLTAGE
2.505
MAX874
OUTPUT VOLTAGE vs. INPUT VOLTAGE
4.100
20
VIN = 20V
2.503
15
VIN = 10V
2.500
VIN = 5V
10
2.498
4.098
4.096
4.094
4.092
5
-50 -25 0 25 50 75 100
TEMPERATURE (°C)
MAX872
LOAD REGULATION vs. TEMPERATURE
4
2.495
2 4 6 8 10 12 14 16 18 20
INPUT VOLTAGE (V)
MAX874
LOAD REGULATION vs. TEMPERATURE
5
4.090
4 6 8 10 12 14 16 18 20
INPUT VOLTAGE (V)
MAX872
OUTPUT VOLTAGE
vs. SOURCE CURRENT
2.502
3
2
SINKING 0µA TO -500µA
1
SOURCING 0µA TO 500µA
0
-50 -25 0
25 50 75 100
TEMPERATURE (°C)
4
2.501
3
SINKING 0µA TO -500µA
2.500
2
1
SOURCING 0µA TO 500µA
2.499
0
2.498
-50 -25 0 25 50 75 100
0.01
0.1
1
10
TEMPERATURE (°C)
SOURCE CURRENT (mA)
_______________________________________________________________________________________ 5
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