NCP553 查看數據表（PDF） - ON Semiconductor
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NCP553 Datasheet PDF : 10 Pages
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NCP552, NCP553, NCV553
1
0.9 Vout(nom.) = 3.0 V
0.8
0.7
80 mA
0.6
0.5
0.4
40 mA
0.3
0.2
0.1
0
−50 −25
0
25 50
75 100 125
TEMPERATURE (_C)
Figure 3. Dropout Voltage versus Temperature
3.03
Vout(nom.) = 3.3 V
3.025 Iout = 5 mA
3.02
3.015
Vin = 12 V
Vin = 4 V
3.01
3.005
3
−60 −40 −20 0 20 40 60
TEMPERATURE (_C)
80 100
Figure 4. Output Voltage versus Temperature
3.25
3
Iout = 0 mA
Vin = 4 V
2.75
2.5
2.25
2
1.75
−60 −40 −20 0 20 40 60
TEMPERATURE (_C)
80 100
Figure 5. Quiescent Current versus Temperature
4.5
4
Vout(nom.) = 3 V
Iout = 0 mA
3.5
3
2.5
2
1.5
1
0.5
0
0
2
4
6
8
10
12
Vin, INPUT VOLTAGE (VOLTS)
Figure 6. Quiescent Current versus Input Voltage
4
3.5
3
2.5
2
1.5
1
0.5
0
10
6
5
4
10 mA
200
Iout = 1 mA
Cout = 1 mF
100
50 mA
0
−100
100
1000 10000 100000 1000000
0 0.5 1 1.5 2 2.5 3 3.5 4 4.5
FREQUENCY (Hz)
TIME (ms)
Figure 7. Output Noise Density
Figure 8. Line Transient Response
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