NCV8184 Просмотр технического описания (PDF) - ON Semiconductor
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NCV8184 Datasheet PDF : 20 Pages
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NCV8184
TYPICAL PERFORMANCE CHARACTERISTICS
0.4
IOUT = 50 mA
0.3
0.2
0.1
0.0
−0.1
−0.2
−0.3
−40 −20
0 20 40 60 80 100 120
TEMPERATURE (°C)
1.0
0.8
0.6
0.4
0.2
0.0
−0.2
−0.4
−0.6
0
+125°C
+25°C
−40°C
10
20
30
40
50
OUTPUT CURRENT (mA)
60 70
Figure 2. Tracking Error vs. Temperature
Figure 3. Tracking Error vs. Output Current
50
VOUT = 5.0 V
45
40
35
30
Unstable Region
25
20
15
10
C2 = 10 mF
5
C2 = 0.1 mF
Stable Region
0
0
10 20
30 40
50
60 70
OUTPUT CURRENT (mA)
Figure 4. Output Stability with Capacitor Change
4.0
3.5
Stable Region
3.0
Unstable Region
2.5
2.0
1.5
1.0
Data is for 0.1 mF only. Capacitor
0.5 values 0.5 mF and above do not
exhibit instability with low ESR.
0.0
0
10 20
30 40
C2 = 0.1 mF
VOUT = 5.0 V
50
60
70
OUTPUT CURRENT (mA)
Figure 5. Output Stability with 0.1 mF at Low ESR
12
10
+125°C
8
+25°C
6
−40°C
4
2
0
0
10
20 30 40 50
60 70
OUTPUT CURRENT (mA)
Figure 6. Quiescent Current vs. Output Current
2.5
VREF / ENABLE = 5.0 V
2
1.5
IOUT = 20 mA
1
0.5
0
0
IOUT = 1 mA
5
10
15
20
25
INPUT VOLTAGE (V)
Figure 7. Quiescent Current vs. Input Voltage
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