NCV4276B(2010) Просмотр технического описания (PDF) - ON Semiconductor
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NCV4276B Datasheet PDF : 12 Pages
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NCV4276B
TYPICAL PERFORMANCE CHARACTERISTICS
100
Unstable Region
10
1
Stable Region
CQ = 22 mF for these
Output Voltages
12 V
6V
2.5 V
0.1
0.01
0
Unstable Region
Cb capacitor not connected
50 100 150 200 250 300 350 400
OUTPUT CURRENT (mA)
Figure 3. Output Stability with Output Capacitor ESR
2.55
2.54
2.53
2.52
2.51
2.50
2.49
2.48
2.47
2.46
2.45
−40
4
3.5
3
2.5
2
1.5
1
0.5
0
0
VI = 13.5 V, RL = 1 kW
0
40
80
120
160
TJ, JUNCTION TEMPERATURE (°C)
Figure 4. Output Voltage vs. Junction
Temperature
TJ = 25°C
RL = 20 W
2
4
6
8
10
VI, INPUT VOLTAGE (V)
Figure 6. Low Voltage Behavior
5.0
4.5
TJ = 25°C
RL = 20 W
4.0
3.5
3.0
2.5
2.0
1.5
1.0
0.5
0
0
10
20
30
40
50
VI, INPUT VOLTAGE (V)
Figure 5. Current Consumption vs. Input Voltage
2
0
−2
−4
−6
−8
−10
−12
−14
−16
−18
−50
TJ = 25°C
RL = 6.8 kW
−25
0
25
50
VI, INPUT VOLTAGE (V)
Figure 7. High Voltage Behavior
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