NCV4276(2011) Ver la hoja de datos (PDF) - ON Semiconductor
Número de pieza
componentes Descripción
Fabricante
NCV4276 Datasheet PDF : 26 Pages
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10
Unstable Region
1
Stable Region
0.1
NCV4276, NCV4276A
TYPICAL PERFORMANCE CHARACTERISTICS
CQ = 22 mF for all
Fixed Output Voltages
10
Unstable Region
Maximum ESR
for CQ = 22 mF
1
Stable Region
0.1
CQ = 10 mF for 3.3 V and
5 V Fixed Output Voltages
Maximum ESR
for CQ = 10 mF
0.01
0
50 100 150 200 250 300 350 400
OUTPUT CURRENT (mA)
Figure 5. Output Stability with Output Capacitor
ESR, 5.0 V, 3.3 V, 2.5 V and 1.8 V Regulator
10
Unstable Region
CQ = 10 mF for 1.8 V and
2.5 V Fixed Output Voltages
1
Stable Region
0.1
Maximum ESR
for CQ = 10 mF
Unstable Region
Minimum ESR
for CQ = 10 mF
0.01
0
50 100 150 200 250 300 350 400
OUTPUT CURRENT (mA)
Figure 7. Output Stability with Output Capacitor
ESR, 2.5 V and 1.8 V Regulator
0.01
0
50 100 150 200 250 300 350 400
OUTPUT CURRENT (mA)
Figure 6. Output Stability with Output Capacitor
ESR, 5.0 V and 3.3 V Regulator
100
Unstable Region
10
CQ = 22 mF for these
Output Voltages
1
Stable Region
6V
12 V
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 8. Output Stability with Output Capacitor
ESR, Adjustable Regulator
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6
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