MC78PC00_05 Datasheet, PDF (11/16 Pages) ON Semiconductor – Low Noise 150 mA Low Drop Out (LDO) Linear Voltage Regulator

MC78PC00 Series
3.4
6.0
3.3
5.0
INPUT VOLTAGE
3.2
4.0
3.1
3.0
OUTPUT VOLTAGE
3.0
2.0
2.9
t_r = t_f = 5.0 ms
C_OUT = 4.7 mF (TANTALUM)
1.0
I_OUT = 30 mA
2.8
0
0
20
40
60
80
100
120
t, TIME (ms)
Figure 40. MC78PC30 Line Transient Response
3.4
6.0
3.3
5.0
INPUT VOLTAGE
3.2
4.0
3.1
3.0
OUTPUT VOLTAGE
3.0
2.0
2.9
t_r = t_f = 5.0 ms
C_OUT = 6.8 mF (TANTALUM)
1.0
I_OUT = 30 mA
2.8
0
0
20
40
60
80
100
120
t, TIME (ms)
Figure 41. MC78PC30 Line Transient Response
3.4
6.0
3.3
5.0
INPUT VOLTAGE
3.2
4.0
3.1
3.0
OUTPUT VOLTAGE
3.0
2.0
2.9
t_r = t_f = 5.0 ms
C_OUT = 10 mF (TANTALUM)
1.0
I_OUT = 30 mA
2.8
0
0
20
40
60
80
100 120
t, TIME (ms)
Figure 42. MC78PC30 Line Transient Response
3.4
150
3.3
100
OUTPUT CURRENT
3.2
50
3.1
0
3.0
OUTPUT VOLTAGE _−50
2.9
C_IN = 1.0 mf (TANTALUM)
C_OUT = 4.7 mF (TANTALUM)
−100
V_IN = 4.0 V
2.8
−150
0 2.0 4.0 6.0 8.0 10 12 14 16 18 20
t, TIME (ms)
Figure 43. MC78PC30 Load Transient Response
3.4
150
3.3
100
OUTPUT CURRENT
3.2
50
3.1
0
3.0
OUTPUT VOLTAGE _−50
2.9
C_IN = 1.0 mf (TANTALUM)
C_OUT = 6.8 mF (TANTALUM)
−100
V_IN = 4.0 V
2.8
−150
0 2.0 4.0 6.0 8.0 10 12 14 16 18 20
t, TIME (ms)
Figure 44. MC78PC30 Load Transient Response
3.4
150
3.3
100
OUTPUT CURRENT
3.2
50
3.1
0
3.0
OUTPUT VOLTAGE _−50
2.9
C_IN = 1.0 mf (TANTALUM)
C_OUT = 10 mF (TANTALUM)
−100
V_IN = 4.0 V
2.8
−150
0 2.0 4.0 6.0 8.0 10 12 14 16 18 20
t, TIME (ms)
Figure 45. MC78PC30 Load Transient Response
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