MC78PC00 Datasheet, PDF (11/16 Pages) ON Semiconductor – Low Noise 150 mA Low Drop Out(LDO) Linear Voltage Regulator

MC78PC00 Series
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
tr = tf = 5.0 ms
COUT = 4.7 mF (TANTALUM)
1.0
IOUT = 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
tr = tf = 5.0 ms
COUT = 6.8 mF (TANTALUM)
1.0
IOUT = 30 mA
2.8
0
0
20
40
60
80
100
120
t, TIME (ms)
Figure 42. 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
tr = tf = 5.0 ms
COUT = 10 mF (TANTALUM)
1.0
2.8
IOUT = 30 mA
0
0
20
40
60
80
100 120
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
CIN = 1.0 mf (TANTALUM)
COUT = 4.7 mF (TANTALUM)
–100
VIN = 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
CIN = 1.0 mf (TANTALUM)
COUT = 6.8 mF (TANTALUM)
–100
VIN = 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
3.4
150
3.3
100
OUTPUT CURRENT
3.2
50
3.1
0
3.0
OUTPUT VOLTAGE _–50
2.9
CIN = 1.0 mf (TANTALUM)
COUT = 10 mF (TANTALUM)
–100
VIN = 4.0 V
2.8
–150
0 2.0 4.0 6.0 8.0 10 12 14 16 18 20
t, TIME (ms)
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