MC78PC00 Series
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9
80
0.1
RR, RIPPLE REJECTION (dB)
f, FREQUENCY (kHz)
1.0 10 100
70
60
50
40
30
20
10
0
V
IN
= 4.0 V
DC
+ 0.5 V
p−p
C
OUT
= 4.7 mF
I
OUT
= 1.0 mA
I
OUT
= 30 mA
I
OUT
= 50 mA
80
0.1
RR, RIPPLE REJECTION (dB)
f, FREQUENCY (kHz)
1.0 10 100
70
60
50
40
30
20
10
0
V
IN
= 4.0 V
DC
+ 0.5 V
p−p
C
OUT
= 10 mF
I
OUT
= 1.0 mA
I
OUT
= 30 mA
I
OUT
= 50 mA
80
0.1
RR, RIPPLE REJECTION (dB)
f, FREQUENCY (kHz)
1.0 10 100
70
60
50
40
30
20
10
0
V
IN
= 5.0 V
DC
+ 0.5 V
p−p
C
OUT
= 4.7 mF
I
OUT
= 1.0 mA
I
OUT
= 30 mA
I
OUT
= 50 mA
80
0.1
RR, RIPPLE REJECTION (dB)
f, FREQUENCY (kHz)
1.0 10 100
70
60
50
40
30
20
10
0
V
IN
= 5.0 V
DC
+ 0.5 V
p−p
C
OUT
= 10 mF
I
OUT
= 1.0 mA
I
OUT
= 30 mA
I
OUT
= 50 mA
80
0.1
RR, RIPPLE REJECTION (dB)
f, FREQUENCY (kHz)
Figure 29. MC78PC18 Ripple Rejection
versus Frequency
1.0 10 100
70
60
50
40
30
20
10
0
V
IN
= 2.8 V
DC
+ 0.5 V
p−p
C
OUT
= 1.0 mF
I
OUT
= 1.0 mA
I
OUT
= 30 mA
I
OUT
= 50 mA
80
0.1
RR, RIPPLE REJECTION (dB)
f, FREQUENCY (kHz)
Figure 30. MC78PC18 Ripple Rejection
versus Frequency
1.0 10 10
70
60
50
40
30
20
10
0
V
IN
= 2.8 V
DC
+ 0.5 V
p−p
C
OUT
= 1.0 mF
I
OUT
= 1.0 mA
I
OUT
= 30 mA
I
OUT
= 50 mA
Figure 31. MC78PC30 Ripple Rejection
versus Frequency
Figure 32. MC78PC30 Ripple Rejection
versus Frequency
Figure 33. MC78PC40 (4.0 V) Ripple
Rejection versus Frequency
Figure 34. MC78PC40 (4.0 V) Ripple
Rejection versus Frequency