MC33275, NCV33275
200
150
100
50
70
60
7
6
5
4
3
2
7
6
5
4
3
2
T = 25° C
T = 25° C
A
A
C = 0.47 ꢀ F
C = 33 ꢀ F
L
I = 10 mA
L
I = 10 mA
V
V
in
in
L
L
50
40
30
20
10
0
V
out
= 3.3 V
V
out
= 3.3 V
0
V
out
−50
−100
1
0
1
0
V
out
−10
−20
200
0
20
40
60
80 100 120 140 160 180 200
0
50
100
150
TIME (ꢀ S)
TIME (ꢀ S)
Figure 2. Line Transient Response
Figure 3. Line Transient Response
1.0
0.8
0.6
0.4
0.2
350
250
300
200
100
0
0.14
0.09
LOAD
CURRENT
150
LOAD CURRENT
50
−50
0.04
−100
−200
−300
−150
−250
−350
−450
−550
0
−0.01
−0.06
−0.11
−0.16
−0.2
−0.4
−0.6
−0.8
−1.0
V
out
C = 33.0 ꢀF
L
C = 1.0 ꢀ F
L
V
out
CHANGE
V
out
= 3.3 V
−400
−500
−600
−700
V
out
= 3.3 V
CHANGE
T = 25° C
A
V = 4.3 V
T = 25° C
A
V = 4.3 V
in
in
−650
−750
0
50
100
150
200
250
300
350 400
0
50
100
150
200
250
300
TIME (ꢀ S)
TIME (ꢀ S)
Figure 5. Load Transient Response
Figure 4. Load Transient Response
300
250
200
150
100
3.5
3.0
2.5
2.0
1.5
1.0
I = 1 mA
L
I = 250 mA
L
50
0
0.5
0
1
10
100
1000
0
0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0
I , OUTPUT CURRENT (mA)
O
INPUT VOLTAGE (V)
Figure 6. Output Voltage versus Input Voltage
Figure 7. Dropout Voltage versus Output Current
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