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