MC33375_13 Datasheet, PDF (5/13 Pages) ON Semiconductor – 300 mA, Low Dropout Voltage Regulator with On/Off Control

MC33375, NCV33375 Series
7
200
T_A = 25° C
6 C_L = 0.47 mF
I_L = 10 mA
V_in
150
5 V_out = 3.3 V
100
4
50
3
0
2
V_out
1
-50
0
-100
0 20 40 60 80 100 120 140 160 180 200
TIME (mS)
Figure 2. Line Transient Response
7
T_A = 25° C
6 C_L = 33 mF
I_L = 10 mA
V_in
5 V_out = 3.3 V
4
3
2
1
V_out
0
0
50
100
150
TIME (mS)
Figure 3. Line Transient Response
70
60
50
40
30
20
10
0
-10
-20
200
300
1.0
200
0.8
100
LOAD
0.6
0
CURRENT
0.4
-100
0.2
-200
0
-300
-400
C_L = 1.0 mF
V_out = 3.3 V
-500 T_A = 25° C
V_out
CHANGE
-0.2
-0.4
-0.6
-600 ^{Vin = 4.3 V}
-0.8
-700
0
-1.0
50 100 150 200 250 300 350 400
TIME (mS)
Figure 4. Load Transient Response
350
250
150
50
-50
-150
-250
-350
-450
-550
-650
-750
0
0.14
LOAD CURRENT
0.09
0.04
V_out
CHANGE
-0.01
C_L = 33.0 mF
V_out = 3.3 V
-0.06
T_A = 25° C
V_in = 4.3 V
-0.11
50
100
150
200
250
TIME (mS)
Figure 5. Load Transient Response
-0.16
300
3.5
3.0
I_L = 1 mA
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)
Figure 6. Output Voltage versus Input Voltage
300
250
200
150
100
50
0
1
10
100
1000
I_O, OUTPUT CURRENT (mA)
Figure 7. Dropout Voltage versus Output Current
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