MC33375 Datasheet, PDF (4/12 Pages) ON Semiconductor – LOW DROPOUT MICROPOWER VOLTAGE REGULATOR

MC33375
Figure 1. Line Transient Response
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)
70
60
50
40
30
20
10
0
–10
–20
200
Figure 3. Load Transient Response
300
1.0
200
0.8
100
LOAD CURRENT
0.6
0
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)
350
250
150
50
–50
–150
–250
–350
–450
–550
–650
–750
0
Figure 4. Load Transient Response
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
–0.16
50
100
150
200
250 300
TIME (mS)
Figure 5. Output Voltage versus Input Voltage
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. Dropout Voltage versus Output Current
300
250
200
150
100
50
0
1
10
100
1000
I_O, OUTPUT CURRENT (mA)
http://onsemi.com
4