MC33269D Просмотр технического описания (PDF) - Motorola => Freescale
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MC33269D Datasheet PDF : 8 Pages
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Figure 1. Dropout Voltage versus
Output Load Current
1.5
1.3
1.1 TA = 25°C
0.9
TA = –40°C
TA = 125°C
0.7
0.5
0
200
400
600
800
IO, OUTPUT LOAD CURRENT (mA)
MC33269
1000
Figure 2. Transient Load Regulation
Cin = 10 µF
CO = 10 µF Tantalum
Vin = VO + 3.0 V
Preload = 0.1 A
100
mV/Div
0.5 A
0A
20 ms/DIV
Figure 3. Dropout Voltage
versus Temperature
1100
IO = 800 mA
1060
1020
980
940
900
–55 –25
0
25
50
75 100 125
TA, AMBIENT TEMPERATURE (°C)
Figure 4. MC33269–XX Output DC Current versus
Input–Output Differential Voltage
1.6
1.4
1.2
1.0
TA = 25°C
0.8
MC33269D–XX
L = 25 mm Copper
0.6
0.4
0.2
0
0
2.0 4.0 6.0 8.0 10
12 14 16
INPUT–OUTPUT VOLTAGE DIFFERENTIAL (V)
Figure 5. MC33269 Ripple Rejection
versus Frequency
70
VO = 3.3 V or 5.0 V
60
VO = 12 V
50
40
Vin = VO + 3.0 V
IL = 800 mA
TA = 25°C
30
20
0.1
1.0
10
100
f, FREQUENCY (kHz)
Figure 6. MC33269–ADJ Ripple Rejection
versus Frequency
70
60
50
Vin = 8.0 V
Vout = 5.0 V
40
IL = 800 mA
CAdj = 22 µF
TA = 25°C
30
20
0.1
1.0
10
100
f, FREQUENCY (kHz)
4
MOTOROLA ANALOG IC DEVICE DATA
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