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LMZ14203EXT
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SNVS666F – JUNE 2010 – REVISED OCTOBER 2013
Typical Performance Characteristics (continued)
Unless otherwise specified, the following conditions apply: V IN = 24V; Cin = 10uF X7R Ceramic; C O = 100uF X7R Ceramic;
Tambient = 25 C for efficiency curves and waveforms.
3.36
Line and Load Regulation @ 25°C
3.36
3.34
Line and Load Regulation @ 85C
42
36
3.34
3.32
15 20
36
42
8
3.32
3.30
20
15
12
8
6
25°C
12
6
3.28
85°C
3.30
0
0.5
1
1.5
2
2.5
3
3.26
0
0.5
1
1.5
2
2.5
3
OUTPUT CURRENT (A)
Figure 21.
OUTPUT CURRENT (A)
Figure 22.
Output Ripple
3.36
3.34
3.32
Line and Load Regulation @ –55°C
42
36
20
15
12
24V IN 3.3V O 3A, BW = 200 MHz
8
3.30
3.28
-55°C
6
3.26
0
0.5
1
1.5
2
2.5
3
OUTPUT CURRENT (A)
Figure .
Transient Response
24V IN 3.3V O 0.6A to 3A Step
3.5
Figure 23.
Thermal Derating V OUT = 3.3V
3
2.5
2
36V IN
6Vin
12Vin
1.5
1
24Vin
JA = 19.6°C/W
12Vin
6Vin
0.5
V OUT = 3.3V
0
50
60
70
80
90
100 110 120
AMBIENT TEMPERATURE (°C)
Figure 24.
Figure 25.
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