MIC2103 Datasheet, PDF (7/36 Pages) Micrel Semiconductor – 75V, Synchronous Buck Controllers featuring Adaptive On-Time Control

Micrel, Inc.
Typical Characteristics (Continued)
Line Regulation
vs. Output Current (MIC2103)
0.3%
0.2%
0.1%
0.0%
-0.1%
-0.2%
V_IN = 12V to 75V
V_OUT = 5.0V
-0.3%
0 1 2 3 4 5 6 7 8 9 10
OUTPUT CURRENT (A)
Efficiency (V_IN =12V)
100 ^{vs. Output Current (MIC2103)}
90
5.0V
3.3V
80
2.5V
70
1.8V
1.2V
60
0.8V
50
40
30
20
10
f_SW = 200kHz (CCM)
0
0 1 2 3 4 5 6 7 8 9 10 11 12 13 14
OUTPUT CURRENT (A)
Efficiency (V_IN = 24V)
100 ^{vs. Output Current (MIC2103)}
90
5.0V
80
3.3V
70
2.5V
1.8V
60
1.2V
0.8V
50
40
30
20
10
f_SW = 200kHz (CCM)
0
0 1 2 3 4 5 6 7 8 9 10 11 12 13 14
OUTPUT CURRENT (A)
Efficiency (V_IN = 38V)
100 ^{vs. Output Current (MIC2103)}
90
5.0V
80
3.3V
70
2.5V
1.8V
60
1.2V
0.8V
50
40
30
20
10
f_SW = 200kHz (CCM)
0
0 1 2 3 4 5 6 7 8 9 10 11 12 13 14
OUTPUT CURRENT (A)
Efficiency (V_IN = 75V)
100 ^{vs. Output Current (MIC2103)}
90
80
5.0V
3.3V
70
2.5V
60
1.8V
1.2V
50
0.8V
40
30
20
10
f_SW = 200kHz (CCM)
0
0 1 2 3 4 5 6 7 8 9 10 11 12 13 14
OUTPUT CURRENT (A)
MIC2103/04
Efficiency (V_IN = 18V)
vs. Output Current (MIC2103)
100
90
5.0V
3.3V
80
2.5V
70
1.8V
1.2V
60
0.8V
50
40
30
20
10
f_SW = 200kHz (CCM)
0
0 1 2 3 4 5 6 7 8 9 10 11 12 13 14
OUTPUT CURRENT (A)
Efficiency (V_IN = 48V)
100 ^{vs. Output Current (MIC2103)}
90
80
5.0V
3.3V
70
2.5V
1.8V
60
1.2V
50
0.8V
40
30
20
10
f_SW = 200kHz (CCM)
0
0 1 2 3 4 5 6 7 8 9 10 11 12 13 14
OUTPUT CURRENT (A)
August 2012
7
M9999-080712-A