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MIC45212 Datasheet, PDF (7/31 Pages) Micrel Semiconductor – 26V/14A DC-to-DC Power Module
◁
Micrel, Inc.
Typical Characteristics (Continued)
20
18
16
14
12
10
8
6
4
2
0
-50
Output Peak Current Limit
vs. Temperature
VIN =12V
VOUT = 1.8V
fSW = 600kHz
RILIM = 1.69kΩ
-25 0 25 50 75 100 125
TEMPERATURE (°C)
Efficiency vs. Output Current
(MIC45212-1, VIN = 5V)
100
3.3VOUT
90
2.5VOUT
80
1.8VOUT
70
1.5VOUT
1.2VOUT
60
1.0VOUT
50
0.8VOUT
40
30
20
fSW = 600kHz
10
0 2 4 6 8 10 12 14 16 18 20
OUTPUT CURRENT (A)
Efficiency vs. Output Current
(MIC45212-1, VIN = 24V)
100
5.0VOUT
90
3.3VOUT
80
2.5VOUT
70
1.8VOUT
1.5VOUT
60
1.2VOUT
50
1.0VOUT
40
0.8VOUT
30
20
fSW = 600kHz
10
0 2 4 6 8 10 12 14 16 18 20
OUTPUT CURRENT (A)
Efficiency vs. Output Current
(MIC45212-2, VIN = 5V)
100
3.3VOUT
90
2.5VOUT
80
1.8VOUT
1.5VOUT
70
1.2VOUT
60
1.0VOUT
50
0.8VOUT
40
30
20
fSW = 600kHz
10
0 2 4 6 8 10 12 14 16 18 20
OUTPUT CURRENT (A)
Efficiency vs. Output Current
(MIC45212-2, VIN = 24V)
100
5.0VOUT
90
3.3VOUT
80
2.5VOUT
70
1.8VOUT
60
1.5VOUT
1.2VOUT
50
1.0VOUT
40
0.8VOUT
30
20
fSW = 600kHz
10
0 2 4 6 8 10 12 14 16 18 20
OUTPUT CURRENT (A)
IC Power Dissipation
vs. Output Current
5
VIN = 5V
4.5 fSW = 600kHz
4
3.5
3.3VOUT
3
2.5VOUT
2.5
1.8VOUT
2
1.5
1
0.5
0
0
0.8VOUT
1.0VOUT
1.2VOUT
1.5VOUT
2
4
6
8 10 12 14
OUTPUT CURRENT (A)
MIC45212
Efficiency vs. Output Current
(MIC45212-1, VIN = 12V)
100
5.0VOUT
90
3.3VOUT
80
2.5VOUT
70
1.8VOUT
1.5VOUT
60
1.2VOUT
50
1.0VOUT
40
0.8VOUT
30
20
10
fSW = 600kHz
0 2 4 6 8 10 12 14 16 18 20
OUTPUT CURRENT (A)
Efficiency vs. Output Current
(MIC45212-2, VIN = 12V)
100
5.0VOUT
90
3.3VOUT
80
2.5VOUT
1.8VOUT
70
1.5VOUT
60
1.2VOUT
1.0VOUT
50
0.8VOUT
40
30
20
fSW = 600kHz
10
0 2 4 6 8 10 12 14 16 18 20
OUTPUT CURRENT (A)
IC Power Dissipation
vs. Output Current
7
VIN = 12V
6 fSW = 600kHz
5.0VOUT
5
3.3VOUT
4
2.5VOUT
1.8VOUT
3
2
0.8VOUT
1.0VOUT
1
1.2VOUT
1.5VOUT
0
0
2
4
6
8
10 12 14
OUTPUT CURRENT (A)
April 28, 2014
7
Revision-1.0
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