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MIC28304 データシート(PDF) 13 Page - Micrel Semiconductor

部品番号 MIC28304
部品情報  70V 3A Power Module
PDF  39 Pages
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メーカー  MICREL [Micrel Semiconductor]
ホームページ  http://www.micrel.com
Logo MICREL - Micrel Semiconductor

MIC28304 データシート(HTML) 13 Page - Micrel Semiconductor

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Micrel, Inc.
MIC28304
Typical Characteristics (Continued)
* Case Temperature: The temperature measurement was taken at the hottest point on the MIC28304 case mounted on a 5 square inch PCB (see
Thermal Measurement section). Actual results will depend upon the size of the PCB, ambient temperature and proximity to other heat-emitting
components.
30
40
50
60
70
80
90
100
0
0.5
1
1.5
2
2.5
3
3.5
4
OUTPUT CURRENT (A)
Efficiency (VIN = 70V)
vs. Output Current (MIC28304-2)
5.0V
3.3V
2.5V
1.8V
1.2V
0.8V
F
SW = 600kHz
0
20
40
60
80
100
120
140
0.0
0.5
1.0
1.5
2.0
2.5
3.0
OUTPUT CURRENT (A)
Die Temperature* (VIN = 12V)
vs. Output Current (MIC28304-2)
VIN = 12V
V
OUT = 5.0V
F
SW = 600kHz
0
20
40
60
80
100
120
140
0.0
0.5
1.0
1.5
2.0
2.5
3.0
OUTPUT CURRENT (A)
Die Temperature* (VIN = 48V)
vs. Output Current (MIC28304-2)
VIN = 48V
V
OUT = 5.0V
F
SW = 600kHz
`
0
20
40
60
80
100
120
140
0.0
0.5
1.0
1.5
2.0
2.5
3.0
OUTPUT CURRENT (A)
Die Temperature* (VIN = 70V)
vs. Output Current (MIC28304-2)
VIN = 70V
V
OUT = 5.0V
F
SW = 600kHz
0
100
200
300
400
500
600
700
800
10.00
100.00
1000.00
10000.00
R19 (k Ohm)
Switching Frequency
V
OUT = 5V
I
OUT = 2A
VIN =48V
VIN = 12V
0
0.5
1
1.5
2
2.5
0
1
2
3
OUTPUT CURRENT (A)
IC Power Dissipation
vs. Output Current (MIC28304-2)
VIN = 12V
F
SW = 600kHz
V
OUT = 5V
V
OUT = 0.8V
V
OUT = 5V, 3.3V, 2.5V, 1.8V, 1.2V, 0.8V
0
0.5
1
1.5
2
2.5
3
3.5
0
1
2
3
OUTPUT CURRENT (A)
IC Power Dissipation
vs. Output Current (MIC28304-2)
VIN = 24V
F
SW = 600kHz
V
OUT = 5V
V
OUT = 0.8V
V
OUT = 5V, 3.3V, 2.5V, 1.8V, 1.2V, 0.8V
0
1
2
3
4
5
6
0
1
2
3
OUTPUT CURRENT (A)
IC Power Dissipation
vs. Output Current (MIC28304-2)
VIN = 48V
F
SW = 600kHz
V
OUT = 5V
V
OUT = 0.8V
V
OUT = 5V, 3.3V, 2.5V, 1.8V, 1.2V, 0.8V
0
1
2
3
4
5
6
7
8
9
0
1
2
3
OUTPUT CURRENT (A)
IC Power Dissipation
vs. Output Current (MIC28304-2)
VIN = 70V
F
SW = 600kHz
V
OUT = 5V
V
OUT = 0.8V
V
OUT = 5V, 3.3V, 2.5V, 1.8V, 1.2V, 0.8V
March 25, 2014
13
Revision 1.1



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