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MIC28511 Datasheet(PDF) 4 Page - Micrel Semiconductor

Part # MIC28511
Description  60V/3A Synchronous Buck Regulator
PDF  10 Pages
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Manufacturer  MICREL [Micrel Semiconductor]
Direct Link  http://www.micrel.com
Logo MICREL - Micrel Semiconductor

MIC28511 Datasheet(HTML) 4 Page - Micrel Semiconductor

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Micrel, Inc.
MIC28511 Evaluation Board
April 9, 2015
4
Revision 1.0
Typical Characteristics
10
20
30
40
50
60
70
80
90
100
0.01
0.1
1
10
OUTPUT CURRENT (A)
Efficiency (VIN =12V)
vs. Output Current MIC28511-1
5.0V
3.3V
2.5V
f
SW = 300kHz
10
20
30
40
50
60
70
80
90
100
0.01
0.1
1
10
OUTPUT CURRENT (A)
Efficiency (VIN = 24V)
vs. Output Current MIC28511-1
f
SW = 300kHz
5.0V
3.3V
2.5V
10
20
30
40
50
60
70
80
90
100
0.01
0.1
1
10
OUTPUT CURRENT (A)
Efficiency (VIN = 48V)
vs. Output Current MIC28511-1
f
SW = 300kHz
5.0V
3.3V
2.5V
0.0
0.5
1.0
1.5
2.0
2.5
3.0
3.5
25
40
55
70
85
100
AMBIENT TEMPERATURE (°C)
12V Input Thermal Derating
MIC28511-1
5.0V
3.3V
V
IN =12V
f
SW = 300kHz
T
JMAX =125°C
θ
JA = 30°C/W
2.5V
0.0
0.5
1.0
1.5
2.0
2.5
3.0
3.5
25
40
55
70
85
100
AMBIENT TEMPERATURE (°C)
24V Input Thermal Derating
MIC28511-1
5.0V
3.3V
2.5V
V
IN =24V
f
SW = 300kHz
T
JMAX =125°C
θ
JA = 30°C/W
0.0
0.5
1.0
1.5
2.0
2.5
3.0
3.5
25
40
55
70
85
100
AMBIENT TEMPERATURE (°C)
48V Input Thermal Derating
MIC28511-1
3.3V
2.5V
V
IN = 48V
f
SW = 300kHz
T
JMAX = 125°C
θ
JA = 30°C/W
5.0V
0.0
0.2
0.4
0.6
0.8
1.0
1.2
0
0.5
1
1.5
2
2.5
3
OUTPUT CURRENT (A)
IC Power Dissipation
vs. Output Current MIC28511-1
V
IN = 12V
f
SW = 300kHz
5.0V
3.3V
2.5V
0.0
0.5
1.0
1.5
2.0
0
0.5
1
1.5
2
2.5
3
OUTPUT CURRENT (A)
IC Power Dissipation
vs. Output Current MIC28511-1
Vin =24V
f
SW = 300kHz
V
IN = 24V
f
SW = 300kHz
5.0V
3.3V
2.5V
0.0
0.5
1.0
1.5
2.0
2.5
3.0
0
0.5
1
1.5
2
2.5
3
OUTPUT CURRENT (A)
IC Power Dissipation
vs. Output Current MIC28511-1
Vin =24V
f
SW = 300kHz
V
IN = 48V
f
SW = 300kHz
3.3V
2.5V
5.0V



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