MIC45208 Datasheet, PDF (7/31 Pages) Micrel Semiconductor – 26V 10A DC-to-DC Power Module

Micrel, Inc.
Typical Characteristics (Continued)
Output Peak Current Limit
vs. Temperature
20
18
16
14
12
10
8
6
4
V_IN =12V
V_OUT = 1.8V
2
f_SW = 600kHz
R_LIM = 1.07kΩ
0
-50 -25 0
25 50 75 100 125
TEMPERATURE (°C)
Efficiency (V_IN = 5V)
vs. Output Current (MIC45208-1)
100
3.3V_OUT
90
2.5V_OUT
80
1.8V_OUT
1.5V_OUT
70
1.2V_OUT
1.0V_OUT
60
0.8V_OUT
50
40
30
20
f_SW = 600kHz
10
0
2
4
6
8 10 12 14
OUTPUT CURRENT (A)
MIC45208
Efficiency (V_IN = 12V)
vs. Output Current (MIC45208-1)
100
5.0V_OUT
90
3.3V_OUT
80
2.5V_OUT
1.8V_OUT
70
1.5V_OUT
1.2V_OUT
60
1.0V_OUT
50
0.8V_OUT
40
30
20 _{fSW = 600kHz}
10
0
2
4
6
8 10 12 14
OUTPUT CURRENT (A)
Efficiency (V_IN = 24V)
vs. Output Current (MIC45208-1)
100
5.0V_OUT
90
3.3V_OUT
80
2.5V_OUT
1.8V_OUT
70
1.5V_OUT
1.2V_OUT
60
1.0V_OUT
50
0.8V_OUT
40
30
20
f_SW = 600kHz
10
0
2
4
6
8 10 12 14
OUTPUT CURRENT (A)
Efficiency (V_IN = 5V)
vs. Output Current (MIC45208-2)
100
3.3V_OUT
90
2.5V_OUT
80
1.8V_OUT
1.5V_OUT
70
1.2V_OUT
1.0V_OUT
60
0.8V_OUT
50
40
30
20
f_SW = 600kHz
10
0
2
4
6
8 10 12 14
OUTPUT CURRENT (A)
Efficiency (V_IN = 12V)
vs. Output Current (MIC45208-2)
100
5.0V_OUT
90
3.3V_OUT
80
2.5V_OUT
1.8V_OUT
70
1.5V_OUT
60
1.2V_OUT
1.0V_OUT
50
0.8V_OUT
40
30
20
10
0
f_SW = 600kHz/200kHz
2
4
6
8 10 12 14
OUTPUT CURRENT (A)
Efficiency (V_IN = 24V)
vs. Output Current (MIC45208-2)
100
5.0V_OUT
90
3.3V_OUT
80
2.5V_OUT
1.8V_OUT
70
1.5V_OUT
1.2V_OUT
60
1.0V_OUT
50
0.8V_OUT
40
30
f_SW = 600kHz
20
10
0
2
4
6
8 10 12 14
OUTPUT CURRENT (A)
2.00
1.95
1.90
1.85
1.80
1.75
1.70
1.65
1.60
1.55
1.50
0.00
Load Regulation
vs. Input Voltage
V_OUT = 1.8V
2.00 4.00 6.00 8.00 10.00 12.00
OUTPUT CURRENT (A)
Line Regulation
2.1
2.0
1.9
1.8
1.7
1.6
1.5
4.5
V_OUT = 1.8V
I_OUT = 10A
8.8
13.1
17.4
21.7
26.0
INPUT VOLTAGE (V)
May 29, 2014
7
Revision 1.2