MIC24053 Datasheet, PDF (7/32 Pages) Micrel Semiconductor – 12V, 9A High-Efficiency Buck Regulator

MIC24053
2.0 TYPICAL PERFORMANCE CURVES
Note:
The graphs and tables provided following this note are a statistical summary based on a limited number of
samples and are provided for informational purposes only. The performance characteristics listed herein
are not tested or guaranteed. In some graphs or tables, the data presented may be outside the specified
operating range (e.g., outside specified power supply range) and therefore outside the warranted range.
25
0.808
20
15
10
5
V_OUT = 1.8V
I_OUT = 0A
SWITCHING
0
4
7
10
13
16
19
INPUT VOLTAGE (V)
FIGURE 2-1:
V_IN Operating Supply
Current vs. Input Voltage.
0.804
0.800
0.796
0.792
4
FIGURE 2-4:
Voltage.
V_OUT = 1.8V
I_OUT = 0A
7
10
13
16
19
INPUT VOLTAGE (V)
Feedback Voltage vs. Input
60
V_EN = 0V
R_EN = OPEN
45
0.2%
0.1%
30
0.0%
15
0
4
7
10
13
16
19
INPUT VOLTAGE (V)
FIGURE 2-2:
Input Voltage.
V_IN Shutdown Current vs.
10
8
6
4
2
V_FB = 0.8V
I_DD = 10mA
0
4
7
10
13
16
19
INPUT VOLTAGE (V)
FIGURE 2-3:
Input Voltage.
V_DD Output Voltage vs.
-0.1%
-0.2%
4
FIGURE 2-5:
Voltage.
V_OUT = 1.8V
I _OUT = 0A to 9A
7
10
13
16
19
INPUT VOLTAGE (V)
Total Regulation vs. Input
20
15
10
5
V_OUT = 1.8V
0
4
7
10
13
16
19
INPUT VOLTAGE (V)
FIGURE 2-6:
Input Voltage.
Output Current Limit vs.
 2015 Microchip Technology Inc.
DS20005668A-page 7