MIC24046 Datasheet, PDF (8/27 Pages) Micrel Semiconductor – Pin-Programmable, 4.5V − 19V, 5A Step-Down Converter

Micrel, Inc.
Typical Characteristics (Continued)
V_VIN = V_VINLDO = 12V; C_VDDA= 2.2µF, C_VDDP = 2.2µF, T_A = 25°C, unless otherwise noted.
MIC24046
Efficiency (VIN = 12V)
vs. Output Current
100
90
80
70
60
50
40
0
V_IN = 12V
L = 2.2µH
VVVVVVVVV_{OOOOOOOOOUUUUUUUUUTTTTTTTTT}
=
=
=
=
=
=
=
=
=
3.3V
2.5V
1.8V
1.5V
1.2V
1.0V
0.9V
0.8V
0.7V
1
2
3
4
5
6
OUTPUT CURRENT (A)
Efficiency (VIN = 5.0V)
vs. Output Current
100
90
80
70
60
50
40
0
V_IN = 5.0V
L = 2.2µH
VVVVVVVVV_{OOOOOOOOOUUUUUUUUUTTTTTTTTT}
=
=
=
=
=
=
=
=
=
3.3V
2.5V
1.8V
1.5V
1.2V
1.0V
0.9V
0.8V
0.7V
1
2
3
4
5
6
OUTPUT CURRENT (A)
Output Voltage (V_OUT = 0.9V)
vs. Output Current
0.91
0.905
0.9
0.895
0.89
0.885
0.88
0
V_IN = 12V
V_OUT = 0.9V
1
2
3
4
5
OUTPUT CURRENT (A)
Output Voltage (V_OUT = 1.0V)
vs. Output Current
1.01
1.005
1
0.995
0.99
0.985
0.98
0
V_IN = 12V
V_OUT = 1.0V
1
2
3
4
5
OUTPUT CURRENT (A)
Output Voltage (V_OUT = 1.2V)
vs. Output Current
1.21
1.205
1.2
1.195
1.19
1.185
1.18
0
V_IN = 12V
V_OUT = 1.2V
1
2
3
4
5
OUTPUT CURRENT (A)
Output Voltage (V_OUT = 1.5V)
vs. Output Current
1.52
1.515
1.51
1.505
1.5
1.495
1.49
1.485
1.48
0
V_IN = 12V
V_OUT = 1.5V
1
2
3
4
5
OUTPUT CURRENT (A)
Output Voltage (V_OUT = 1.8V)
vs. Output Current
1.82
1.815
1.81
1.805
1.8
1.795
1.79
1.785
1.78
0
V_IN = 12V
V_OUT = 1.8V
1
2
3
4
5
OUTPUT CURRENT (A)
Output Voltage (V_OUT = 2.5V)
vs. Output Current
2.52
2.51
2.5
2.49
2.48
2.47
2.46
2.45
0
V_IN = 12V
V_OUT = 2.5V (2.49V)
1
2
3
4
5
OUTPUT CURRENT (A)
Output Voltage (V_OUT = 3.3V)
vs. Output Current
3.33
3.32
3.31
3.3
3.29
3.28
3.27
3.26
0
V_IN = 12V
V_OUT = 3.3V
1
2
3
4
5
OUTPUT CURRENT (A)
October 14, 2015
8
Revision 1.1