MIC4930 Datasheet, PDF (7/24 Pages) Micrel Semiconductor – Hyper Speed Control 3A Buck Regulator

3.0
2.0
1.0
0.0
-1.0
-2.0
4.50
FIGURE 2-7:
Voltage.
V_OUT = 1.8V
I_OUT = 0A
4.75
5.00
5.25
5.50
INPUT VOLTAGE (V)
Line Regulation vs. Input
3.0
2.0
1.0
0.0
-1.0
-2.0
2.7
FIGURE 2-8:
Voltage.
3.0
V_OUT = 1.8V
I_OUT = 1A
3.0
3.3
3.6
INPUT VOLTAGE (V)
Line Regulation vs. Input
2.0
1.0
0.0
-1.0
-2.0
4.50
FIGURE 2-9:
Voltage.
V_OUT = 1.8V
I_OUT = 1A
4.75
5.00
5.25
5.50
INPUT VOLTAGE (V)
Line Regulation vs. Input
MIC4930
.
4
3
V_FB > 1.2 x V_FB(NOM)
I_OUT = 0A
2
1
0
2.5 3.0
FIGURE 2-10:
Voltage.
.
1.82
3.5
4.0
4.5
5.0
5.5
INPUT VOLTAGE (V)
Quiescent Current vs. Input
1.81
V_IN = 3.3V
V_OUT = 1.8V
1.80
1.79
1.78
1.77
0.0 0.5 1.0 1.5 2.0 2.5 3.0
OUTPUT CURRENT (A)
FIGURE 2-11:
Output Voltage (V_IN = 3.3V)
vs. Output Current.
2.52
2.51
2.50
V_IN = 5V
V_OUT = 2.5V
2.49
2.48
2.47
2.46
0.0 0.5 1.0 1.5 2.0 2.5 3.0
OUTPUT CURRENT (A)
FIGURE 2-12:
Output Voltage (V_IN = 5V)
vs. Output Current.
 2016 Microchip Technology Inc.
DS20005669A-page 7