MIC2111B Datasheet, PDF (10/35 Pages) Micrel Semiconductor – High-Performance, Multi-Mode, Step-Down Controller

Micrel, Inc.
Typical Characteristics (Continued)
Feedback Voltage
vs. Temperature
0.606
0.604
0.602
0.600
0.598
0.596
0.594
-50
0
50
100
150
TEMPERATURE(C)
V_CC Supply Current
vs. Switching Frequency
80
70
60
50
40
30
20
10
V_CC = 5V
0
0
0.5
1
1.5
2
2.5
SWITCHING FREQUENCY (MHz)
3
2.95
2.9
2.85
2.8
2.75
-50
V_CC UVLO
vs. Temperature
0
50
100
150
TEMPERATURE (˚C)
Switching Frequency
vs. Temperature
2.5
2.0
f_sw = 2MHz
1.5
1.0
0.5
0.0
-50
f_sw = 1MHz
f_sw = 500KHz
0
50
100
150
TEMPERATURE (˚C)
V_CC Quiescent Current
vs. V_CC Voltage
2.3
2.2
2.1
2
1.9
1.8
1.7
1.6
1.5
3
3.5
4
4.5
5
5.5
V_CC (V)
0.6
0.5
0.4
0.3
0.2
0.1
0
-50
PG Threshold
vs. Temperature
0
50
100
TEMPERATURE (˚C)
MIC2111B
V_CC Supply Current
vs. Temperature
1.75
1.70
1.65
1.60
1.55
1.50
-50
0
50
100
150
TEMPERATURE (˚C)
2.45
2.4
2.35
2.3
2.25
2.2
2.15
2.1
2.05
0.0
V_CC Quiescent Current
vs. Frequency
0.5
1.0
1.5
2.0
2.5
FREQUENCY (MHz)
PG Threshold
vs. V_CC
1
0.9
0.8
0.7
0.6
0.5
0.4
0.3
0.2
0.1
0
3
3.5
4
4.5
5
5.5
6
V_CC (V)
October 13, 2015
10
Revision 2.1