MIC2208_10 Datasheet, PDF (4/18 Pages) Micrel Semiconductor – 3mm x 3mm 1MHz 3A PWM Buck Regulator

Micrel, Inc.
Typical Characteristics
MIC2208
3.3V Efficiency
96
OUT
4.5V
94
IN
92
90
5V
IN _5.5V
IN
88
86
84
82
80
0 0.5 1 1.5 2 2.5 3
OUTPUT CURRENT (A)
MIC2208
1.8V Efficiency
OUT
95
93
3V
91
IN
89
87
85
83
3.3V
IN
3.6V
IN
81
79
77
75
0 0.5 1 1.5 2 2.5 3
OUTPUT CURRENT (A)
MIC2208
1.5V Efficiency
OUT
85
4.5V
83
IN
81
79
77
5V
IN
5.5V
IN
75
73
71
69
67
650 _{0.5 1 1.5 2 2.5 3}
OUTPUT CURRENT (A)
Load Regulation
1.010
1.008
1.006
1.004
1.002
1.000
0.998
0.996
0.994
0.992 3.3V
IN
0.9900 _{0.5 1 1.5 2 2.5 3}
OUTPUT CURRENT (A)
May 2010
MIC2208
1.8V Efficiency
90
OUT
88
4.5V
IN
86
84
82
5V
IN
80
78
76
74
72
70
0 0.5 1 1.5 2 2.5 3
OUTPUT CURRENT (A)
MIC2208
1.2V Efficiency
OUT
85
83
3V
IN
81
79 _3.3V
77
IN
3.6V
75
IN
73
71
69
67
650 _{0.5 1 1.5 2 2.5 3}
OUTPUT CURRENT (A)
1.0100
1.0080
1.0060
1.0040
1.0020
1.0000
0.9980
0.9960
0.9940
0.9920
0.9900
Feedback Voltage
vs. Temperature
3.3V
IN
TEMPERATURE (°C)
4
MIC2208
MIC2208
1.5V Efficiency
OUT
95
90
3V
IN
85
3.3V
80
IN _3.6V
IN
75
700 _{0.5 1 1.5 2 2.5 3}
OUTPUT CURRENT (A)
MIC2208
1.2V Efficiency
OUT
85
83
81
4.5V
79
IN
77
75
73
5V
IN
5.5V
IN
71
69
67
650 _{0.5 1 1.5 2 2.5 3}
OUTPUT CURRENT (A)
Feedback Voltage
vs. Temperature
1.20
1.15
1.10
1.05
1.00
0.95
0.90
0.85 _3.3V
IN
0.80
TEMPERATURE (°C)
M9999-051410-D