MIC4720 Datasheet, PDF (5/21 Pages) Micrel Semiconductor – 3mm x 3mm 2.0MHz 2A Integrated Switch Buck Regulator

Micrel, Inc.
Typical Characteristics
MIC4720
1.8V Efficiency
93
OUT
91
89
V = 3.0V
IN
87
85 _{V = 3.3V}
83
IN
81
V = 3.6V
79
IN
77
75
73
71
69
67
65
OUTPUT CURRENT (A)
MIC4720
2.5V Efficiency
95
OUT
90 V = 3.3V
IN
85
V = 3.6V
IN
80
75
70
OUTPUT CURRENT (A)
MIC4720
3.3V Efficiency
100
OUT
V = 4.5V
95
IN
90 _{V = 5.0V}
IN
85
V = 5.5V
IN
80
75
70
65
OUTPUT CURRENT (A)
MIC4720
1.2V Efficiency
OUT
85
83
V =3.0V
81
IN
79
V =3.3V
77
IN
75
V =3.6V
IN
73
71
69
67
65
OUTPUT CURRENT (A)
May 2007
MIC4720
1.8V Efficiency
OUT
90
V = 4.5V
IN
85
80
V = 5.0V
IN
V = 5.5V
IN
75
70
65
OUTPUT CURRENT (A)
MIC4720
1.5V Efficiency
90
OUT
V = 3.0V
85
IN
V = 3.3V
80 ^IN
75
V = 3.6V
IN
70
65
OUTPUT CURRENT (A)
MIC4720
1V Efficiency
80
OUT
V = 4.5V
75
IN
70
65
V = 5.0V
IN
V = 5.5V
IN
60
55
50
45
40
35
30
OUTPUT CURRENT (A)
MIC4720
1.2V Efficiency
OUT
80
V = 4.5V
78
IN
76
74
72
V = 5.0V
IN
V = 5.5V
IN
70
68
66
64
62
60
OUTPUT CURRENT (A)
5
MIC4720
MIC4720
2.5V Efficiency
95
OUT
V = 4.5V
IN
90
85
V = 5.0V
IN
V = 5.5V
IN
80
75
70
65
OUTPUT CURRENT (A)
MIC4720
1.5V Efficiency
85
OUT
83
V = 4.5V
IN
81
79
77
75
V = 5.0V
IN
V = 5.5V
IN
73
71
69
67
65
OUTPUT CURRENT (A)
MIC4720
1V Efficiency
85
OUT
80
V = 3.0V
IN
75
V = 3.3V
IN
70
V = 3.6V
IN
65
60
55
50
OUTPUT CURRENT (A)
1.0010
1.0008
1.0006
1.0004
1.0002
1.0000
0.9998
0.9996
0.9994
0.9992
0.99920.7
Line Regulation
3.2 3.7 4.2 4.7 5.2
SUPPLY VOLTAGE (V)
M9999-051707