MIC4721 Datasheet, PDF (4/19 Pages) Micrel Semiconductor – 1.5A 2MHz Integrated Switch Buck Regulator

Micrel, Inc.
Typical Characteristics
3.3V_IN to 2.5V_O Efficiency
94
93
92
91
90
89
88
87
86
85
84
0 0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6
OUTPUT CURRENT (A)
3.3V_IN to 1.2V_O Efficiency
82
80
78
76
74
72
70
68
66
0 0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6
OUTPUT CURRENT (A)
5V_IN to 2.5V_O Efficiency
100
90
80
70
60
50
40
30
20
10
0
0 0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6
OUTPUT CURRENT (A)
5V_IN to 1.2V_O Efficiency
80
70
60
50
40
30
20
10
00 _{0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6}
OUTPUT CURRENT (A)
May 2007
3.3V_IN to 1.8V_O Efficiency
90
88
86
84
82
80
78
76
0 0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6
OUTPUT CURRENT (A)
3.3V_IN to 1V_O Efficiency
90
80
70
60
50
40
30
20
10
0
0 0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6
OUTPUT CURRENT (A)
5V_IN to 1.8V_O Efficiency
90
80
70
60
50
40
30
20
10
0
0 0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6
OUTPUT CURRENT (A)
5V_IN to 1V_O Efficiency
80
70
60
50
40
30
20
10
00 _{0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6}
OUTPUT CURRENT (A)
4
MIC4721
3.3V_IN to 1.5V_O Efficiency
86
84
82
80
78
76
74
720 _{0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6}
OUTPUT CURRENT (A)
5V_IN to 3.3V_O Efficiency
94
92
90
88
86
84
82
80
78
76
0 0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6
OUTPUT CURRENT (A)
5V_IN to 1.5V_O Efficiency
90
80
70
60
50
40
30
20
10
0
0 0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6
OUTPUT CURRENT (A)
M9999-052907-A