MIC4724 Datasheet, PDF (4/19 Pages) Micrel Semiconductor – 3A 2MHz Integrated Switch Buck Regulator with 6Vmax Input

Micrel, Inc.
Typical Characteristics
1V_OUT Efficiency
84
82
80 _3VIN
78
3.3V_IN
76
74 _3.6VIN
72
70
68
66
640 _{0.5 1 1.5 2 2.5 3}
OUTPUT CURRENT (A)
1.2V_OUT Efficiency
90
88
86
84
82
80
78
4.5V_IN
5V_IN
76
74
72
70
5.5V_IN
68
66
64
62
600 _{0.5 1 1.5 2 2.5 3}
OUTPUT CURRENT (A)
1.8V_OUT Efficiency
96
94
92 ^3VIN
90
3.3V_IN
88
86
84
82
3.6V_IN
80
78
76
74
72
70
68
660 _{0.5 1 1.5 2 2.5 3}
OUTPUT CURRENT (A)
2.5V_OUT Efficiency
94
92 _4.5VIN
90
5V_IN
88
86
5.5V_IN
84
82
800 _{0.5 1 1.5 2 2.5 3}
OUTPUT CURRENT (A)
June 2008
1V_OUT Efficiency
78
76 _4.5VIN
74
5V_IN
72
70
68
5.5V_IN
66
64
62
600 _{0.5 1 1.5 2 2.5 3}
OUTPUT CURRENT (A)
1.5V_OUT Efficiency
92
90
88
3V_IN
86
3.3V_IN
84
82
80 ^3.6VIN
78
76
74
72
70
68
66
640 _{0.5 1 1.5 2 2.5 3}
OUTPUT CURRENT (A)
1.8V_OUT Efficiency
90
88 4.5VIN
86
5V_IN
84
82
80
78
5.5V_IN
76
74
72
70
68
66
64
62
600 _{0.5 1 1.5 2 2.5 3}
OUTPUT CURRENT (A)
3.3V_OUT Efficiency
96
94
4.5V_IN
5V_IN
92
90
5.5V_IN
88
86
84
82
80
78
760 _{0.5 1 1.5 2 2.5 3}
OUTPUT CURRENT (A)
4
MIC4724
1.2V_OUT Efficiency
90
88
86
84
3V_IN
82
3.3V_IN
80
78
76 3.6V_IN
74
72
70
68
66
64
62
600 _{0.5 1 1.5 2 2.5 3}
OUTPUT CURRENT (A)
1.5V_OUT Efficiency
86
84 4.5V_IN
82
5V_IN
80
78
76
5.5V_IN
74
72
70
68
66
640 _{0.5 1 1.5 2 2.5 3}
OUTPUT CURRENT (A)
2.5V_OUT Efficiency
100
98
96 ^3VIN
94
3.3V_IN
92
90 _3.6VIN
88
86
84
82
800 _{0.5 1 1.5 2 2.5 3}
OUTPUT CURRENT (A)
1.010
Load Regulation
1.005
1.000
0.995
V_IN = 33..33VV
0.9900 _{0.5 1 1.5 2 2.5 3}
OUTPUT CURRENT (A)
M9999-062408-A