mic4782 Micrel Semiconductor, mic4782 Datasheet - Page 5

• Manufacturer Part Number: mic4782
• Description: 1.8 Mhz Dual 2a Integrated Switch Buck Regulator
• Manufacturer: Micrel Semiconductor

Micrel, Inc.
Typical Characteristics
August 2009
96
94
92
90
88
86
84
82
80
78
76
80
78
76
74
72
70
68
66
64
62
60
84
82
80
78
76
74
72
70
68
66
64
92
90
88
86
84
82
80
78
76
74
72
0
0
0
0
5.0V
3.3V
5.0V
3.3V
0.4
0.4
0.4
0.4
IN
IN
IN
IN
OUTPUT CURRENT (A)
, 1.0V
, 1.2V
OUTPUT CURRENT (A)
, 2.5V
OUTPUT CURRENT (A)
, 1.8V
OUTPUT CURRENT (A)
0.8
0.8
0.8
0.8
OUT
OUT
OUT
OUT
1.2
1.2
1.2
1.2
Efficiency
Efficiency
Efficiency
Efficiency
1.6
1.6
1.6
1.6
3.0Vin
3.3Vin
3.6Vin
4.5Vin
5.0Vin
5.5Vin
3.0Vin
3.3Vin
3.6Vin
4.5Vin
5.0Vin
5.5Vin
2
2
2
2
88
86
84
82
80
78
76
74
72
70
68
100
80
78
76
74
72
70
68
66
64
62
60
92
90
88
86
84
82
80
78
76
74
72
98
96
94
92
90
88
86
84
82
80
0
0
0
0
5.0V
3.3V
5.0V
5.0V
0.4
0.4
0.4
0.4
IN
IN
IN
IN
OUTPUT CURRENT (A)
, 1.0V
, 1.5V
, 1.8V
, 3.3V
OUTPUT CURRENT (A)
OUTPUT CURRENT (A)
OUTPUT CURRENT (A)
0.8
0.8
0.8
0.8
OUT
OUT
OUT
5
OUT
1.2
1.2
1.2
1.2
Efficiency
Efficiency
Efficiency
Efficiency
1.6
1.6
1.6
1.6
4.5Vin
5.0Vin
5.5Vin
4.5Vin
5.0Vin
5.5Vin
4.5Vin
5.0Vin
5.5Vin
3.0Vin
3.3Vin
3.6Vin
2
2
2
2
84
82
80
78
76
74
72
70
68
66
64
88
86
84
82
80
78
76
74
72
70
68
96
94
92
90
88
86
84
82
80
78
76
0.615
0.610
0.605
0.600
0.595
0
0
0
0
3.3V
5.0V
3.3V
0.4
0.4
0.4
IN
IN
IN
0.4
OUTPUT CURRENT (A)
, 1.2V
, 2.5V
Load Regulation
, 1.5V
OUTPUT CURRENT (A)
OUTPUT CURRENT (A)
OUTPUT CURRENT (A)
0.8
0.8
0.8
0.8
OUT
OUT
OUT
1.2
1.2
1.2
Efficiency
Efficiency
Efficiency
1.2
M9999-081709-D
1.6
1.6
1.6
1.6
Vin=3.3V
3.0Vin
3.3Vin
3.6Vin
4.5Vin
5.0Vin
5.5Vin
3.0Vin
3.3Vin
3.6Vin
MIC4782
2
2
2
2