參數(shù)資料
型號(hào): ML4890
廠(chǎng)商: Fairchild Semiconductor Corporation
英文描述: High Efficiency, Low Ripple Boost Regulator(輸出可調(diào)、小波紋升壓穩(wěn)壓器)
中文描述: 高效率,低紋波升壓穩(wěn)壓器(輸出可調(diào),小波紋升壓穩(wěn)壓器)
文件頁(yè)數(shù): 10/12頁(yè)
文件大?。?/td> 166K
代理商: ML4890
10
ML4890
V
IN
I
OUT
(mA)
EFFICIENCY PERCENTAGE
L = 10
μ
H
1.0
1.5
2.0
29.6
71.4
100.0
73.8
73.7
71.9
L = 15
μ
H
1.0
1.5
2.0
2.5
3.0
23.0
54.7
89.8
100.0
100.0
80.4
78.8
76.1
74.7
74.1
L = 22
μ
H
1.0
1.5
2.0
2.5
3.0
16.2
41.4
75.6
100.0
100.0
82.1
82.6
80.5
77.7
77.1
L = 33
μ
H
1.0
1.5
2.0
2.5
3.0
10.9
30.4
55.8
82.5
100.0
85.0
86.0
84.7
82.3
80.3
L = 47
μ
H
1.0
1.5
2.0
2.5
3.0
9.1
22.7
41.9
63.3
89.6
87.1
87.9
87.4
85.6
83.1
L = 68
μ
H
1.0
1.5
2.0
2.5
3.0
7.7
17.9
32.1
48.8
69.6
89.3
89.2
88.3
87.2
85.9
TABLE 1. MAXIMUM OUTPUT CURRENT AND EFFICIENCY
ML4890-T
V
IN
I
OUT
(mA)
EFFICIENCY PERCENTAGE
L = 10
μ
H
1.0
1.5
2.0
30.6
70.7
80.0
73.5
72.0
70.3
L = 15
μ
H
1.0
1.5
2.0
2.5
2.8
23.8
56.5
80.0
80.0
80.0
78.7
77.3
74.9
74.0
73.7
L = 22
μ
H
1.0
1.5
2.0
2.5
2.8
18.4
44.2
76.6
80.0
80.0
82.0
81.1
77.9
76.9
76.7
L = 33
μ
H
1.0
1.5
2.0
2.5
2.8
13.0
32.4
56.6
80.0
80.0
85.7
85.1
82.7
80.4
80.1
L = 47
μ
H
1.0
1.5
2.0
2.5
2.8
9.8
23.3
41.1
62.9
77.4
87.4
87.2
85.8
83.7
82.6
L = 68
μ
H
1.0
1.5
2.0
2.5
2.8
7.9
18.8
33.4
51.0
64.3
88.4
88.9
87.6
86.0
84.6
ML4890-3
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