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ML4890CS-3 Datasheet(PDF) 10 Page - Micro Linear Corporation

Part # ML4890CS-3
Description  High Efficiency, Low Ripple Boost Regulator
PDF  12 Pages
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Manufacturer  MICRO-LINEAR [Micro Linear Corporation]
Direct Link  http://www.microlinear.com
Logo MICRO-LINEAR - Micro Linear Corporation

ML4890CS-3 Datasheet(HTML) 10 Page - Micro Linear Corporation

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10
ML4890
VIN
IOUT (mA)
EFFICIENCY PERCENTAGE
L = 10µH
1.0
29.6
73.8
1.5
71.4
73.7
2.0
100.0
71.9
L = 15µH
1.0
23.0
80.4
1.5
54.7
78.8
2.0
89.8
76.1
2.5
100.0
74.7
3.0
100.0
74.1
L = 22µH
1.0
16.2
82.1
1.5
41.4
82.6
2.0
75.6
80.5
2.5
100.0
77.7
3.0
100.0
77.1
L = 33µH
1.0
10.9
85.0
1.5
30.4
86.0
2.0
55.8
84.7
2.5
82.5
82.3
3.0
100.0
80.3
L = 47µH
1.0
9.1
87.1
1.5
22.7
87.9
2.0
41.9
87.4
2.5
63.3
85.6
3.0
89.6
83.1
L = 68µH
1.0
7.7
89.3
1.5
17.9
89.2
2.0
32.1
88.3
2.5
48.8
87.2
3.0
69.6
85.9
TABLE 1. MAXIMUM OUTPUT CURRENT AND EFFICIENCY
VIN
IOUT (mA)
EFFICIENCY PERCENTAGE
L = 10µH
1.0
30.6
73.5
1.5
70.7
72.0
2.0
80.0
70.3
L = 15µH
1.0
23.8
78.7
1.5
56.5
77.3
2.0
80.0
74.9
2.5
80.0
74.0
2.8
80.0
73.7
L = 22µH
1.0
18.4
82.0
1.5
44.2
81.1
2.0
76.6
77.9
2.5
80.0
76.9
2.8
80.0
76.7
L = 33µH
1.0
13.0
85.7
1.5
32.4
85.1
2.0
56.6
82.7
2.5
80.0
80.4
2.8
80.0
80.1
L = 47µH
1.0
9.8
87.4
1.5
23.3
87.2
2.0
41.1
85.8
2.5
62.9
83.7
2.8
77.4
82.6
L = 68µH
1.0
7.9
88.4
1.5
18.8
88.9
2.0
33.4
87.6
2.5
51.0
86.0
2.8
64.3
84.6
ML4890-T
ML4890-3



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