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SP4446 датащи(PDF) 6 Page - Exar Corporation

номер детали SP4446
подробное описание детали  High Output Voltage Boost Regulator LCD Bias Regulator
PDF  10 Pages
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производитель  EXAR [Exar Corporation]
домашняя страница  http://www.exar.com
Logo EXAR - Exar Corporation

SP4446 датащи(HTML) 6 Page - Exar Corporation

Back Button SP4446 Datasheet HTML 2Page - Exar Corporation SP4446 Datasheet HTML 3Page - Exar Corporation SP4446 Datasheet HTML 4Page - Exar Corporation SP4446 Datasheet HTML 5Page - Exar Corporation SP4446 Datasheet HTML 6Page - Exar Corporation SP4446 Datasheet HTML 7Page - Exar Corporation SP4446 Datasheet HTML 8Page - Exar Corporation SP4446 Datasheet HTML 9Page - Exar Corporation SP4446 Datasheet HTML 10Page - Exar Corporation  
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6
Mar28-08
SP4446 High Output Voltage Boost Regulator, LCD Bias Regulator
© 2008 Exar Corporation
Figure 8. 18V Output Efficiency (VIN=3.3V)
Figure 9. 18V Output Efficiency (V
IN=5V)
Figure 6. 15V Output Efficiency (VIN=3.3V)
Figure 7. 15V Output Efficiency (VIN=5V)
Vin=3.3V; Vout = 18V Efficiency
40
45
50
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65
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75
80
0.0
1.0
2.0
3.0
4.0
5.0
6.0
7.0
8.0
Iout (mA)
10 uH
22 uH
Vin=5.0V; Vout = 18V Efficiency
40
45
50
55
60
65
70
75
80
0.0
2.0
4.0
6.0
8.0
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12.0
14.0
Iout (mA)
10 uH
22 uH
PERFORMANCE CHARACTERISTICS
Refer to the typical application circuit, TAMB = 25°C, unless otherwise specified.
Figure 4. 12V Output Efficiency (VIN=3.3V)
Figure 5. 12V Output Efficiency (V
IN=5V)
Vin=3.3V;Vout =12V Efficiency
50
55
60
65
70
75
80
85
0
3
6
9
12
15
18
Iout (mA)
10 uH
22 uH
Vin=5.0V;Vout =12V Efficiency
50
55
60
65
70
75
80
85
0
5
10
15
20
25
30
Iout (mA)
10 uH
22 uH
Vin=3.3V;Vout =15V Efficiency
50
55
60
65
70
75
80
0
2
4
6
8
10
12
Iout (mA)
10 uH
22 uH
Vin=5.0V;Vout =15V Efficiency
50
55
60
65
70
75
80
0
3
6
9
12
15
18
Iout (mA)
10 uH
22 uH



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