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SP4446 Datenblatt(PDF) 6 Page - Sipex Corporation

Teilenummer SP4446
Bauteilbeschribung  High Output Voltage Boost Regulator LCD Bias Regulator
PDF  10 Pages
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Hersteller  SIPEX [Sipex Corporation]
Direct Link  http://www.sipex.com
Logo SIPEX - Sipex Corporation

SP4446 Datenblatt(HTML) 6 Page - Sipex Corporation

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6
Rev. 7/14/03
SP4446 High Output Voltage Boost Regualtor, LCD Bias Regulator
© Copyright 2003 Sipex Corporation
Figure 5. 18V Output Efficiency (VIN=3.3V)
Figure 6. 18V Output Efficiency (V
IN=5V)
Figure 3. 15V Output Efficiency (VIN=3.3V)
Figure 4. 15V Output Efficiency (VIN=5V)
Vin=3.3V; Vout = 18V Efficiency
40
45
50
55
60
65
70
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
10.0
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 1. 12V Output Efficiency (VIN=3.3V)
Figure 2. 12V Output Efficiency (V
IN=5V)
Vin=3.3V;Vout =12V Efficiency
50
55
60
65
70
75
80
85
0369
12
15
18
Iout (mA)
10 uH
22 uH
Vin=5.0V;Vout =12V Efficiency
50
55
60
65
70
75
80
85
05
10
15
20
25
30
Iout (mA)
10 uH
22 uH
Vin=3.3V;Vout =15V Efficiency
50
55
60
65
70
75
80
02
46
8
10
12
Iout (mA)
10 uH
22 uH
Vin=5.0V;Vout =15V Efficiency
50
55
60
65
70
75
80
0369
12
15
18
Iout (mA)
10 uH
22 uH



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