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AAT3142 Datasheet(PDF) 5 Page - Advanced Analog Technology, Inc.

Part No. AAT3142
Description  High Efficiency 1X/1.5X/2X Charge Pump for White LED Applications
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Maker  AAT [Advanced Analog Technology, Inc.]
Homepage  http://www.aatech.com.tw
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AAT3142 Datasheet(HTML) 5 Page - Advanced Analog Technology, Inc.

 
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AAT3142
High Efficiency 1X/1.5X/2X Charge Pump
for White LED Applications
3142.2007.03.1.2
5
Typical Characteristics
V
IN = 3.5V, CIN = CCP = C1 = C2 = 1µF, TA = 25°C, unless otherwise noted.
Input Voltage (V)
Efficiency vs. Input Voltage
(D1-D2 = 3.5V, D3 = 3.2V)
30
40
50
60
70
80
90
100
2.9
3.0
3.1
3.2
3.3
3.4
3.5
3.6
3.7
3.8
3.9
4.0
4.1
4.2
Code 32
Code 28
Code 26
Input Voltage (V)
Efficiency vs. Input Voltage
(Code 26)
30
40
50
60
70
80
90
100
2.9
3.0
3.1
3.2
3.3
3.4
3.5
3.6
3.7
3.8
3.9
4.0
4.1
4.2
3.5VF
3.0VF
Efficiency vs. Input Voltage
(D1 = 3.5V, D2 = 3.3V, D3 = 3.2V)
Input Voltage (V)
30
40
50
60
70
80
90
100
2.9
3.0
3.1
3.2
3.3
3.4
3.5
3.6
3.7
3.8
3.9
4.0
4.1
4.2
Code 32
Code 28
Code 26


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