AAT3142 Ver la hoja de datos (PDF) - Analog Technology Inc
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AAT3142 Datasheet PDF : 16 Pages
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AAT3142
High Efficiency 1X/1.5X/2X Charge Pump
for White LED Applications
Typical Characteristics
VIN = 3.5V, CIN = CCP = C1 = C2 = 1µF, TA = 25°C, unless otherwise noted.
Efficiency vs. Input Voltage
(Code 26)
Efficiency vs. Input Voltage
(D1 = 3.5V, D2 = 3.3V, D3 = 3.2V)
100
90
80
3.0VF
100
90 Code 26
80
70
70
60
60
Code 32
50
3.5VF
50 Code 28
40
40
30
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
30
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
Input Voltage (V)
Input Voltage (V)
Efficiency vs. Input Voltage
(D1-D2 = 3.5V, D3 = 3.2V)
100
90 Code 26
80
70
60
50
Code 32
40 Code 28
30
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
Input Voltage (V)
3142.2007.03.1.2
5
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