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AAT3131 Datasheet(PDF) 5 Page - Advanced Analog Technology, Inc.

Part No. AAT3131
Description  High Efficiency 1X/1.5X Fractional Charge Pump for White LED Applications
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Manufacturer  AAT [Advanced Analog Technology, Inc.]
Direct Link  http://www.aatech.com.tw
Logo AAT - Advanced Analog Technology, Inc.

AAT3131 Datasheet(HTML) 5 Page - Advanced Analog Technology, Inc.

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AAT3131
High Efficiency 1X/1.5X Fractional
Charge Pump for White LED Applications
3131.2005.12.1.2
5
Typical Characteristics
Unless otherwise noted, V
IN = 3.5V, CIN = COUT = C1 = C2 = 1µF, TA = 25°C.
V
IH and VIL vs. VIN
0.600
0.625
0.650
0.675
0.700
0.725
0.750
0.775
0.800
0.825
0.850
2.5
3.0
3.5
4.0
4.5
5.0
5.5
VIN (V)
VIH
VIL
Quiescent Current vs. Input Voltage
0.0
0.2
0.4
0.6
0.8
1.0
1.2
1.4
1.6
1.8
2.0
2.2
2.4
2.50
3.00
3.50
4.00
4.50
5.00
5.50
Input Voltage (V)
VDIODE = 3.3V
VDIODE = 3.4V
VDIODE = 3.5V
VDIODE = 3.6V
I
DIODE vs. Input Voltage
(4x20mA)
40
45
50
55
60
65
70
75
80
85
90
2.7
2.9
3.1
3.3
3.5
3.7
3.9
4.1
4.3
4.5
4.7
4.9
5.1
Input Voltage (V)
VDIODE = 3.3V
VDIODE = 3.4V VDIODE = 3.5V
VDIODE = 3.6V
Efficiency vs. Input Voltage
(4x20mA)
50
55
60
65
70
75
80
85
90
95
100
2.7
2.9
3.1
3.3
3.5
3.7
3.9
4.1
4.3
4.5
4.7
4.9
5.1
Input Voltage (V)
VDIODE = 3.3V
VDIODE = 3.4V
VDIODE = 3.5V
VDIODE = 3.6V


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