AAT3134ISN-T1(2004) データシートの表示（PDF） - Analog Technology Inc
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AAT3134ISN-T1
(Rev.:2004)
(Rev.:2004)
Analog Technology Inc
AAT3134ISN-T1 Datasheet PDF : 12 Pages
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AAT3134
High Efficiency 1X/1.5X Fractional
Charge Pump for White LED Applications
Typical Characteristics
(Unless otherwise noted, VIN = 3.5V, CIN = COUT = C1 = C2 = 1µF, TA = 25°C)
Efficiency vs. VIN (4x20mA)
IDIODE vs. VIN (4x20mA)
100%
95%
90%
VDIODE = 3.3V
85%
80%
VDIODE = 3.4V
75%
70%
VDIODE = 3.5V
65%
60%
VDIODE = 3.6V
55%
50%
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
VIN (V)
90
85
VDIODE = 3.3V
VDIODE = 3.4V VDIODE = 3.5V
VDIODE = 3.6V
80
75
70
65
60
55
50
45
40
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
VIN (V)
Quiescent Current vs. VIN
VIH and VIL vs. VIN
2.4
0.850
2.2
2.0
1.8
1.6
1.4
1.2
VDIODE = 3.3V
1.0
VDIODE = 3.4V
0.8
VDIODE = 3.5V
0.6
0.4
VDIODE = 3.6V
0.2
0.825
0.800
0.775
0.750
0.725
0.700
0.675
0.650
0.625
VIH
VIL
0.0
0.600
2.50
3.00
3.50
4.00
4.50
5.00
5.50
2.5
3.0
3.5
4.0
4.5
5.0
5.5
VIN (V)
VIN (V)
4
3134.2004.04.1.0
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