AAT3123(2003) データシートの表示（PDF） - Advanced Analogic Technologies
部品番号
コンポーネント説明
メーカー
AAT3123
(Rev.:2003)
(Rev.:2003)
Advanced Analogic Technologies
AAT3123 Datasheet PDF : 18 Pages
| |||
AAT3123/4
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)
Efficiency vs. VIN (4x10mA)
100%
95%
90%
VDIODE = 3.2V
VDIODE = 3.4V
85%
80%
VDIODE = 3.0V
75%
70%
65%
60%
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)
100%
95%
90%
VDIODE = 3.2V
VDIODE = 3.4V
85%
80%
VDIODE = 3.0V
75%
70%
65%
60%
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)
IDIODE vs. VIN (4x20mA)
85
VDIODE = 3.2V
VDIODE = 3.4V
80
75
VDIODE = 3.0V
70
65
60
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)
IDIODE vs. VIN (4x10mA)
45
VDIODE = 3.2V
VDIODE = 3.4V
40
VDIODE = 3.0V
35
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
2.6
0.850
2.4
0.825
2.2
2.0
0.800
1.8
0.775
1.6
0.750
1.4
1.2
1.0
VDIODE = 3.4V
0.725
0.700
0.8
0.6 VDIODE = 3.0V
0.4
0.2
VDIODE = 3.2V
0.675
0.650
0.625
0.0
0.600
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
2.5
3.0
3.5
4.0
4.5
5.0
5.5
VIN (V)
VIN (V)
3123.2003.09.1.1
5
Share Link: 