AAT3122ITP-T1 View Datasheet(PDF) - Analog Technology Inc
Part Name
Description
MFG CO.
AAT3122ITP-T1
Analog Technology Inc
'AAT3122ITP-T1' PDF : 12 Pages View PDF
AAT3122
High Efficiency 1X/1.5X Fractional Charge
Pump for White LED Applications
Typical Characteristics
Unless otherwise noted, VIN = 3.6V, CIN = COUT = C1 = C2 = 1µF, TA = 25°C.
Efficiency vs. VIN
(ID = 80mA)
100
95
90
VDIODE = 3.3V
85
VDIODE = 3.4V
80
75
70
VDIODE = 3.5V
65
VDIODE = 3.6V
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
90
VDIODE = 3.3V VDIODE = 3.4V VDIODE = 3.5V
85
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
2.4
2.2
2.0
1.8
1.6
1.4
1.2
1.0
0.8
0.6
0.4
0.2
0.0
2.50
VDIODE = 3.3V
VDIODE = 3.4V
VDIODE = 3.5V
VDIODE = 3.6V
3.00
3.50
4.00
VIN (V)
4.50
5.00
5.50
VIH and VIL vs. VIN
0.850
0.825
0.800
0.775
VIH
0.750
0.725
0.700
VIL
0.675
0.650
0.625
0.600
2.5
3.0
3.5
4.0
4.5
5.0
5.5
VIN (V)
3122.2005.11.1.3
5
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