AAT3134 View Datasheet(PDF) - Analog Technology Inc
Part Name
Description
MFG CO.
AAT3134
Analog Technology Inc
'AAT3134' PDF : 13 Pages View PDF
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. Input Voltage
(4x20mA)
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
Input Voltage (V)
IDIODE vs. Input Voltage
(4x20mA)
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
Input Voltage (V)
Quiescent Current vs. Input Voltage
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
Input Voltage (V)
Input Voltage (V)
3134.2005.12.1.1
5
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