AAT3122_05 ANALOGICTECH [Advanced Analogic Technologies], AAT3122_05 Datasheet - Page 5

• Manufacturer Part Number: AAT3122_05
• Description: High Efficiency 1X/1.5X Fractional Charge Pump for White LED Applications
• Manufacturer: ANALOGICTECH [Advanced Analogic Technologies]

Typical Characteristics
Unless otherwise noted, V
3122.2005.11.1.3
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
100
95
90
85
80
75
70
65
60
55
50
2.50
2.7
2.9
V
V
V
V
3.00
V
V
DIODE
DIODE
DIODE
DIODE
Quiescent Current vs. V
DIODE
DIODE
3.1
= 3.3V
= 3.4V
= 3.5V
= 3.6V
= 3.3V
= 3.4V
3.3
3.50
Efficiency vs. V
3.5
(I
3.7
V
D
V
IN
IN
= 80mA)
4.00
IN
3.9
(V)
(V)
= 3.6V, C
V
V
DIODE
DIODE
4.1 4.3
= 3.5V
= 3.6V
4.50
IN
IN
4.5
IN
= C
5.00
4.7 4.9
OUT
High Efficiency 1X/1.5X Fractional Charge
= C
5.50
5.1
1
= C
0.850
0.825
0.800
0.775
0.750
0.725
0.700
0.675
0.650
0.625
0.600
2
= 1µF, T
Pump for White LED Applications
2.5
90
80
60
40
85
75
70
65
55
50
45
2.7
2.9
A
V
DIODE
3.0
= 25°C.
3.1
= 3.3V
V
3.3
V
IH
IH
3.5
V
DIODE
3.5
and V
I
V
DIODE
IL
= 3.4V V
3.7
V
V
IN
vs. V
IN
4.0
IL
3.9
(V)
(V)
vs. V
DIODE
4.1
IN
= 3.5V
V
IN
4.5
DIODE
4.3
AAT3122
= 3.6V
4.5
5.0
4.7
4.9
5.1
5.5
5