AAT3164 Datasheet, PDF (7/14 Pages) Advanced Analogic Technologies – High Efficiency 1X/1.5X/2X Charge Pump for Six-Channel White LED Applications

AAT3164
High Efficiency 1X/1.5X/2X Charge Pump for
Six-Channel White LED Applications
Typical Characteristics
C_IN = C_OUT = C₁ = C₂ = 1.0µF; T_A = 25°C, R_SET = 26.1kΩ, V_IN = 3.6V, unless otherwise noted.
Maximum LED Current vs. R_SET
V_IH vs. V_IN
45
40
35
30
25
20
15
10
5
0
10 15 20 25 30 35 40 45 50 55 60 65 70 75
R_SET (kΩ)
1.2
1.1
1
-40°C
0.9
0.8
0.7
0.6
25°C
85°C
0.5
0.4
0.3
0.2
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 5.3 5.5
V_IN (V)
V_IL vs. V_IN
1.2
1.1
1
0.9
-40°C
0.8
0.7
0.6
0.5
25°C
85°C
0.4
0.3
0.2
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 5.3 5.5
V_IN (V)
Input Ripple vs. V_IN
20
18
16
14
20mA/ch
12
10
8
6
10.2mA/ch
4
2
0
2.7 2.8 2.9 3.0 3.1 3.2 3.3 3.4 3.5 3.6 3.7 3.8 3.9 4.0 4.1 4.2
V_IN (V)
3164.2006.07.1.0
7