AAT3155 Datasheet, PDF (7/11 Pages) Advanced Analogic Technologies – High Efficiency 1X/1.5X/2X Charge Pump For White LED Applications

AAT3155
High Efficiency 1X/1.5X/2X Charge Pump
For White LED Applications
Typical Characteristics
C_IN = C_OUT = C₁ = C₂ = 1.0µF; T_A = 25°C, V_IN = 3.6V, unless otherwise noted.
EN/SET Off Timeout vs. Input Voltage
Enable Threshold High vs. Input Voltage
350
300
250
-40°C
200
150
100
25°C ^85°C
50
0
2.7
3.1
3.5
3.9
4.3
4.7
5.1
5.5
Input Voltage (V)
1.4
1.2
1.0
-40°C
0.8
25°C
85°C
0.6
0.4
2.7
3.1
3.5
3.9
4.3
4.7
5.1
5.5
Input Voltage (V)
Enable Threshold Low vs. Input Voltage
1.4
1.2
1.0
-40°C
0.8
0.6
25°C _85°C
0.4
2.7
3.1
3.5
3.9
4.3
4.7
5.1
5.5
Input Voltage (V)
3155.2006.05.1.1
7