AAT3158 Datasheet, PDF (6/11 Pages) Advanced Analogic Technologies – High Efficiency 1X/1.5X/2X Charge Pump for White LED Applications

AAT3158
High Efficiency 1X/1.5X/2X Charge Pump
for White LED Applications
Typical Characteristics
Load Characteristics
(V_IN = 3.7V; 1.5X Mode; 20mA/ch Load)
V_IN
(20mV/div)
V_CP
(40mV/div)
V_SINK
(20mV/div)
Time (500ns/div)
Load Characteristics
(V_IN = 3.5V; 1.5X Mode; 14mA/ch Load)
V_IN
(20mV/div)
V_CP
(40mV/div)
V_SINK
(20mV/div)
Time (500ns/div)
Load Characteristics
(V_IN = 2.9V; 2X Mode; 20mA/ch Load)
V_IN
(20mV/div)
V_CP
(40mV/div)
V_SINK
(40mV/div)
Time (500ns/div)
Load Characteristics
(V_IN = 2.9V; 2X Mode; 14mA/ch Load)
V_IN
(20mV/div)
V_CP
(40mV/div)
V_SINK
(40mV/div)
Time (500ns/div)
Input Ripple vs. Input Voltage
14.0
12.0
20mA/ch
10.0
14mA/ch
8.0
6.0
4.0
2.0 ^10mA/ch
0.0
2.5
3.0
3.5
4.0
4.5
5.0
5.5
Input Voltage (V)
6
3158.2006.02.1.0