AAT3156
High Efficiency 1X/1.5X/2X Charge Pump
For White LED Applications
Typical Characteristics
Load Characteristics
(V
IN
= 3.8V; 1.5X Mode; 15mA Load)
V
IN
(40mV/div)
CP
(40mV/div)
V
IN
(40mV/div)
CP
(40mV/div)
Load Characteristics
(V
IN
= 2.9V; 2X Mode; 15mA Load)
V
SINK
(40mV/div)
V
SINK
(40mV/div)
500ns/div
500ns/div
Load Characteristics
(V
IN
= 4.0V; 1.5X Mode; 20mA Load)
V
IN
(40mV/div)
CP
(40mV/div)
V
IN
(40mV/div)
CP
(40mV/div)
Load Characteristics
(V
IN
= 3.1V; 2X Mode; 20mA Load)
V
SINK
(40mV/div)
V
SINK
(40mV/div)
500ns/div
500ns/div
Load Characteristics
(V
IN
= 4.3V; 1.5X Mode; 30mA Load)
V
IN
(40mV/div)
CP
(40mV/div)
V
IN
(40mV/div)
CP
(40mV/div)
Load Characteristics
(V
IN
= 3.6V; 2X Mode; 30mA Load)
V
SINK
(40mV/div)
V
SINK
(40mV/div)
500ns/div
500ns/div
6
3156.2005.06.1.1
ANALOGICTECH [ ADVANCED ANALOGIC TECHNOLOGIES ]
