AAT3140_07 ANALOGICTECH [Advanced Analogic Technologies], AAT3140_07 Datasheet - Page 7

• Manufacturer Part Number: AAT3140_07
• Description: High Efficiency 1X/1.5X/2X Charge Pump for White LED Applications
• Manufacturer: ANALOGICTECH [Advanced Analogic Technologies]

Typical Characteristics
V
3140.2007.03.1.3
(500mV/div)
(500mV/div)
(500mV/div)
(500mV/div)
(500mV/div)
IN
(50mA/div)
(50mA/div)
(50mA/div)
= 3.5V, C
(1V/div)
(1V/div)
(1V/div)
(4V/div)
V
V
V
DIODE
DIODE
DIODE
V
V
V
V
V
V
I
I
I
CP
CP
CP
IN
IN
IN
IN
IN
IN
IN
Load Switch to Charge Pump
Charge Pump to Load Switch
Charge Pump to Load Switch
= C
(1.5X Mode, 4x19mA Load)
(1.5X Mode, 4x19mA Load)
CP
(2X Mode, 4x19mA Load)
= C
Time (5ms/div)
Time (5ms/div)
Time (2ms/div)
1
= C
2
= 1µF, T
A
= 25°C, unless otherwise noted.
High Efficiency 1X/1.5X/2X Charge Pump
(500mV/div)
(500mV/div)
(500mV/div)
(500mV/div)
(500mV/div)
(50mA/div)
(50mA/div)
(50mA/div)
(1V/div)
(1V/div)
(1V/div)
(4V/div)
V
V
V
DIODE
DIODE
DIODE
V
V
V
V
V
V
I
CP
CP
I
CP
I
IN
IN
IN
IN
IN
IN
for White LED Applications
Load Switch to Charge Pump
Charge Pump to Load Switch
Charge Pump to Load Switch
(1.5X Mode, 4x30mA Load)
(1.5X Mode, 4x30mA Load)
(2X Mode, 4x30mA Load)
Time (5ms/div)
Time (2ms/div)
Time (5ms/div)
AAT3140
7