AAT3140_07 ANALOGICTECH [Advanced Analogic Technologies], AAT3140_07 Datasheet - Page 6

• 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
(100mA/div)
(200mA/div)
6
(100mA/div)
IN
= 3.5V, C
EN/SET
(2V/div)
(4V/div)
(2V/div)
EN/SET
(2V/div)
(2V/div)
EN/SET
(2V/div)
(4V/div)
(2V/div)
V
V
V
DIODE
DIODE
DIODE
V
V
CP
I
Turn-Off from Full-Scale 2X Mode
I
I
CP
IN
IN
IN
IN
= C
CP
Turn-On to 1X Mode
Turn-On to 1.5X Mode
= C
(4x19mA Load)
Time (100µs/div)
Time (100µs/div)
Time (100µs/div)
(4x19mA Load)
1
= C
2
= 1µF, T
A
= 25°C, unless otherwise noted.
High Efficiency 1X/1.5X/2X Charge Pump
(100mA/div)
(100mA/div)
EN/SET
(2V/div)
(4V/div)
(2V/div)
EN/SET
(2V/div)
(4V/div)
(2V/div)
V
V
DIODE
DIODE
V
V
CP
I
CP
I
IN
IN
for White LED Applications
Turn-On to 1X Mode
Turn-On to 1.5X Mode
(4x30mA Load)
Time (100µs/div)
Time (100µs/div)
(4x30mA Load)
AAT3140
3140.2007.03.1.3