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| AAT3142_07 Datasheet, PDF (6/16 Pages) Advanced Analogic Technologies – High Efficiency 1X/1.5X/2X Charge Pump for White LED Applications | |||
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AAT3142
High Efficiency 1X/1.5X/2X Charge Pump
for White LED Applications
Typical Characteristics
VIN = 3.5V, CIN = CCP = C1 = C2 = 1µF, TA = 25°C, unless otherwise noted.
Turn-On to 1X Mode
(3x19mA Load)
Turn-On to 1X Mode
(3x30mA Load)
EN/SET
(2V/div)
VCP
(4V/div)
VDIODE
(2V/div)
IIN
(100mA/div)
EN/SET
(2V/div)
VCP
(4V/div)
VDIODE
(2V/div)
IIN
(100mA/div)
Time (100µs/div)
Time (100µs/div)
EN/SET
(2V/div)
VCP
(4V/div)
VDIODE
(2V/div)
IIN
(100mA/div)
Turn-On to 1.5X Mode
(3x19mA Load)
Time (100µs/div)
EN/SET
(2V/div)
VCP
(4V/div)
VDIODE
(2V/div)
IIN
(100mA/div)
Turn-On to 1.5X Mode
(3x30mA Load)
Time (100µs/div)
Turn-Off from Full-Scale 2X Mode
EN/SET
(2V/div)
VDIODE
(2V/div)
IIN
(200mA/div)
Time (200µs/div)
6
3142.2007.03.1.2
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