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| AAT3141_07 Datasheet, PDF (7/16 Pages) Advanced Analogic Technologies – High Efficiency 1X/1.5X/2X Charge Pump for White LED Applications | |||
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AAT3141
High Efficiency 1X/1.5X/2X Charge Pump
for White LED Applications
Typical Characteristics
Unless otherwise noted, VIN = 3.5V, CIN = CCP = C1 = C2 = 1µF, TA = 25°C.
Charge Pump to Load Switch
(1.5X Mode, 4x19mA Load)
Charge Pump to Load Switch
(1.5X Mode, 4x30mA Load)
VIN
(500mV/div)
VCP
(1V/div)
VDIODE
(500mV/div)
IIN
(50mA/div)
VIN
(500mV/div)
VCP
(1V/div)
VDIODE
(500mV/div)
IIN
(50mA/div)
Time (5ms/div)
Time (5ms/div)
Charge Pump to Load Switch
(2X Mode, 4x19mA Load)
VIN
(500mV/div)
VCP
(1V/div)
VDIODE
(500mV/div)
IIN
(50mA/div)
Time (5ms/div)
Charge Pump to Load Switch
(2X Mode, 4x30mA Load)
VIN
(500mV/div)
VCP
(1V/div)
VDIODE
(500mV/div)
IIN
(50mA/div)
Time (5ms/div)
Load Switch to Charge Pump
(1.5X Mode, 4x19mA Load)
VIN
(1V/div)
VCP
(4V/div)
VDIODE
(500mV/div)
IIN
(50mA/div)
Time (2ms/div)
Load Switch to Charge Pump
(1.5X Mode, 4x30mA Load)
VIN
(1V/div)
VCP
(4V/div)
VDIODE
(500mV/div)
IIN
(50mA/div)
Time (2ms/div)
3141.2007.03.1.3
7
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