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| AAT2805 Datasheet, PDF (8/17 Pages) Advanced Analogic Technologies – Dual High Efficiency Charge Pump for White LED and Flash Applications | |||
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AAT2805
Dual High Efficiency Charge Pump
for White LED and Flash Applications
Typical CharacteristicsâWhite LED Backlight Driver Section
Load Characteristics
(VIN = 3.7V; 1.5X Mode; 15mA Load)
Load Characteristics
(VIN = 2.7V; 2X Mode; 15mA Load)
VIN
(40mV/div)
CP
(40mV/div)
VSINK
(40mV/div)
VIN
(40mV/div)
CP
(40mV/div)
VSINK
(40mV/div)
500ns/div
500ns/div
VIN
(40mV/div)
CP
(40mV/div)
VSINK
(40mV/div)
Load Characteristics
(VIN = 3.9V; 1.5X Mode; 20mA Load)
500ns/div
VIN
(40mV/div)
CP
(40mV/div)
VSINK
(40mV/div)
Load Characteristics
(VIN = 2.9V; 2X Mode; 20mA Load)
500ns/div
VIN
(40mV/div)
CP
(40mV/div)
VSINK
(40mV/div)
Load Characteristics
(VIN = 4.2V; 1.5X Mode; 30mA Load)
500ns/div
VIN
(40mV/div)
CP
(40mV/div)
VSINK
(40mV/div)
Load Characteristics
(VIN = 3.2V; 2X Mode; 30mA Load)
500ns/div
8
2805.2005.05.1.2
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