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| AAT3194 Datasheet, PDF (7/14 Pages) Advanced Analogic Technologies – High Efficiency 1.5X Fractional Charge Pump For White LED Applications | |||
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AAT3194
High Efficiency 1.5X Fractional Charge
Pump For White LED Applications
Typical Characteristics
VIN = 3.5V, CIN = COUT = C1 = C2 = 1µF; TA = 25°C, unless otherwise noted.
Turn-On
ENSET
(2V/div)
OUT
(5V/div)
VDIODE
(2V/div)
IIN
(50mA/div)
Time (100µs/div)
ENSET
(2V/div)
OUT
(5V/div)
VDIODE
(5V/div)
IIN
(50mA/div)
Turn-Off
Time (200µs/div)
IN
OUT
VDIODE
40mA Load Characteristics
Time (1µs/div)
60mA Load Characteristics
IN
OUT
VDIODE
Time (1µs/div)
IN
OUT
VDIODE
80mA Load Characteristics
Time (1µs/div)
3194.2006.09.1.0
7
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