AAT3140(2007) Ver la hoja de datos (PDF) - Advanced Analogic Technologies

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AAT3140
(Rev.:2007)

High Efficiency 1X/1.5X/2X Charge Pump for White LED Applications

Advanced Analogic Technologies 

AAT3140

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.

Line Response

(1X Mode, 4x19mA Load)

Line Response

(1X Mode, 4x30mA Load)

VIN

(0.5V/div)

VLED

(20mV/div)

VCP

(0.5V/div)

ID

(10mA/div)

Time (1ms/div)

VIN

(0.5V/div)

VLED

(20mV/div)

VCP

(0.5V/div)

ID

(10mA/div)

Time (1ms/div)

VIN

(0.5V/div)

VLED

(20mV/div)

VCP

(0.5V/div)

ID

(10mA/div)

Line Response

(1.5X Mode, 4x19mA Load)

Time (1ms/div)

VIN

(0.5V/div)

VLED

(20mV/div)

VCP

(0.5V/div)

ID

(10mA/div)

Line Response

(1.5X Mode, 4x30mA Load)

Time (1ms/div)

VF

(20mV/div)

IIN

(10mA/div)

VCP

(20mV/div)

Load Characteristics

(1.5X Mode, 4x15mA Load)

TIme (1µs/div)

VF

(20mV/div)

IIN

(10mA/div)

VCP

(20mV/div)

Load Characteristics

(1.5X Mode, 4x30mA Load)

Time (1µs/div)

8

3140.2007.03.1.3

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