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.

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)

3140.2007.03.1.3

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