AAT3123(2003) Просмотр технического описания (PDF) - Advanced Analogic Technologies

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производитель

AAT3123
(Rev.:2003)

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

Advanced Analogic Technologies 

AAT3123/4

High Efficiency 1X/1.5X Fractional Charge

Pump for White LED Applications

Typical Characteristics

(Unless otherwise noted, VIN = 3.5V, CIN = COUT = C1 = C2 = 1µF, TA = 25°C)

Turn-On to Full Scale Charge-Pump

Turn-On to Full Scale Load-Switch

ENSET

(1V/div)

OUT

(2V/div)

VDIODE

(1V/div)

IIN

(200mA/div)

50µs/div

ENSET

(1V/div)

OUT

(2V/div)

VDIODE

(2V/div)

IIN

(100mA/div)

50µs/div

Charge Pump to Load Switch (80mA)

VIN

(10mV/div)

OUT

(2V/div)

VDIODE

(2V/div)

IIN

(100mA/div)

50µs/div

ENSET

(1V/div)

VDIODE

(2V/div)

IIN

(100mA/div)

Turn-Off

200µs/div

Load Switch to Charge Pump (80mA)

VIN

(20mV/div)

OUT

(1V/div)

VDIODE

(1V/div)

IIN

(200mV/div)

50µs/div

80mA Load Characteristics

VIN

OUT

VDIODE

1µs/div

6

3123.2003.09.1.1

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