AAT3194

High Efficiency 1.5X Fractional Charge Pump For White LED Applications

PRODUCT DATASHEET

3194.2008.05.1.1

5

www .analogictech.com

AAT3194

High Efficiency 1.5X Fractional Charge Pump For White LED Applications

PRODUCT DATASHEET

3194.2008.05.1.1

5

www .analogictech.com

Typical Characteristics

Quiescent Current vs. Temperature

0.86

0.88

0.90

0.92

0.94

0.96

0.98

1.00

-40

-20

0

20

40

60

80

100

Temperature (

°C)

Efficiency vs. Supply Voltage

60

65

70

75

80

85

90

95

100

3.0

3.2

3.4

3.6

3.8

4.0

4.2

4.4

Supply Voltage (V)

80mA

60mA

40mA

30mA

20mA

Quiescent Current vs. Supply Voltage

0.6

0.7

0.8

0.9

1.0

1.1

1.2

3.0

3.5

4.0

4.5

5.0

5.5

Supply Voltage (V)

Efficiency vs. Load Current

80

82

84

86

88

90

92

94

96

020

40

60

80

Load Current (mA)

Shutdown Current vs. Temperature

0.001

0.010

0.100

1.000

-40

-20

0

2040

60

80100

Temperature (

°C)

Oscillator Frequency vs. Temperature

610

620

630

640

650

660

670

680

690

700

710

-40

-20

0

20

40

60

80

100

Temperature (

°C)