Diodes AL3159 Manuel d'utilisateur télécharger pdf (Page 4)

AL3159

HIGH EFFICIENCY 1x/2x CHARGE PUMP

FOR WHITE LED APPLICATIONS

AL3159

Document number: DS35048 Rev. 2 - 2

4 of 10

www.diodes.com

January 2011

© Diodes Incorporated

NEW PRODUCT

Typical Performance Characteristics

Turn-On to 1x Mode

50us/div

Turn-On to 2x Mode

100us/div

Turn-Off from 1x Mode

200ms/div

Turn-Off from 2x Mode

200ms/div

Load Characteristics in 2x Mode

1us/div

Load Characteristics in 2x Mode

1us/div

Vout

2V/div

CTL1,2,3

2V/div

V

IN

=4.2V

T

A

=25°C

I

L

=20mA

Iin

200mA/div

Cp

2V/div

Vout

2V/div

CTL1,2,3

2V/div

Iin

200mA/div

Cp

2V/div

V

IN

=3.0V

T

A

=25°C

I

L

=20mA

Cp

2V/div

Vout

2V/div

CTL1,2,3

2V/div

Iin

200mA/div

Cp

2V/div

V

IN

=3.0V

T

A

=25°C

I

L

=20mA

Iin

200mA/div

V

IN

=4.2V

T

A

=25°C

I

L

=20mA

CTL1,2,3

2V/div

Vout

2V/div

V

IN

=2.7V

T

A

=25°C

I

L

=20mA

Vin

200mVAC/div

Vout

200mV

AC/div

Iin

100mA

AC/div

V

IN

=3.0V

T

A

=25°C

I

L

=20mA

Vin

200mV

AC/div

Vout

200mVAC/div

Iin

100mA/div

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