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AL3158
HIGH EFFICIENCY 1x/2x CHARGE PUMP
FOR WHITE LED APPLICATIONS
Typical Performance Characteristics
EN1,2,3
2V/div
Vout
2V/div
Cp
2V/div
Iin
Turn-On to 1x Mode
EN1,2,3
2V/div
Vout
2V/div
Cp
2V/div
Iin
Turn-On to 2x Mode
200mA/div
50us/div
Turn-Off from 1x Mode
V IN =4.2V
V IN =4.2V
T A =25°C
I L =20mA
200mA/div
100us/div
Turn-Off from 2x Mode
V IN =3.0V
V IN =3.0V
T A =25°C
I L =20mA
T A =25°C
I L =20mA
EN1,2,3
2V/div
T A =25°C
I L =20mA
EN1,2,3
2V/div
Vout
2V/div
Cp
2V/div
Iin
200mA/div
200ms/div
Load Characteristics in 2x Mode
Vin
200mV AC /div
Vout
2V/div
Cp
2V/div
Iin
200mA/div
200ms/div
PWM Dimming Control (Duty Cycle=50%)
EN
3.6V/div
Idx
50mA/div
Vout
V IN =3.0V
T A =25°C
200mV AC /div
I L =20mA
V IN =3.6V
Iin
1us/div
Iin
100mA AC /div
Freq=20kHz
Duty Cycle=50%
T A =25°C
10us/div
100mA/div
AL3158
Document number: DS35047 Rev. 2 - 2
4 of 10
www.diodes.com
January 2011
? Diodes Incorporated
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相关代理商/技术参数
AL3159 制造商:DIODES 制造商全称:Diodes Incorporated 功能描述:HIGH EFFICIENCY 1x/2x CHARGE PUMP FOR WHITE LED APPLICATIONS
AL3159_11 制造商:DIODES 制造商全称:Diodes Incorporated 功能描述:HIGH EFFICIENCY 1x/2x CHARGE PUMP FOR WHITE LED APPLICATIONS
AL3159FSG 制造商:DIODES 制造商全称:Diodes Incorporated 功能描述:HIGH EFFICIENCY 1x/2x CHARGE PUMP FOR WHITE LED APPLICATIONS
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