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LP3359 Folha de dados(PDF) 1 Page - Lowpower Semiconductor inc |
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LP3359 Folha de dados(HTML) 1 Page - Lowpower Semiconductor inc |
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1 / 9 page  LP3359 LP3359-datasheet Ver.1.1 Nov.-2005 1 -1 High performance, Current Source For Parallel White-LED Driver General Description The LP3359 is a parallel white-LED driver with four matched current outputs. It can supply a total output current of 100mA over an input voltage range of 3.0V to 5.5V. The amount of constant current sourced to the outputs is user selectable using one external sense resistor. LP3359 typically draws 0.01µA when placed in shutdown, and 180µA when operating in the no-load condition. If any of the outputs are not used, leave the pin(s) unconnected. Brightness can be controlled by PWM techniques or by adding a DC voltage. A PWM signal can be applied to the EN/PWM pin to vary the perceived brightness of the LED. The LP3359 uses an active-high enable level. The LP3359 is available in DFN-8 and TSSOP-8 package. Ordering Information LP3359 - □ □ □ F: PB-Free Package MS: MSOP-8 QV: DFN-8 Features Regulated IOUT With ± 0.3% Matching Between Constant Current Outputs Drives One, Two, Three or Four White LED’s with No Ballast Resistors 3.0V to 5.5V Input Voltage Up to 100mA Output Current Active-High Enable Very Small Solution Size Very Low Shutdown Current (0.01µA typical) Available in DFN-8 ,TSSOP-8 Package RoHS Compliant and 100% Lead(Pb)-Free Applications Cellular and Smart mobile phone PDA/DSC LCD Display Typical Application Circuit Pin Configurations LP3359 |
Nº de peça semelhante - LP3359 |
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Descrição semelhante - LP3359 |
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