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LP3311S

Lowpowersemi
Part Number LP3311S
Manufacturer Lowpowersemi
Description Constant Current Switching Regulator
Published Jan 30, 2016
Detailed Description Preliminary Datasheet LP3311S High Performance, Constant Current Switching Regulator For 8PCS White LED In Series Gen...
Datasheet PDF File LP3311S PDF File

LP3311S
LP3311S

Overview
Preliminary Datasheet LP3311S High Performance, Constant Current Switching Regulator For 8PCS White LED In Series General Description The LP3311S is a 1MHz PWM boost switching regulator designed for constant current white LED driver applications.
The LP3311S can drive a string of up to 8 white LED in series, ensuring uniform brightness and eliminating several ballast resistors.
The LP3311S implements a constant frequency 1MHz PWM control scheme.
The high frequency PWM operation also saves board space by reducing external component size.
To improve efficiency, the feedback voltage is set to 200 mV, which reduces the power dissipation in the current setting resistor.
Highly integration and ...


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