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LP3390

Part Number	LP3390
Manufacturer	Lowpowersemi
Description	Constant Current Switching
Published	Sep 13, 2018
Detailed Description	Preliminary Datasheet LP3390 High Performance, Constant Current Switching for White LED and Boost Convertor General De...
Datasheet	LP3390 PDF File

Overview

Preliminary Datasheet LP3390 High Performance, Constant Current Switching for White LED and Boost Convertor General Description The LP3390 is a high frequency, asynchronous boost converter for constant current white LED driver applications.
The internal MOSFET can support up to 8 White LEDs for backlighting and OLED power application,and the internal soft start function can reduce the inrush current.
The LED current is initially set with the external sense resistor.
To improve efficiency, the feedback voltage is set to 200mV, which reduces the power dissipation in the current setting resistor.
The LP3390 implements a constant frequency 1.
2MHz PWM control scheme.
Optimized operation frequen...

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