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LM3519

National Semiconductor
Part Number LM3519
Manufacturer National Semiconductor
Title High Frequency Boost White LED Driver
Description The LM3519 drives up to 4 white LEDs with constant current to provide LCD backlighting in handheld devices. The LED current is internally set to 2...
Features a proprietary PFM regulation architecture with switching frequencies between 2MHz to 8MHz, minimizing inductor size. Over-voltage protection circuitry and high frequency operation permit the use of low-cost small output capacitors. During shutdown, t...

Published Sep 29, 2005
Datasheet PDF File LM3519 PDF File


LM3519
LM3519


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