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...
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Datasheet | LM3519 Datasheet |