LC3300 converter equivalent, variable frequency step-up dc/dc converter.
allowing series connection of the white LEDs so that the LED currents are identical for uniform brightness. An enable input can be pulsed repeatedly to adjust LEDs bright.
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Compact Back Light Module Power Source for LED Constant Current Source
TYPICAL APPLICATION
L1 VIN
1.
The LC3300 variable frequency step-up Converter drives white LEDs with a constant current to provide backlight in cell phones, PDAs, and other hand-held devices. It features allowing series connection of the white LEDs so that the LED currents are id.
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