PFM MODE BOOST LED DRIVER
Description
IS31LT3948
PFM MODE BOOST LED DRIVER WITH THE EXTERNAL NMOS
OCTOBER 2011 GENERAL DESCRIPTION The IS31LT3948 is a PFM step-up DC-DC converter designed for driving the white LED arrays for large size LCD panel backlighting applications. It can deliver stable constant output current from a few milliamps up to 2A, programmed via an external resistor. The IS31LT3...
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