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Demonstration Board, LT3932EUFD#PBF, Synchronous Buck LED Driver, 9 to 36 V, 8 V/2 A Out


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Product Overview

Demonstration circuit DC2286A is a 36V, 2A synchronous 2MHz buck LED driver featuring the LT®3932. It drives one or two series LEDs at 1A when VIN is between 9V and 36V and can run down to 4VIN with a single LED (if UVLO is adjusted). DC2286A runs at 2MHz switching frequency. Spread spectrum frequency modulation (SSFM) can be enabled with a simple jumper, reducing EMI. DC2286A comes with low EMI features including optimized layout, SSFM and input and output filters. It passes CISPR 25 class 5 conducted and radiated EMI. It is protected against both open and short LED conditions and reports the faults. The LT3932 has an input voltage range from 9V to 36V. It has internal, synchronous 40V switches for high efficiency and small size. It has an adjustable switching frequency between 200KHz and 2MHz. It can be synchronized to an external source or programmed with SSFM for low EMI.

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Demonstration Board LT3932EUFD#PBF


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