丝印：TLD55421QV；Package：PG-VQFN-48；H-Bridge DC/DC Controller with SPI Interface Infineon® LITIX™ Power Flex

Features • Single inductor high power Buck-Boost controller • Wide LED forward voltage range (2 V up to 55 V) • Wide VIN range (IC 4.5 V to 40 V, power 4.5 V to 55 V) • Switching frequency range from 200 kHz to 700 kHz • SPI for diagnostics and control • Maximum efficiency in every condition

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