ZHCSH69 December 2017 TPS40345
PRODUCTION DATA.
The TPS40345 is a cost-optimized synchronous buck controller providing high-end features to construct high-performance DC–DC converters. Prebias capability eliminates concerns about damaging sensitive loads during start-up. Programmable overcurrent protection levels and hiccup overcurrent fault recovery maximize design flexibility and minimize power dissipation in the event of a prolonged output short. The frequency spread spectrum (FSS) feature reduces peak EMI noise by spreading the initial energy of each harmonic along a frequency band, thus giving a wider spectrum with lower amplitudes.