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Part: AP1551
Category:
Power Management
-> DC-DC Converters
Description: The AP1551 is monolithic IC designed for dual<<<>>>channel step-down DC/DC converters, and own the<<<>>>ability of driving a 2A load each channel without<<<>>>additional transistor component. Due to reducing<<<>>>the number of external component, the board<<<>>>space can be saved easily. The external shutdown<<<>>>function can be controlled by logic level and then<<<>>>come into standby mode. The internal<<<>>>compensation makes feedback control have good<<<>>>line and load regulation without external design.<<<>>>Regarding protected function, thermal shutdown is<<<>>>to prevent over temperature operating from damage,<<<>>>and current limit is against over current operating of<<<>>>the output switch. If current limit function occurred<<<>>>and VFB is down to 0.5V below, the switching<<<>>>frequency will be reduced. The AP1551 operates<<<>>>at a switching frequency of 150KHz thus allowing<<<>>>smaller sized filter components than what would be<<<>>>needed with lower frequency switching regulators.<<<>>>Other features include a guaranteed +4% tolerance<<<>>>on output voltage under specified input voltage and<<<>>>output load conditions, and +15% on the oscillator<<<>>>frequency. The packages are available in a<<<>>>standard 16-lead SOP-16 package.
Company: Anachip Corporation
Datasheet: Download AP1551 datasheet File size : 174 kB
Request For quote: Find where to buy AP1551
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