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Partname: | Si9169BQ-T1 |
Description: | High Frequency 1-A Synchronous Buck/Boost Converter |
Manufacturer: | |
Datasheet: | PDF (76.1K). Click here to download *) |
The Si9169 provides fully integrated synchronous buck or boost converter solution for the latest one cell Lithium Ion cellular phones. Capable of delivering up to 1 A of output current at +3.6 V, the Si9169 provides ample power for various baseband circuits as well as for some PAs. It combines the 2-MHz switching controller with fully integrated high-frequency MOSFETs to deliver the smallest and most efficient converter available today. The 2-MHz switching frequency reduces the inductor height to new level of 2 mm and minimizes the output capacitance requirement to less than 10 mF with peak-to-peak output ripple as low as 10 mV. Combined with low-gate charge high-frequency MOSFETs, the Si9169 delivers efficiency up to 95%. The programmable pulse skipping mode maintains this high efficiency even during the standby and idle modes to increase overall battery life and talktime. In order to extract the |
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