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SI9169 - High Frequency 1-A Synchronous Buck/Boost Converter

Description

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.

Features

  • Voltage Mode Control.
  • Fully Integrated MOSFET Switches.
  • 2.7 V to 6 V Input Voltage Range RoHS.
  • Programmable PWM/PSM Control.

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Datasheet preview – SI9169

Datasheet Details

Part number SI9169
Manufacturer Vishay Siliconix
File Size 167.62 KB
Description High Frequency 1-A Synchronous Buck/Boost Converter
Datasheet download datasheet SI9169 Datasheet
Additional preview pages of the SI9169 datasheet.

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Full PDF Text Transcription

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Product is End of Life 12/2014 Si9169 Vishay Siliconix High Frequency 1-A Synchronous Buck/Boost Converter DESCRIPTION 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 µF with peak-to-peak output ripple as low as 10 mV.
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