Download SI9169 Datasheet PDF
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SI9169 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 bines the 2 MHz switching controller with fully integrated high-frequency MOSFETs to deliver the smallest and most efficient...

SI9169 Key Features

  • Voltage Mode Control
  • Fully Integrated MOSFET Switches
  • 2.7 V to 6 V Input Voltage Range
  • Programmable PWM/PSM Control
  • Up to 1 A Output Current at 3.6 V in PWM
  • Up to 2 MHz Adjustable Switching Frequency in PWM
  • Less than 200 µA Quiescent Current in PSM
  • Integrated UVLO and POR
  • Integrated Soft-Start
  • Synchronization