SI9169 Overview
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