Si9167 Overview
The Si9167 provides a fully integrated synchronous buck converter solution for the latest 2-cell Lithium Ion battery cellular phones. Capable of delivering up to 600 mA of output current, the Si9167 provides ample power for various Baseband circuits as well as for some PAs. The Si9167 bines the 2 MHz switching frequency with fully integrated high-frequency MOSFETs to deliver the smallest and most efficient converter...
Si9167 Key Features
- Voltage Mode Control
- 5 V to 10 V Input Voltage Range
- Fully Integrated 600 mA MOSFET Switches
- Synchronous Rectifier Switch
- Synchronizable, Constant-Frequency PWM Mode (up to 2 MHz)
- Programmable PWM/PSM Control
- Up to 600 mA Output Current in PWM with 950 µA Quiescent Current
- Up to 150 mA Output Current in PSM with 200 µA Quiescent Current
- Low Dropout Operation at Low VIN
- Integrated UVLO, POR and OTP