AN727 - High-Frequency / High-Efficiency Buck Converter Design For Multi-Cell Battery Configured Systems
AN727 Vishay Siliconix High-Frequency, High-Efficiency Buck Converter Design For Multi-Cell Battery Configured Systems Using Si9167 Nitin Kalje INTRODUCTION The Si9167 is a high-frequency synchronous dc-to-dc switching buck regulator, with an operating range suitable for two-cell Li+ battery-powered applications.
Capable of operation up to 2 MHz, the Si9167 can be used to supply power amplifiers and to power up baseband circuits in satellite phones.
Its high operating frequency reduces the siz
AN727 Features
* include an integrated input undervoltage lockout, power on reset, integrated soft start, light load pulse skipping mode selection, synchronization, clock output for master-slave configuration of multiple regulators, uncommitted power-good comparator, and over temperature protection. An output power
