GS92A3

High Performance Single Synchronous Buck Converter http://www.btian.com.cn 185-8843-5432 Kevin GS92A3 Features  Wide Input Voltage Range：3V~28V  Adjustable 0.8V~20V Output Range  Wide output load range: 0 to 8A  ±1% Output Voltage Accuracy over Line and Load  Constant-on-time control scheme for fast transient and high Efficiency  Programmable Operation Frequency from 100kHz to 600kHz  Integrated 18 mΩ at LDO=5V N-Channel MOSFET For High Side  Integrated 9.5 mΩ at LDO=5V N-Channel MOSFET For Low Side  Selectable Forced PWM or automatic PFM/PWM mode  Under-Voltage Protection  Over-Voltage Protection  FB Short Protection  Internal 5V Pre-regulator  External Adjustable Soft-Start and Soft-Stop  Over Temperature Protection  Programmable Over Current Protection  TQFN23-4x4 package  Green Product (RoHS, Lead-Free, Halogen-Free Compliant) Applications  Notebook computers  CPU core/IO Supplies  Chip/RAM Supplies General Description The GS92A3 is small size chip with a relative constant on-time synchronous buck switching converter suitable for applications in notebook computers and other battery operated portable devices. Features include wide input voltage range, high efficiency and fast dynamic response The GS92A3 has a unique power save mode, which can save battery power supply by decreasing frequency when load current falls down below preset critical current point. The fast dynamic transient response means that buck converter applications based on GS92A3 wi...