DESCRIPTION

The LX1673 is a highly integrated power supply controller IC featuring one PWM switching regulator stage with an additional onboard linear regulator driver.

With several switching frequencies available (up to 900kHz) the LX1673 can be optimized for both cost and PCB space. Utilizing external compensation, a wide selection of external components can be chosen for use in any application while maintaining stable operation.

KEY FEATURES

◾ Two Independently Regulated Outputs

◾ Outputs As Low As 0.8V Generated From An Internal 1 Reference

◾ Integrated High Current MOSFET Drivers

◾ 300KHz, 600KHz, and 900KHz High Frequency Operation Minimizes External Component Requirements

◾ Soft-Start and Power Sequencing Control

◾ Adjustable Linear Regulator Driver Output

◾ No current-sense resistors

APPLICATIONS/BENEFITS

◾ Video Card Power Supplies

◾ PC Peripherals

◾ Computer Add-On Cards

◾ 3.3V Power Conversion

◾ DDR Memory Termination

LX1673-09CLQ属于集成电路（IC） > 线性稳压器控制器。美高森美公司制造生产的LX1673-09CLQ稳压器 - 线性 + 开关此产品族中的产品用于构建执行 DC-DC 转换或电压调节功能的电路，采用的是开关模式和线性稳压器功能的组合。虽然具体的拓扑各不相同，但此类产品的主要目的是将开关模式技术的效率优势与线性稳压技术的低噪声特性结合在一起。