详细说明：

RT8809A/B是双相同步降压PWM

控制器以及集成驱动高性能微处理器和计算机图形 G-NAVP TM PWM

应用。the IC integrates G - navp TM PWM

controller, two 12V MOSFET drivers with internal bootstrap

两个控制器，MOSFET驱动器以及内部引导12V

diodes, as well as output current monitoring and protection

二极管，as well as输出电流监测与保护

functions into the WQFN-24L 4x4 package. The

功能into the wqfn - 241 SUV的包。the

RT8809A/B adopts DCR and RDS(ON) current sensing. Load

rt8809a / B采用DCR和RDS（on）电流传感。负荷

line voltage positioning (droop) and over current protection

线电压定位和过电流保护（droop）

are accomplished through continuous inductor DCR current

通过连续电感DCR电流是完成的

sensing, while RDS(ON) current sensing is used for accurate

遥感，while RDS（on）电流传感is used for准确

channel current balance. Using both methods of current

通道电流平衡。经常用both Methods of

sampling utilizes the best advantages of each technique.

中文描述：采用最好的advantages of each采样技术。

The RT8809A/B also features a one-bit VID control

the rt8809a / B also features一一位VID控制

operation in which the feedback voltage is regulated and

in which the操作电压是调节与反馈

tracks external input reference voltage. Other features

轨道外部输入参考电压。其他特点

include, adjustable operating frequency, external

include操作，可调频率，外部

compensation, and enable/shutdown functions.

启动/关机功能和补偿。