The MST9220B is a high efficiency current-mode boostconverter with a fixed operation frequency.
(MST9220B是一种工作频率固定的高效率电流型升压变换器)
The MST9220B hasbeen integrated a very low Rds-on NMOS FET to reduce powerloss and achieve high efficiency.
(MST9220B集成了一个非常低的Rds-on NMOS场效应晶体管,以减少功耗和实现高效)
The maximum efficiency is upto 93%. The output Voltage can be programmed by feedbackresistances, and the maximum output voltage is 10V.
(最大效率可达93%。输出电压可通过反馈电阻编程,最大输出电压为10V)
MST9220B can output 2A current when VIN is higher than 3.3V and output is5V.
(当VIN大于3.3V,输出为5v时,MST9220B可以输出2A电流。)
1.2MHz operation frequency minimizes L and C value, andinternal compensation network reduces external componentcounts.
(1.2MHz的工作频率使L值和C值最小,内部补偿网络减少了外部组件数。)
SOT23-6 package provides the best solution for PCB.
(SOT23-6封装为PCB提供了最佳的解决方案。)
特点:
·Wide Input Range: 2.5-6V Input,(输入范围:2.5-6V输入,)
·MST9220B Up To 2A Output Current(MST9220B最大输出电流2A)
· 1.2MHz Switching Frequency(1.2 mhz切换频率)
· Low RDS(ON): 70mΩ
· Up to 93% Efficiency(高达93%的效率)
. Over Voltage Protection(过压保护)
· Under-Voltage Lockout Protection(欠压保护)
· Over-Temperature Protection(过温保护)
· Internal Soft Start(内部软启动)
·1uA Shutdown Current
· Accurate Reference: 0.6V VREF
· Compact package: SOT23-6
详细信息查看以下文件:/upload/community/2019/07/04/1562221957-44581.pdf