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首页 > Products > MCU Memory ADC Clock  > PMU >CXPU33109内置4个LDO调节器6通道同步整流电流模式PWM/PSM转换器LED驱动器采用I2C进行32步亮度控制高压LDO和RTC LDO DC转换器的逐周电流限制电池过电压保护功能固定1.5MHz/750KHz工作频率
CXPU33109内置4个LDO调节器6通道同步整流电流模式PWM/PSM转换器LED驱动器采用I2C进行32步亮度控制高压LDO和RTC LDO DC转换器的逐周电流限制电池过电压保护功能固定1.5MHz/750KHz工作频率

为数码相机提供了完整的电源解决方案。与其他2芯AA、1芯锂离子和多电池设计的多通道控制器相比,它们提高了性能、组件数量和尺寸。片上mosfet为关键电源提供高达92~95%的效率。所有通道DC/DC以1.5MHz/750KHz的固定频率运行,以优化尺寸、成本和效率。所有的同步变换器在轻载时都以脉冲跳过模式工作。它们还具有真正的关机和内部补偿功能,以最小化外部组件计数
1.5V~5.5V输入电压运行。
95%高效DC/DC转换器
·具有集成功率mosfet的高度集成7通道DC/DC
·主通道可选降压或升压,用于2*AA或锂离子应用
内置6通道同步整流电流模式PWM/PSM转换器,1通道非同步整流电流模式PWM转换器。
带LED开路保护LED驱动器的升压型
·LED驱动器采用I2 C进行32步亮度控制
内置高压LDO和RTC LDO
内置4个LDO调节器
·低功耗(睡眠模式)<10μA。
内置4通道同步整流转换器的可选电源开/关顺序。
·内置CCD+、CCD-电源和HVLDO的I2C电源开/关序列。
内置短路保护(SCP)和欠压保护(UVP)
·DC/DC转换器的逐周电流限制
内置热关机功能。
内置电池过电压保护功能。
内置软启动功能。
·增压转换器内置真正关闭。
·固定1.5MHz/750KHz工作频率。

CXPU33109内置4个LDO调节器6通道同步整流电流模式PWM/PSM转换器LED驱动器采用I2C进行32步亮度控制高压LDO和RTC LDO DC转换器的逐周电流限制电池过电压保护功能固定1.5MHz/750KHz工作频率
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1.产品概述       2.产品特点     sXH嘉泰姆

3.应用范围       4.技术规格书下载(PDF文档)sXH嘉泰姆

5.产品封装       6.电路原理图  sXH嘉泰姆

7.相关产品sXH嘉泰姆

   产品概述 返回TOPsXH嘉泰姆


The CXPU33109 provide a complete power supply solution for digital cameras. They improve performance, component count, and size compared to other multi-channel controllers in 2-cell AA, 1-cell Li-Ion, and multi-battery designs. On-chip MOSFETs provide up to 92~95% efficiency for critical power supplies. All channels DC/DC operate at one fixed frequency of 1.5MHz/750KHz to optimize size, cost, and efficiency. All Synchronous converters operate at pulse skipping mode at light load. They also feature True-Shutdown as well as internal compensation to minimize external component count..

   产品特点 返回TOPsXH嘉泰姆


„ 1.5V ~ 5.5V Input Voltage Operation. sXH嘉泰姆

„ 95% Efficient DC/DC Converter sXH嘉泰姆

„ Highly Integrated 7-CH DC/DC with integrated Power MOSFETs sXH嘉泰姆

„ Main Channel Selectable Buck or Boost for 2*AA or Li-Ion Application sXH嘉泰姆

„ Built-in 6 Channel Synchronous Rectified Current-Mode PWM/PSM Converter, 1 Channel Non-Synchronous Rectified Current-Mode PWM Converter. sXH嘉泰姆

„ Boost Type with LED open protection LED Driver sXH嘉泰姆

„ 32-steps brightness control by I2 C for LED Driver sXH嘉泰姆

„ Built-in HV LDO and RTC LDO sXH嘉泰姆

„ Built-in 4 LDO regulators sXH嘉泰姆

„ Low Power Consumption ( Sleep Mode ) < 10μA. sXH嘉泰姆

„ Built-In Selectable Power ON/OFF Sequence for 4 Channel Synchronous Rectified Converter. sXH嘉泰姆

„ Built-In Power ON/OFF Sequence by I2C for CCD+,CCD- power, and HVLDO. sXH嘉泰姆

„ Built-In Short Circuit Protection (SCP) & Under Voltage Protection (UVP) sXH嘉泰姆

„ Cycle-by-Cycle current limit for DC/DC Converter sXH嘉泰姆

„ Built-In Thermal Shutdown Function.sXH嘉泰姆

„ Built-In Battery OVP Function. sXH嘉泰姆

„ Built-In Soft-Start Function. sXH嘉泰姆

„ Built-In True Shutdown in Boost Converter. sXH嘉泰姆

„ Fixed 1.5MHz/750KHz Operating Frequency. sXH嘉泰姆

„ TQFN40 Package (5mmx5mm).sXH嘉泰姆

   应用范围 返回TOPsXH嘉泰姆


DSC and DV Power SupplysXH嘉泰姆

   技术规格书(产品PDF) 返回TOP sXH嘉泰姆


     需要详细的PDF规格书请扫一扫微信联系我们,还可以获得免费样品以及技术支持!sXH嘉泰姆

 QQ截图20160419174301.jpgsXH嘉泰姆

产品封装图 返回TOPsXH嘉泰姆


image.pngsXH嘉泰姆

电路原理图 返回TOPsXH嘉泰姆


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