产品概述 返回TOPNLd嘉泰姆

The CXPU33108/CXPU33108B/CXPU33108C/CXPU33108D 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TOPNLd嘉泰姆

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

„ 95% Efficient DC/DC Converter. NLd嘉泰姆

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

„ Main Channel Selectable Buck or Boost for 2*AA or Li-Ion Application. „ Built-in 6 Channel Synchronous Rectified Current-Mode PWM/PSM Converter, 1 Channel Non-Synchronous Rectified Current-Mode PWM Converter. NLd嘉泰姆

„ Selectable Boost Type with LED open protection or Current Regulation Type LED Driver. NLd嘉泰姆

„ 32-steps brightness control for LED Driver NLd嘉泰姆

„ Built-in HV LDO and RTC LDO NLd嘉泰姆

„ Low Power Consumption ( Sleep Mode ) < 10uA. NLd嘉泰姆

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

„ Built-In Power ON Sequence for CCD+,CCDpower. NLd嘉泰姆

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

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

„ Built-In Thermal Shutdown Function. NLd嘉泰姆

„ Built-In Battery OVP Function. NLd嘉泰姆

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

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

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

„ TQFN4x4-32 Package.NLd嘉泰姆

   应用范围 返回TOPNLd嘉泰姆

DSC Power SupplyNLd嘉泰姆

   技术规格书（产品PDF) 返回TOP NLd嘉泰姆

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