1MHz, High-Efficiency, Step-Up Converter with Load Disconnection CXSU63141 is a synchronous rectifier, fixed switching frequency (1MHz typical), and current-mode step-up regulator.

   产品概述 返回TOP5WD嘉泰姆

The CXSU63141 is a synchronous rectifier, fixed switching frequency (1MHz typical), and current-mode step-up regulator. The device allows use of small inductors and output capacitors for portable devices. The current-mode control scheme provides fast transient response and good output voltage accuracy   

At light loads, the CXSU63141 will automatically enter in pulse frequency modulation(PFM) operation to reduce the dominant switching losses. During PFM operation, the IC consumes very low quiescent current and maintains high efficiency over the complete load range. The device has a 1.05V start-up voltage and can operate with input voltage down to 0.8V after start-up The CXSU63141 also includes current-limit and over-temperature shutdown to prevent damage in the event of an output overload. The CXSU63141 is available in 2mmx2mm TDFN2x2-8 and TSOT-23-6A packages.

   产品特点 返回TOP5WD嘉泰姆

· Wide 0.8V to VOUT Input Voltage Range 5WD嘉泰姆

· Low 1.05V (typical) Start-Up Voltage 5WD嘉泰姆

· Low 40mA No Load Bias Current 5WD嘉泰姆

· 100mA Output from a Single AA Cell Input 5WD嘉泰姆

· 250mA Output from a Dual AA Cell Input 5WD嘉泰姆

· Internal Synchronous Rectifier 5WD嘉泰姆

· Up to 92% Efficiency 5WD嘉泰姆

·<1mA Quiescent Current during Shutdown 5WD嘉泰姆

· Current-Mode Operation with Internal Compensation 5WD嘉泰姆

 - Stable with Ceramic Output Capacitors 5WD嘉泰姆

 - Fast Line Transient Response5WD嘉泰姆

 · Fixed 1MHz Oscillator Frequency 5WD嘉泰姆

· 1.2A Current-Limit Protection 5WD嘉泰姆

· Built-In Soft-Start 5WD嘉泰姆

· Over-Temperature Protection with Hysteresis 5WD嘉泰姆

· Available in a 2mmx2mm TDFN2x2-8 and TSOT- 23-6A Packages 5WD嘉泰姆

· Halogen and Lead Free Available (RoHS Compliant)5WD嘉泰姆

   应用范围 返回TOP5WD嘉泰姆

· Cell Phone and Smart Phone 5WD嘉泰姆

· PDA, PMP, and MP3 5WD嘉泰姆

· Digital Camera 5WD嘉泰姆

· Boost Regulator5WD嘉泰姆

   技术规格书（产品PDF) 返回TOP 5WD嘉泰姆

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