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TOPiza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TOPiza嘉泰姆

· Wide 0.8V to VOUT Input Voltage Range iza嘉泰姆

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

· Low 40mA No Load Bias Current iza嘉泰姆

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

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

· Internal Synchronous Rectifier iza嘉泰姆

· Up to 92% Efficiency iza嘉泰姆

·<1mA Quiescent Current during Shutdown iza嘉泰姆

· Current-Mode Operation with Internal Compensation iza嘉泰姆

 - Stable with Ceramic Output Capacitors iza嘉泰姆

 - Fast Line Transient Responseiza嘉泰姆

 · Fixed 1MHz Oscillator Frequency iza嘉泰姆

· 1.2A Current-Limit Protection iza嘉泰姆

· Built-In Soft-Start iza嘉泰姆

· Over-Temperature Protection with Hysteresis iza嘉泰姆

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

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

   应用范围 返回TOPiza嘉泰姆

· Cell Phone and Smart Phone iza嘉泰姆

· PDA, PMP, and MP3 iza嘉泰姆

· Digital Camera iza嘉泰姆

· Boost Regulatoriza嘉泰姆

   技术规格书（产品PDF) 返回TOP iza嘉泰姆

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