1.5MHz, 2A Synchronous Step-Down Converter CXSD61042S is a 1.5MHz constant frequency, current mode step-down converter. It is ideal for portable equipment requiring very high current up to 2A

   产品概述 返回TOPq5H嘉泰姆

The CXSD61042S is a 1.5MHz constant frequency, current mode step-down converter. It is ideal for portable equipment requiring very high current up to 2A from single-cell Lithium-ion batteries while still achieving over 90% efficiency during peak load conditions. The CXSD61042S also can run at 100% duty cycle for low dropout operation, extending battery life in portable systems while light load operation provides very low output ripple for noise sensitive applications. The CXSD61042S can supply up to 2A output load current from a 2.3V to 6V input voltage and the output voltage can be regulated as low as 0.6V. The high switching frequency minimizes the size of external components while keeping switching losses low. The internal slope compensation setting allows the device to operate with smaller inductor values to optimize size and provide efficient operation. The device is available in a Pb-free, SOP8 package and is rated over the -40°C to +85°C temperature range. 

This device offers two operation modes, PWM control and PFM Mode switching control, which allows a high efficiency over the wider range of the load.

   产品特点 返回TOPq5H嘉泰姆

x High Efficiency: Up to 96% q5H嘉泰姆

x 1.5MHz Constant Frequency Operation q5H嘉泰姆

x 2A Output Current q5H嘉泰姆

x No Schottky Diode Required q5H嘉泰姆

x 2.3V to 6V Input Voltage Range q5H嘉泰姆

x Output Voltage as Low as 0.6V q5H嘉泰姆

x PFM Mode for High Efficiency in Light Load q5H嘉泰姆

x 100% Duty Cycle in Dropout Operation q5H嘉泰姆

x Low Quiescent Current: 40μA q5H嘉泰姆

x Short Circuit Protection q5H嘉泰姆

x Thermal Fault Protection q5H嘉泰姆

x Inrush Current Limit and Soft Start q5H嘉泰姆

x <1μA Shutdown Current q5H嘉泰姆

x SOP8 packageq5H嘉泰姆

   应用范围 返回TOPq5H嘉泰姆

x Cellular and Smart Phones q5H嘉泰姆

x Wireless and DSL Modems q5H嘉泰姆

x PDAs q5H嘉泰姆

x Portable Instruments q5H嘉泰姆

x Digital Still and Video Cameras q5H嘉泰姆

x PC Cardsq5H嘉泰姆

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