1.5MHz, 2A Synchronous Step-Down Converter CXSD61040 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 sing

   产品概述 返回TOPQq0嘉泰姆

The CXSD61040 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 CXSD61040 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 CXSD61040 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 CXSD61040 is offered in a low profile (1mm) 6-pin, thin SOT package, and is available in an adjustable version. 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TOPQq0嘉泰姆

• High Efficiency: Up to 96% Qq0嘉泰姆

• 1.5MHz Constant Frequency Operation Qq0嘉泰姆

• 2A Output Current Qq0嘉泰姆

• No Schottky Diode Required Qq0嘉泰姆

• 2.3V to 6V Input Voltage Range Qq0嘉泰姆

• Output Voltage as Low as 0.6V Qq0嘉泰姆

• PFM Mode for High Efficiency in Light Load Qq0嘉泰姆

• 100% Duty Cycle in Dropout Operation Qq0嘉泰姆

• Low Quiescent Current: 40μA Qq0嘉泰姆

• Short Circuit Protection Qq0嘉泰姆

• Thermal Fault Protection Qq0嘉泰姆

• Inrush Current Limit and Soft Start Qq0嘉泰姆

• <1μA Shutdown Current Qq0嘉泰姆

• SOT23-6 packageQq0嘉泰姆

   应用范围 返回TOPQq0嘉泰姆

• Cellular and Smart Phones Qq0嘉泰姆

• Wireless and DSL Modems Qq0嘉泰姆

• PDAs Qq0嘉泰姆

• Portable Instruments Qq0嘉泰姆

• Digital Still and Video Cameras Qq0嘉泰姆

• PC CardsQq0嘉泰姆

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