1.5MHz, 3A Synchronous Step-Down DC/DC Converter CXSD61043S is a constant frequency, current mode step-down converter. The device integrates a main switch and a synchronous rectifier for high efficie

   产品概述 返回TOPhzB嘉泰姆

The CXSD61043S is a constant frequency, current mode step-down converter. The device integrates a main switch and a synchronous rectifier for high efficiency without an external Schottky diode. It is ideal for powering portable equipment that runs from a single cell Lithium-Ion (Li+) battery. The CXSD61043S can supply up to 3A output load current from a 2.3V to 6V input voltage and the output voltage can be regulated as low as 0.6V. The CXSD61043S can also 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 internal slope compensation setting allows the device to operate with smaller inductor values to optimize size and provide efficient operation. The CXSD61043S is available in adjustable (0.6V to VIN) output voltage. 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TOPhzB嘉泰姆

x High Efficiency: Up to 95% hzB嘉泰姆

x 1.5MHz Constant Frequency Operation hzB嘉泰姆

x 3A Output Current hzB嘉泰姆

x No Schottky Diode Required hzB嘉泰姆

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

x Output Voltage as Low as 0.6V hzB嘉泰姆

x Low Quiescent Current: 40μA hzB嘉泰姆

x 100% Duty Cycle in Dropout Operation hzB嘉泰姆

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

x Slope Compensated Current Mode Control for Excellent Line and Load Transient Response hzB嘉泰姆

x Inrush Current Limit and Soft Start hzB嘉泰姆

x <1μA Shutdown Current hzB嘉泰姆

x Available in ESOP-8 packagehzB嘉泰姆

   应用范围 返回TOPhzB嘉泰姆

x Cable/DSL Modems hzB嘉泰姆

x Computer Peripherals hzB嘉泰姆

x Network Cards hzB嘉泰姆

x High Efficiency Conversion from 5V or 3.3 Supply hzB嘉泰姆

x Set-Top BoxeshzB嘉泰姆

   技术规格书（产品PDF) 返回TOP hzB嘉泰姆

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