Dual 2A,2.3V-6V Input,1.5MHz Synchronous Step-Down Converter CXSD62318 is a 1.5MHz constant frequency current mode, dual high-efficiency PWM step-down converter. It is ideal for portable equipment

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The CXSD62318 is a 1.5MHz constant frequency current mode, dual high-efficiency 

PWM step-down converter. It is ideal for portable equipment requiring very high current4zY嘉泰姆

 up to 2A each channel from single-cell Lithium-ion batteries while still achieving over 90% efficiency during peak load conditions. The CXSD62318 also can run at 100% duty cycle 4zY嘉泰姆

for low dropout operation,extending battery life in portable systems while light load 4zY嘉泰姆

operation provides very low output ripple for noise sensitive applications. The 4zY嘉泰姆

CXSD62318 can supply up to 2A output load current each channel from a 2.3V to 6V 4zY嘉泰姆

input voltage and the output voltage can be regulated as low as 0.6V. The high4zY嘉泰姆

switching frequency minimizes the size of external components while keeping switching 4zY嘉泰姆

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 4zY嘉泰姆

in a Pb-free, 8-Lead ESOP package and is rated over the -40°C to +85°C temperature 4zY嘉泰姆

range.This device offers two operation modes, PWM control and PFM Mode switching 4zY嘉泰姆

control, which allows a high efficiency over the wider range of the load.4zY嘉泰姆

   产品特点 返回TOP4zY嘉泰姆

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High Efficiency: Up to 96%4zY嘉泰姆

1.5MHz Constant Frequency Operation4zY嘉泰姆

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Dual 2A Output Current4zY嘉泰姆

No Schottky Diode Required4zY嘉泰姆

2.3V to 6V Input Voltage Range4zY嘉泰姆

Output Voltage as Low as 0.6V4zY嘉泰姆

PFM Mode for High Efficiency in Light Load4zY嘉泰姆

100% Duty Cycle in Dropout Operation4zY嘉泰姆

Low Quiescent Current: 40μA4zY嘉泰姆

Short Circuit Protection4zY嘉泰姆

Thermal Fault Protection4zY嘉泰姆

Inrush Current Limit and Soft Start4zY嘉泰姆

<1μA Shutdown Current4zY嘉泰姆

ESOP8 package4zY嘉泰姆

   应用范围 返回TOP4zY嘉泰姆

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Cellular and Smart Phones4zY嘉泰姆

Wireless and DSL Modems4zY嘉泰姆

PDAs4zY嘉泰姆

Portable Instruments4zY嘉泰姆

Digital Still and Video Cameras4zY嘉泰姆

Set Top Box4zY嘉泰姆

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