CXSD62316双输出转降压换器Dual Output Regulator (Power Switch Integrated)Dual 0.8A,2.3V-6V Input,1.5MHz Synchronous Step-Down Converter

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CXSD62316双输出转降压换器Dual Output Regulator (Power Switch Integrated)Dual 0.8A,2.3V-6V Input,1.5MHz Synchronous Step-Down Converter The CXSD62316 is a 1.5MHz constant frequency current mode, dual high-efficiency PWM step-down converter. It is ideal for portable equipment requiring very high current up to 0.8A each channel from single-cell Lithium-ion batteries while still achieving over 90% efficiency during peak load conditions. The CXSD62316 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 CXSD62316 can supply up to 0.8A output load current each channel 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,DFN3x3-10 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.4oP嘉泰姆

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High Efficiency: Up to 96%4oP嘉泰姆

1.5MHz Constant Frequency Operation4oP嘉泰姆

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Dual 0.8A Output Current4oP嘉泰姆

No Schottky Diode Required4oP嘉泰姆

2.3V to 6V Input Voltage Range4oP嘉泰姆

Output Voltage as Low as 0.6V4oP嘉泰姆

PFM Mode for High Efficiency in Light Load4oP嘉泰姆

100% Duty Cycle in Dropout Operation4oP嘉泰姆

Low Quiescent Current: 40μA4oP嘉泰姆

Short Circuit Protection4oP嘉泰姆

Thermal Fault Protection4oP嘉泰姆

Inrush Current Limit and Soft Start4oP嘉泰姆

<1μA Shutdown Current4oP嘉泰姆

DFN3x3-10 package4oP嘉泰姆

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Cellular and Smart Phones4oP嘉泰姆

Wireless and DSL Modems4oP嘉泰姆

PDAs4oP嘉泰姆

Portable Instruments4oP嘉泰姆

Digital Still and Video Cameras4oP嘉泰姆

Set Top Box4oP嘉泰姆

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