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

   产品概述 返回TOP0K3嘉泰姆

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 current0K3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 0K3嘉泰姆

for low dropout operation,extending battery life in portable systems while light load 0K3嘉泰姆

operation provides very low output ripple for noise sensitive applications. The 0K3嘉泰姆

CXSD62318 can supply up to 2A output load current each channel from a 2.3V to 6V 0K3嘉泰姆

input voltage and the output voltage can be regulated as low as 0.6V. The high0K3嘉泰姆

switching frequency minimizes the size of external components while keeping switching 0K3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 0K3嘉泰姆

in a Pb-free, 8-Lead ESOP package and is rated over the -40°C to +85°C temperature 0K3嘉泰姆

range.This device offers two operation modes, PWM control and PFM Mode switching 0K3嘉泰姆

control, which allows a high efficiency over the wider range of the load.0K3嘉泰姆

   产品特点 返回TOP0K3嘉泰姆

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High Efficiency: Up to 96%0K3嘉泰姆

1.5MHz Constant Frequency Operation0K3嘉泰姆

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Dual 2A Output Current0K3嘉泰姆

No Schottky Diode Required0K3嘉泰姆

2.3V to 6V Input Voltage Range0K3嘉泰姆

Output Voltage as Low as 0.6V0K3嘉泰姆

PFM Mode for High Efficiency in Light Load0K3嘉泰姆

100% Duty Cycle in Dropout Operation0K3嘉泰姆

Low Quiescent Current: 40μA0K3嘉泰姆

Short Circuit Protection0K3嘉泰姆

Thermal Fault Protection0K3嘉泰姆

Inrush Current Limit and Soft Start0K3嘉泰姆

<1μA Shutdown Current0K3嘉泰姆

ESOP8 package0K3嘉泰姆

   应用范围 返回TOP0K3嘉泰姆

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Cellular and Smart Phones0K3嘉泰姆

Wireless and DSL Modems0K3嘉泰姆

PDAs0K3嘉泰姆

Portable Instruments0K3嘉泰姆

Digital Still and Video Cameras0K3嘉泰姆

Set Top Box0K3嘉泰姆

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