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TOPmx4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 currentmx4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 mx4嘉泰姆

for low dropout operation,extending battery life in portable systems while light load mx4嘉泰姆

operation provides very low output ripple for noise sensitive applications. The mx4嘉泰姆

CXSD62318 can supply up to 2A output load current each channel from a 2.3V to 6V mx4嘉泰姆

input voltage and the output voltage can be regulated as low as 0.6V. The highmx4嘉泰姆

switching frequency minimizes the size of external components while keeping switching mx4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 mx4嘉泰姆

in a Pb-free, 8-Lead ESOP package and is rated over the -40°C to +85°C temperature mx4嘉泰姆

range.This device offers two operation modes, PWM control and PFM Mode switching mx4嘉泰姆

control, which allows a high efficiency over the wider range of the load.mx4嘉泰姆

   产品特点 返回TOPmx4嘉泰姆

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High Efficiency: Up to 96%mx4嘉泰姆

1.5MHz Constant Frequency Operationmx4嘉泰姆

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Dual 2A Output Currentmx4嘉泰姆

No Schottky Diode Requiredmx4嘉泰姆

2.3V to 6V Input Voltage Rangemx4嘉泰姆

Output Voltage as Low as 0.6Vmx4嘉泰姆

PFM Mode for High Efficiency in Light Loadmx4嘉泰姆

100% Duty Cycle in Dropout Operationmx4嘉泰姆

Low Quiescent Current: 40μAmx4嘉泰姆

Short Circuit Protectionmx4嘉泰姆

Thermal Fault Protectionmx4嘉泰姆

Inrush Current Limit and Soft Startmx4嘉泰姆

<1μA Shutdown Currentmx4嘉泰姆

ESOP8 packagemx4嘉泰姆

   应用范围 返回TOPmx4嘉泰姆

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Cellular and Smart Phonesmx4嘉泰姆

Wireless and DSL Modemsmx4嘉泰姆

PDAsmx4嘉泰姆

Portable Instrumentsmx4嘉泰姆

Digital Still and Video Camerasmx4嘉泰姆

Set Top Boxmx4嘉泰姆

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