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 currentoyG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 oyG嘉泰姆

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

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

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

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

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

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

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

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

   产品特点 返回TOPoyG嘉泰姆

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High Efficiency: Up to 96%oyG嘉泰姆

1.5MHz Constant Frequency OperationoyG嘉泰姆

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Dual 2A Output CurrentoyG嘉泰姆

No Schottky Diode RequiredoyG嘉泰姆

2.3V to 6V Input Voltage RangeoyG嘉泰姆

Output Voltage as Low as 0.6VoyG嘉泰姆

PFM Mode for High Efficiency in Light LoadoyG嘉泰姆

100% Duty Cycle in Dropout OperationoyG嘉泰姆

Low Quiescent Current: 40μAoyG嘉泰姆

Short Circuit ProtectionoyG嘉泰姆

Thermal Fault ProtectionoyG嘉泰姆

Inrush Current Limit and Soft StartoyG嘉泰姆

<1μA Shutdown CurrentoyG嘉泰姆

ESOP8 packageoyG嘉泰姆

   应用范围 返回TOPoyG嘉泰姆

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Cellular and Smart PhonesoyG嘉泰姆

Wireless and DSL ModemsoyG嘉泰姆

PDAsoyG嘉泰姆

Portable InstrumentsoyG嘉泰姆

Digital Still and Video CamerasoyG嘉泰姆

Set Top BoxoyG嘉泰姆

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