CXSD62303 800mA,2-6V Input,1.5MHz Synchronous Step-Down Converter constant frequency, current mode PWM step-down converter. The device integrates a main switch and a synchronous rectifier

   产品概述 返回TOP1tW嘉泰姆

  The CXSD62303 is a constant frequency, current mode PWM step-down 

converter. The device integrates a main switch and a synchronous rectifier

 for high efficiency without an external Schottky diode. It is ideal for 

powering portable equipment that runs from a single cell Lithium-Ion (Li+)

battery. The output voltage can be regulated as low as 0.6V. The CXSD62303 

can also run at 100% duty cycle for low dropout operation, extending battery

 life in portable system. 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.The CXSD62303 is offered in a low profile 5-pin,SOT 

package, and is available in an adjustable version and fixed output voltage

 of 1.2V,1.5V, 1.8V,2.5V and 3.3V.

   产品特点 返回TOP1tW嘉泰姆

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High Efficiency: Up to 96%1tW嘉泰姆

1.5MHz Constant Frequency Operation1tW嘉泰姆

800mA Output Current1tW嘉泰姆

No Schottky Diode Required1tW嘉泰姆

2V to 6V Input Voltage Range1tW嘉泰姆

Output Voltage as Low as 0.6V1tW嘉泰姆

PFM Mode for High Efficiency in Light Load1tW嘉泰姆

100% Duty Cycle in Dropout Operation1tW嘉泰姆

Low Quiescent Current: 20μA1tW嘉泰姆

Slope Compensated Current Mode Control for1tW嘉泰姆

Excellent Line and Load Transient Response1tW嘉泰姆

Short Circuit Protection1tW嘉泰姆

Thermal Fault Protection1tW嘉泰姆

Inrush Current Limit and Soft Start1tW嘉泰姆

<1μA Shutdown Current1tW嘉泰姆

SOT23-5 package1tW嘉泰姆

   应用范围 返回TOP1tW嘉泰姆

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Cellular and Smart Phones1tW嘉泰姆

Wireless and DSL Modems1tW嘉泰姆

PDAs1tW嘉泰姆

Portable Instruments1tW嘉泰姆

Digital Still and Video Cameras1tW嘉泰姆

MP3 Players1tW嘉泰姆

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