3A Synchronous Step-Down Converter CXSD61043 is a high-efficiency monolithic synchronous buck regulator using a constant frequency, current mode architecture. The device is available in an adjustabl

   产品概述 返回TOPVON嘉泰姆

The CXSD61043 is a high-efficiency monolithic synchronous buck regulator using a constant frequency, current mode architecture. The device is available in an adjustable version. Supply current with no load is 40uA and drops to <1uA in shutdown. The 2.5V to 5.5V input voltage range makes the CXSD61043 ideally suited for single Li-Ion battery powered applications. 100% duty cycle provides low dropout operation, extending battery life in portable systems. PWM/PFM mode operation provides very low output ripple voltage for noise sensitive applications.Switching frequency is internally set at 1MHz, allowing the use of small surface mount inductors and capacitors. Low output voltages are easily supported with the 0.6V feedback reference voltage.

The CXSD61043 is offered in a low profile (1mm) 5-pin, thin SOT package, and is available in an adjustable version.

   产品特点 返回TOPVON嘉泰姆

 High Efficiency: Up to 96% VON嘉泰姆

 2.5V to 5.5V Input Voltage Range VON嘉泰姆

 1MHz Constant Frequency Operation VON嘉泰姆

 No Schottky Diode Required VON嘉泰姆

 Low Dropout Operation:100% Duty Cycle VON嘉泰姆

 PFM Mode for High Efficiency in Light Load VON嘉泰姆

 Over temperature Protected VON嘉泰姆

 Low Quiescent Current: 40μA VON嘉泰姆

 Short Circuit Protection VON嘉泰姆

 Over Voltage Protection VON嘉泰姆

 Inrush Current Limit and Soft Start VON嘉泰姆

 SOT23-5、SOT23-6 package VON嘉泰姆

 Max Output Current:3AVON嘉泰姆

   应用范围 返回TOPVON嘉泰姆

 Cellular and Smart Phones VON嘉泰姆

 Wireless and DSL Modems VON嘉泰姆

 PDAs VON嘉泰姆

 Portable Instruments VON嘉泰姆

 Digital Still and Video Cameras VON嘉泰姆

 PC CardsVON嘉泰姆

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