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目录NFy嘉泰姆

1.产品概述                       2.产品特点NFy嘉泰姆
3.应用范围                       4.下载产品资料PDF文档 NFy嘉泰姆
5.产品封装图                     6.电路原理图                   NFy嘉泰姆
7.功能概述                        8.相关产品NFy嘉泰姆

 NFy嘉泰姆

一,产品概述(General Description)   NFy嘉泰姆

    The CXSD61036 is high efficiency synchronous,PWM step-downNFy嘉泰姆
DC/DC converters working under an input voltageNFy嘉泰姆
range of 2.5V to 5.5V. This feature makes the CXSD61036 suitableNFy嘉泰姆
for single Li-lon battery-powered applications.100% duty cycleNFy嘉泰姆
capability extends battery life in portable devices, while the quiescentNFy嘉泰姆
current is 200 A with no load, and drops to < 1 A in shutdown.NFy嘉泰姆
       The internal synchronous switch is  desired to increase efficiencyNFy嘉泰姆
without an external Schottky diode. The 1.4 MHz fixed switchingNFy嘉泰姆
frequency allows the using of tiny,low profile inductors and ceramicNFy嘉泰姆
capacitors,which minimized overall solution footprintNFy嘉泰姆
        The CXSD61036 converters are available in the industry standardNFy嘉泰姆
SOT-23-5 power packages (or upon request)NFy嘉泰姆
二.产品特点(Features)NFy嘉泰姆

1.)Up to 95% EfficiencyNFy嘉泰姆
2.)Current mode operation for excellent line and loadNFy嘉泰姆
     transient responseNFy嘉泰姆
3)Low quiescent current: 230 UANFy嘉泰姆
4)Low Switch on Resistance RDS(ON),Internal Switch: 0.35NFy嘉泰姆
5)Output voltage 5.5V 0.6VNFy嘉泰姆
6)Automatic PWM/PFM mode switchingNFy嘉泰姆
7)No Schottky diode requiredNFy嘉泰姆
8)1.4MHz fixed frequency switchingNFy嘉泰姆
9)Short-Circuit protectionNFy嘉泰姆
10)Shutdown quiescent current: < 1 UANFy嘉泰姆
11)Low profile SOT-23-5 package (lead-freeNFy嘉泰姆
12)packaging is now available)NFy嘉泰姆
三,应用范围 (Applications)NFy嘉泰姆
Digital cameras and MP3NFy嘉泰姆
Palmtop computers / PDAsNFy嘉泰姆
Cellular phonesNFy嘉泰姆
Wireless handsets and DSL modemsNFy嘉泰姆
PC cardsNFy嘉泰姆
Portable media playersNFy嘉泰姆
四.下载产品资料PDF文档NFy嘉泰姆

需要详细的PDF规格书请扫一扫微信联系我们，还可以获得免费样品以及技术支持！NFy嘉泰姆

 NFy嘉泰姆

五,产品封装图 (Package)NFy嘉泰姆

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六.电路原理图NFy嘉泰姆

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七,功能概述NFy嘉泰姆

INDUCTOR SELECTIONNFy嘉泰姆

For most applications, the value of the inductor will fall in the range of 1μH to 4.7μH. Its value isNFy嘉泰姆
chosen based on the desired ripple current. Large value inductors lower ripple current and smallNFy嘉泰姆
value inductors result in higher ripple currents. Higher VIN or VOUT also increases the rippleNFy嘉泰姆

current as shown in equation 1. A reasonable starting point for setting ripple current is
IL =240mA (40% of 600mA).NFy嘉泰姆
The DC current rating of the inductor should be at least equal to the maximum load current plusNFy嘉泰姆
half the ripple current to prevent core saturation. Thus, a 720mA rated inductor should beNFy嘉泰姆
enough for most applications (600mA + 120mA). For better efficiency, choose a low DC-resistanceNFy嘉泰姆
inductor.NFy嘉泰姆
Different core materials and shapes will change the size/current and price/current relationship ofNFy嘉泰姆
an inductor. Toroid or shielded pot cores in ferrite or permalloy materials are small and don’tNFy嘉泰姆
radiate much energy, but generally cost more than powdered iron core inductors with similarNFy嘉泰姆
electrical characteristics. The choice of which style inductor to use often depends more on theNFy嘉泰姆

price vs size requirements and any radiated field/EMI requirements than on what the CXSD61036NFy嘉泰姆

requires to operate. Table 1 shows some typical surface mount inductors that work well inNFy嘉泰姆
八,相关产品                 更多同类产品.......NFy嘉泰姆

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