CXSD61040D 2A Output Current 2.3V to 6V Input Voltage Range PFM Mode for High Efficiency in Light Lo
发表时间:2020-04-09
浏览次数:93

目录9aW嘉泰姆

1.产品概述                       2.产品特点9aW嘉泰姆
3.应用范围                       4.下载产品资料PDF文档 9aW嘉泰姆
5.产品封装图                     6.电路原理图                   9aW嘉泰姆
7.功能概述                        8.相关产品
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一,产品概述(General Description)         9aW嘉泰姆


      The CXSD61040D is a 1.5MHz constant frequency,current mode 9aW嘉泰姆

step-down converter. It is ideal for portable equipment requiring very 9aW嘉泰姆

high current up to 2A from single-cell Lithium-ion batteries while still 9aW嘉泰姆

achieving over 90% efficiency during peak load conditions. The 9aW嘉泰姆

CXSD61040D also can run at 100% duty cycle for low dropout operation, extending battery life in portable systems while light load operation 9aW嘉泰姆

provides very low output ripple for noise sensitive applications. The 9aW嘉泰姆

CXSD61040D can supply up to 2A output load current from a 2.3V to 6V input voltage and the output voltage can be regulated as low as 0.6V. 9aW嘉泰姆

The high switching frequency minimizes the size of external components9aW嘉泰姆

 while keeping switching losses low. The internal slope compensation9aW嘉泰姆

 setting allows the device to operatewith smaller inductor values to 9aW嘉泰姆

optimize size and provide efficient operation. The device is available in9aW嘉泰姆

 a Pb-free, 3x3mm 10-lead DFN package and is rated over the -40°C 9aW嘉泰姆

to +85°C temperature range.This device offers two operation modes,9aW嘉泰姆
PWM control and PFM Mode switching control, which allows a high 
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efficiency over the wider range of the load.9aW嘉泰姆

二.产品特点(Features)9aW嘉泰姆


High Efficiency: Up to 96%9aW嘉泰姆
1.5MHz Constant Frequency Operation9aW嘉泰姆
2A Output Current9aW嘉泰姆
No Schottky Diode Required9aW嘉泰姆
2.3V to 6V Input Voltage Range9aW嘉泰姆
Output Voltage as Low as 0.6V9aW嘉泰姆
PFM Mode for High Efficiency in Light Load9aW嘉泰姆
100% Duty Cycle in Dropout Operation9aW嘉泰姆
Low Quiescent Current: 40μA9aW嘉泰姆
Short Circuit Protection9aW嘉泰姆
Thermal Fault Protection9aW嘉泰姆
Inrush Current Limit and Soft Start9aW嘉泰姆
<1μA Shutdown Current9aW嘉泰姆
DFN3X3-10 package9aW嘉泰姆
三,应用范围 (Applications)9aW嘉泰姆
Cellular and Smart Phones9aW嘉泰姆
Wireless and DSL Modems9aW嘉泰姆
PDAs9aW嘉泰姆
Portable Instruments9aW嘉泰姆
Digital Still and Video Cameras9aW嘉泰姆
PC Cards9aW嘉泰姆
四,产品封装图 (Package)
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image.png9aW嘉泰姆
五,电路原理图
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image.png9aW嘉泰姆
Pin NamePin NumberDescriptionEN1Chip Enable Pin. Drive EN above 1.5V to turn on the part. Drive ENbelow 0.3V to turn it off. Do not leave EN floating.VDD2Analog supply input pin.PVDD3Power Supply Input. Must be closely decoupled to GND with a 10μF orgreater ceramic capacitor.GND4,6Analog ground pin.FB5Output Voltage Feedback Pin. An internal resistive divider divides theoutput voltage down for comparison to the internal reference voltage.SW7,8Power Switch Output. It is the switch node connection to Inductor. Thispin connects to the drains of the internal P-ch and N-ch MOSFETswitches.PGND9,10Power Ground Pin.EP11Power Ground exposed pad, Must be connected to bare copper groundplane.9aW嘉泰姆
六.产品PDF文档
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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!9aW嘉泰姆

 QQ截图20160419174301.jpg9aW嘉泰姆

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