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CXDC6576降压型DC转换器设计的单片集成电路输出负载电流3A电压型非同步PWM控制150KHz开关频率
发表时间:2020-06-25浏览次数:376
CXDC6576降压型DC转换器设计的单片集成电路输出负载电流3A电压型非同步PWM控制150KHz开关频率
 

                          目录fTh嘉泰姆

   1.产品概述      2.产品特点      3.应用范围     4.技术规格书下载(PDF文档)fTh嘉泰姆

   5.产品封装      6.电路原理图     7.相关产品fTh嘉泰姆

一.产品概述fTh嘉泰姆


   The CXDC6576 is a monolithic IC designed for a step-down DC/DC converter and is capable of driving a 3A load without an external transistor. Due to reducing the number of external components, the board space can be saved easily. The external shutdown function can be controlled by logic level and then come into standby mode.The internal compensation makes the feedback control have good line and load regulation without an external design. Regarding the protected function, the thermal shutdown is to prevent over temperature operating from damaging the device, and current limit is against over current operating of the output switch. If the current limit function occurred and VFB is down to 0.5V below, the switching frequency will be reduced. The CXDC6576 series operates at aswitching frequency of 150KHz thus allowing smaller sized filter components than what would be needed with lower frequency switching regulators. Other features include a guaranteed +4%tolerance on output voltage under specified input voltage and output load conditions, and +15% on the oscillator frequency. The output version included a fixed 3.3V, 5V, 12V, and an adjustable type.CXDC6576 is available in a 5-lead TO-252 lead-free or green package.fTh嘉泰姆

二.产品特点fTh嘉泰姆


Output Voltage: 3.3V, 5V, 12V and Adjustable Output VersionfTh嘉泰姆

Adjustable Version Output Voltage Range, 1.23V to 15V +4%fTh嘉泰姆

150KHz +15% Fixed Switching FrequencyfTh嘉泰姆

Voltage Mode Non-Synchronous PWM ControlfTh嘉泰姆

Thermal-Shutdown and Current-Limit ProtectionfTh嘉泰姆

ON/OFF Shutdown Control InputfTh嘉泰姆

Operating Voltage can be up to 36V max.fTh嘉泰姆

Output Load Current: 3AfTh嘉泰姆

Low Power Standby ModefTh嘉泰姆

Built-in Switching Transistor On ChipfTh嘉泰姆

三.应用范围fTh嘉泰姆


Simple High-Efficiency Step-Down RegulatorfTh嘉泰姆

On-Card Switching RegulatorsfTh嘉泰姆

Positive to Negative Converter fTh嘉泰姆

四.技术规格书(产品PDF)fTh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fTh嘉泰姆

 QQ截图20160419174301.jpgfTh嘉泰姆

五.产品封装图fTh嘉泰姆


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六.电路原理图fTh嘉泰姆


blob.png   fTh嘉泰姆

七.相关芯片选择指南     更多同类产品......fTh嘉泰姆


DC/DC LED驱动
型号 详细说明
CXDC6572 2A同步整流,SOT23-5, 高效率小封装
CXDC6573A 2.2A, ACT4060/MP1410
CXDC6574 3A高效率DC-DC
CXDC6575 超低压差
CXDC6576 36V,3A替代AP1507
CXDC6577 2.5A-3A输出高频高效率高耐压替代MP2490
CXDC6578 3A DC/DC
CXDC6579 high-freq 3A DC/DC
CXDC6580 1.5A DC/DC
CXDC6581 60V高压恒压恒流,替代AP1509,AP1507,XL7005
CXDC6582 60V-30W-恒流-高精度亮度调节
CXDC6583 55V高耐压5A
CXDC6584 90V降压恒压大电流
CXDC6585 85V高耐压MOS内置
CXDC6586 高压600V的恒流LED驱动IC
CXDC6587  
CXDC6588  
CXDC6589  
CXDC6590  
CXDC6591  
CXDC6592  

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