CXDC6591负载自动切换占空比CMOS PFM控制升压开关DC变换器低纹波高效率和高输出电流内置MOSFET在LX引脚的电压超过极限时被保护电路关闭 | |||||||||||||||||||||||||||||||||||||||||||||||
目录 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） 一.产品概述 The CXDC6591 Series is CMOS PFM-control step-up switching DC/DC converter. The PFM controller allows the duty ratio to be automatically switched according to the load (light load: 66%, high output current: 78%), enabling products with a low ripple over a wide range, high efficiency, and high output current. With the CXDC6591, a step-up switching DC/DC converter can be configured by using an external coil, capacitor, and diode. The built-in MOSFET is turned off by a protection circuit when the voltage at the LX pin exceeds the limit to prevent it from being damaged. This feature, along with the mini package and low current consumption, makes CXDC6591 Series ideal for applications such as the power supply unit of portable equipment. 二.产品特点 z Low voltage operation: Startup at 0.8 V min. (IOUT = 1 mA) guaranteed z Duty ratio: 66/78%, built in auto switching type PFM controller z External parts: Coil, capacitor, diode z Output voltage: Settable to between 1.8V to 6.0 V in 0.1 V steps z Accuracy of ±2% z High efficiency：±86%（typ.） z Standard function (product type A) z Shutdown function (product type C,D) z External transistor type available (product type B、D) 三.应用范围 z Digital cameras z Electronic notebooks and PDAs z Portable CD/MD players z Cameras, video equipment, z Communications equipment z Power supply for microcomputers 四.技术规格书（产品PDF) 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！ 五.产品封装图
六.电路原理图 七.相关芯片选择指南 更多同类产品......
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CXDC6591负载自动切换占空比CMOS PFM控制升压开关DC变换器低纹波高效率和高输出电流内置MOSFET在LX引脚的电压超过极限时被保护电路关闭
发表时间：2020-06-28浏览次数：79
