0%到100%的脉宽调制控制PWM控制的降压开关电流调节器CXDC6587输出电流2A输入电压3.6V至18V低纹波功率高效率和良好的瞬态特性 | |||||||||||||||||||||||||||||||||||||||||||||||
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 CXDC6587 consists of step-down switching current regulator with PWM control. The device includes a reference current source, oscillation circuit, error amplifier, internal PMOS and etc. CXDC6587 provides low-ripple power, high efficiency and excellent transient characteristics. The PWM control circuit is able to vary the duty ratio linearly from 0 up to 100%. This converter also contains an error amplifier circuit as well as a soft-start circuit that prevent s overshoot at startup. An enable function, an over current protect function and a short circuit protect function are built inside, and when OCP or SCP happens, the operation frequency will be reduced from 410KHz to 60KHz. Also, an internal compensation block is built in to minimum external component count. These ICs can function as step-down switching regulators. They serve as ideal power supply units for portable devices when coupled with the SOP-8L mini-package, providing such outstanding features as low current consumption. Since this converter can accommodate an input voltage of up to 16V, it is also ideal when operating via an 12V AC adaptor. 二.产品特点 Input voltage: 3.6V to 18V. Output current: up to 2A . Duty ratio: 0% to 100% PWM control Oscillation frequency: 410KHz Soft-start, Current limit, Enable function Thermal Shutdown function Built-in internal SW P-channel MOS High efficiency up to 90% SOP-8L Pb-Free Package. 三.应用范围 LED lighting(照明或背光) 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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