LD7575PS Green-Mode PWM Controller with High-Voltage Start-Up Circuit

Integrated CircuitSKU: LD7575PS

Precio:
$ 1.65

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Descripción

The LD7575PS is a current-mode PWM controller with excellent power-saving operation in a SOP-8 Package. It features a high- voltage current source to directly supply the startup current from bulk capacitor and further to provide a lossless startup circuit. The integrated functions such as the leading-edge blanking of the current sensing, internal slope compensation, and the small package provide the users a high efficiency, minimum external component counts, and low cost solution for AC/DC power applications. Furthermore, the embedded over voltage protection, over load protection and the special green-mode control provide the solution for users to design a high performance power circuit easily. Features zHigh-Voltage (500V) Startup Circuit zCurrent Mode Control zNon-Audible-Noise Green Mode Control zUVLO (Under Voltage Lockout) zLEB (Leading-Edge Blanking) on CS Pin zProgrammable Switching Frequency zInternal Slope Compensation zOVP (Over Voltage Protection) on Vcc zOLP (Over Load Protection) z500mA Driving Capability Applications zSwitching AC/DC Adapter and Battery Charger zOpen Frame Switching Power Supply zLCD Monitor/TV Power.

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