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LD7552BPS Datasheet PDF - Leadtrend Technology

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General Description
The LD7552B are low cost, low startup current, current mode PWM controllers with green-mode power- saving operation. The integrated functions include the leading-edge blanking of the current sensing, internal slope compensation. They provide the users a superior AC/DC power application of higher efficiency, low external component counts, and lower cost solution.

● High-Voltage CMOS Process with Excellent ESD
● Very Low Startup Current (<20μA)
● Current Mode Control
● Non-audible-noise Green Mode Control
● UVLO (Under Voltage Lockout)
● LEB (Leading-Edge Blanking) on CS Pin
● Programmable Switching Frequency
● Internal Slope Compensation
● OVP (Over Voltage Protection) on Vcc Pin
● OLP (Over Load Protection)
● 500mA Driving Capability

● Switching AC/DC Adaptor and Battery Charger
● Open Frame Switching Power Supply
● 384X Replacement


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