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LD7531A

Leadtrend Technology
Part Number LD7531A
Manufacturer Leadtrend Technology
Description Green-Mode PWM Controller
Published Oct 20, 2015
Detailed Description LD7531A 7/6/2009 Green-Mode PWM Controller with Frequency Trembling and Integrated Protections REV: 00 General Descript...
Datasheet PDF File LD7531A PDF File

LD7531A
LD7531A

Overview
LD7531A 7/6/2009 Green-Mode PWM Controller with Frequency Trembling and Integrated Protections REV: 00 General Description The LD7531A is built-in with several functions, protection and EMI-improved solution in a SOT-26/ DIP-8 package.
It takes less components counts or circuit space, especially ideal for those total solutions of low cost.
The implemented functions include low startup current, green-mode power-saving operation, leading-edge blanking of the current sensing and internal slope compensation.
And the LD7531A features more protections like OLP (Over Load Protection) and OVP (Over Voltage Protection) to prevent the circuit damage from the abnormal conditions.
Furthermore, the frequency trembling function is to reduce the noise level and thus helps the power circuit designers to easily deal with the EMI filter design by using minimum component cost and developing time.
Features z High-Voltage CMOS Process with Excellent ESD protection z Very Low Startup Current (<20μA) z Cur...


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