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LD7539C - Green-Mode PWM Controller

Description

The LD7539C is built-in with several functions, protection and EMI-improved solution in a tiny package.

It takes less components counts or circuit space, especially ideal for those total solutions of low cost.

Features

  • more protections like BNO (Brownout), OTP (Over Temperature Protection), OLP (Over Load Protection) and OVP (Over Voltage Protection) to prevent circuit from any damage under abnormal conditions. Furthermore, the Frequency Swapping function is to reduce the noise level and thus helps the power circuit designers to easily deal with the EMI filter design by spending minimum amount of component cost and developing time. Features.
  • High-Voltage CMOS Process with Excellent ESD protection.
  • V.

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Datasheet Details

Part number LD7539C
Manufacturer Leadtrend Technology
File Size 352.81 KB
Description Green-Mode PWM Controller
Datasheet download datasheet LD7539C Datasheet

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Full PDF Text Transcription

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LD7539C 7/28/2014 Green-Mode PWM Controller Integrated with Brown Out and OTP Protections General Description The LD7539C is built-in with several functions, protection and EMI-improved solution in a tiny 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. It also features more protections like BNO (Brownout), OTP (Over Temperature Protection), OLP (Over Load Protection) and OVP (Over Voltage Protection) to prevent circuit from any damage under abnormal conditions.
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