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LD7751 - High Voltage Green-Mode PWM Controller

Description

The LD7751 integrates several functions of protections, and EMI-improved solution in a SOP-7, SOP-8 or DIP-8 package to minimize the component counts and the circuit space.

Features

  • more protections like OLP (Over Load Protection), and OVP (Over Voltage Protection) to prevent the circuit being damaged under the abnormal conditions. The LD7751 features built-in auto-recovery function for OVP on Vcc pin and OLP. Features z High-Voltage (500V) Startup Circuit z Current Mode Control z Green Mode Control z UVLO (Under Voltage Lockout) z LEB (Leading-Edge Blanking) on CS Pin z Internal Frequency Swapping z Internal Slope Compensation z Internal Over Current Protection z OVP (Ove.

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Datasheet Details

Part number LD7751
Manufacturer Leadtrend
File Size 381.87 KB
Description High Voltage Green-Mode PWM Controller
Datasheet download datasheet LD7751 Datasheet

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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LD7751 12/28/2010 High Voltage Green-Mode PWM Controller Rev. 00 General Description The LD7751 integrates several functions of protections, and EMI-improved solution in a SOP-7, SOP-8 or DIP-8 package to minimize the component counts and the circuit space. The device provides functions of low startup current, green-mode power-saving operation, leading-edge blanking of the current sensing and internal slope compensation. Also, the LD7751 features more protections like OLP (Over Load Protection), and OVP (Over Voltage Protection) to prevent the circuit being damaged under the abnormal conditions. The LD7751 features built-in auto-recovery function for OVP on Vcc pin and OLP.