LD7750 PDF datasheet can download.
This product has High Voltage Green-Mode PWM Controller functions.
This is one of the semiconductor types. This part name is LD7750.
Manufacturers of the product is Leadtrend.
Image and pinout :
Some of the text files within the PDF file
LD7750 2/23/2010 High Voltage Green-Mode PWM Controller with Over Temperature Protection Rev. 00b General
The LD7750 integrates several functions of protections, and EMI-improved solution in a SOP-8, SOP-7, or DIP-8 package to minimize the component counts and the circuit space. The device provides functions of low startup current, green-mode compensation. Voltage power-saving Also, the operation, LD7750 OTP leading-edge features more blanking of the current sensing and internal slope protections like OLP (Over Load Protection), OVP (Over Protection), and (Over Temperature Protection) to prevent the circuit being damaged under the abnormal conditions. The LD7750 features built-in auto-recovery function for OVP on Vcc pin and OLP. Furthermore, the LD7750 features frequency swapping to depress radiation noise, providing an excellent solution for EMI filter design. Features z z z z z z z z z z z z High-Voltage (500V) Startup Circuit Current Mode Control Non-Audible-Noise G [ … ]
Please refer to the file for details.