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GR8818A

grenergy
Part Number GR8818A
Manufacturer grenergy
Description Primary Feedback PWM Controller
Published Jul 25, 2014
Detailed Description Preliminary GR8818A Primary Feedback PWM Controller for Flyback Application Features  Description The GR8818A is an ex...
Datasheet PDF File GR8818A PDF File

GR8818A
GR8818A

Overview
Preliminary GR8818A Primary Feedback PWM Controller for Flyback Application Features  Description The GR8818A is an excellent primary side feedback controller.
It’s integrated constant voltage (CV) and constant current (CC) regulation functions.
While it operates on CV mode, it’s built-in the cable compensation to compensate the voltage drop of the DC output cable to improve the load regulation.
It minimizes the components counts and is available in a tiny SOT-26 package.
Those make it an ideal design for low cost applications.
It provides functions of low startup current, greenmode power-saving operation,.
Also, the GR8818A is built-in the VCC over-voltage protection and FB pin to prevent the circuit being damaged from the abnormal conditions.
Primary Feedback Control without Secondary Feedback Signal  Constant-Voltage(CV) and Constant-Current(CC) Regulation    Pulse by Pulse Current Limiting Low Start-Up Current (6uA) Fixed 40KHz Switching Frequency for Driving BJT    ...


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