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SD4851 Datasheet PRIMARY SIDE POWER CONTROLLER

Manufacturer: Silan Microelectronics

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Datasheet Details

Part number SD4851
Manufacturer Silan Microelectronics
File Size 655.48 KB
Description PRIMARY SIDE POWER CONTROLLER
Download SD4851 Download (PDF)

General Description

SD4851 is primary side power controller with built-in high voltage MOSFET.

It senses the output voltage indirectly by using the auxiliary wind of the power transformer.

It adopts Pulse Frequency Modulation (PFM) technology for flyback power supply controller.

Overview

SD4851 PRIMARY SIDE POWER CONTROLLER WITH BUILT-IN HIGH VOLTAGE.

Key Features

  • Lower start-up current.
  • Primary side control for Constant Voltage (CV) and Constant Current (CC).
  • Leading edge blanking.
  • Pulse-Frequency Modulation.
  • Overvoltage protection.
  • Undervoltage lockout.
  • Over temperature protection.
  • Built-in high voltage MOSFET.
  • Cycle by.

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