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GR8874 - Green Mode PWM Controller

Description

The GR8874 is a highly-integrated, low startup current, current mode PWM controller with green-mode function and high-voltage start up circuit.

Features

  • High-voltage (500V) startup circuit.
  • Standby 100mW solution.
  • Current mode PWM.
  • Very low startup current (.

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Datasheet Details

Part number GR8874
Manufacturer grenergy
File Size 919.29 KB
Description Green Mode PWM Controller
Datasheet download datasheet GR8874 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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GR8874 Green-Mode PWM Controller with Integrated Protections Features  High-voltage (500V) startup circuit  Standby 100mW solution  Current mode PWM  Very low startup current (<20uA)  Under-voltage lockout (UVLO)  Non-audible-noise green-mode control  Programmable switching frequency  Cycle-by-cycle peak current limiting  Internal leading-edge blanking  Internal slope compensation  Internal 4ms soft start (Fs = 65KHz)  Gate output voltage clamp  Soft driving for reducing EMI  Over-voltage protection (OVP) on Vcc pin  Over-load protection (OLP)  500mA driving capability Ordering and Marking Information GR8874 Applications  Open-frame SMPS ● Switching AC/DC adapter Description The GR8874 is a highly-integrated, low startup current, current mode PWM controller with green-mo
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