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G1515 - ANALOG PWM

General Description

The G1515 is a high performance AC/DC power supply controller for adapter applications requirements up to 75W。It can meet less than 80 mW standby power.

G1515 is a current mode PWM controller ,It operates in fixed frequency which is precisely set internally.

Key Features

  • Built-in Soft Start.
  • Random Frequency Adjustment to Reduce System EMI.
  • Audio Noise Reduction.
  • Short Circuit Protection.
  • Internal Cable Compensation.
  • Extended Burst Mode Control For Improved Efficiency and Minimum Standby Power Design.
  • Internal Synchronized Slope Compensation.
  • Low VDD Startup Current and Low Operating Current.
  • Leading Edge Blanking on Current Sense Input.
  • Over Load Protection(OLP) and Cycle-by-Cycle Current Limiting Protection(OC.

📥 Download Datasheet

Datasheet Details

Part number G1515
Manufacturer Global Semiconductor
File Size 564.72 KB
Description ANALOG PWM
Datasheet download datasheet G1515 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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G1515 High Performance Current Mode PWM Controller ANALOG PWM IC 1. General Description The G1515 is a high performance AC/DC power supply controller for adapter applications requirements up to 75W。It can meet less than 80 mW standby power. G1515 is a current mode PWM controller ,It operates in fixed frequency which is precisely set internally. It could operate in Extended Burst Mode at no load or light load, in which mode switching loss is minimized and the frequency is adjusted internally. To ensure that power supplies work quietly, the frequency is set beyond 22 KHz. Small current is needed when G1515 starts up and works, thus a large value resistor could be used in the startup circuit to minimize the standby power.