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G5177 - Digital Green-Mode PWM Controller

General Description

The G5177 is a high performance AC/DC power supply controller which uses digital control technology to build peak current mode PWM flyback power supplies.

Key Features

  • while minimizing the external component count, simplifying EMI design and lowering the total bill of material cost. The device together with an external active device (depletion mode NFET or NPN BJT) provides a fast start-up without compromising no-load power loss. Global Semiconductor’s innovative proprietary technology ensures that power supplies built with the G5177 can achieve both highest average efficiency and less than 20mW no-load power consumption, and have fast dynamic load response in.

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Datasheet Details

Part number G5177
Manufacturer Global Semiconductor
File Size 154.83 KB
Description Digital Green-Mode PWM Controller
Datasheet download datasheet G5177 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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G5177 Low-Power Off-Line Digital Green-Mode PWM Controller DIGITAL PWM IC 1. General Description The G5177 is a high performance AC/DC power supply controller which uses digital control technology to build peak current mode PWM flyback power supplies. The device directly drives a power BJT and operates in quasi-resonant mode to provide high efficiency along with a number of key built-in protection features while minimizing the external component count, simplifying EMI design and lowering the total bill of material cost. The device together with an external active device (depletion mode NFET or NPN BJT) provides a fast start-up without compromising no-load power loss.