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RT7781GGS AI Analysis:
Datasheet, Specs, Alternatives & ECAD

AI summary

RT7781GGS product

RT7781GGS

Offline Switchers

PWM ControllerFlybackPowerZero

The RT7781GGS is a high-performance PWM flyback controller optimized for low-power, green-mode AC/DC applications.

Best for

  • NB adaptors
  • Compact AC/DC power supplies

Avoid if

  • High-power industrial applications requiring non-flyback topologies

Check before use

  • Ensure the G-version PRO pin functionality matches your protection requirements.

Key specifications

Start-up
Integrated 700V
No-Load Power
<50mW
Driver Current
±400mA

Compliance & Environment

RoHS
Compliant
REACH
-
MSL
-
ECCN
-
HTSUS
-

Application

Power

Datasheet

7b7d7a79c893cf700a3a1fef13b08ec2_DS7781-03.pdf

800 KB

Datasheet AI

CAD Models

Download ECAD models for RT7781GGS: KiCad symbol & footprint, Altium footprint, PCB footprint, and 3D model.

EDA Symbol
Schematic symbol for your EDA tool
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PCB Footprint
Land pattern for PCB layout
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3D Model
STEP file for mechanical design
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KiCad Library
Verified KiCad 8 symbol, footprint, and 3D model
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Login required · CAD models billed separately as an add-on

Alternative components

Alternatives are being enriched. Analyze this part in PartGenie for the latest matches.

Design and risk insights

Questions & answers

It is a current-mode PWM flyback controller featuring Richtek's PowerZero technology for high efficiency under light-load and no-load conditions.