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NCP1239LD65R2G AI Analysis:
Datasheet, Specs, Alternatives & ECAD

AI summary

NCP1239LD65R2G product

NCP1239LD65R2G

AC DC Converters

AC-DC ControllerFlybackonsemi

The NCP1239LD65R2G is a fixed-frequency current-mode controller designed for efficient flyback power supplies.

Best for

  • AC-DC power adapters
  • Notebook/Netbook chargers
  • Set-top boxes

Avoid if

  • Applications requiring non-isolated topologies

Check before use

  • Ensure the specific version (L) matches your required fault protection (auto-recovery vs. latch)

Key specifications

Switching Frequency
65 kHz
Supply Voltage
8.8 V to 35 V
Package
SOIC-7

Compliance & Environment

RoHS
ROHS3 Compliant
REACH
-
MSL
1
ECCN
-
HTSUS
-

Application

Power SuppliesConsumer Electronics

Datasheet

NCP1239-D.PDF

800 KB

Datasheet AI

CAD Models

Download ECAD models for NCP1239LD65R2G: 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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Where to Buy

Real-time and catalog pricing from verified distributors

Live prices updated on demand · Catalog (~) prices may differ

Alternative components

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

Design and risk insights

Questions & answers

It is a fixed-frequency current-mode controller for flyback converters, featuring high-voltage start-up and frequency foldback for improved light-load efficiency.