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STCH03TR AI Analysis:
Datasheet, Specs, Alternatives & ECAD

AI summary

STCH03TR product

STCH03TR

AC DC Converters

PWM ControllerQuasi-ResonantZVSOffline

The STCH03TR is a high-efficiency offline PWM controller optimized for low-standby power adapters using quasi-resonant ZVS technology.

Best for

  • Smartphone chargers
  • USB-PD adapters
  • Notebook power supplies

Avoid if

  • Applications requiring fixed-frequency PWM control

Check before use

  • Ensure the ZCD pin is not connected to a capacitor as per datasheet requirements.

Key specifications

Max Frequency
154 kHz
Standby Power
< 10 mW
Package
SO8

Compliance & Environment

RoHS
ROHS3 Compliant
REACH
-
MSL
-
ECCN
-
HTSUS
-

Application

Power Supplies

Datasheet

e344cf58074a5a9ce4192479226d3d0e_2311161809_STMicroelectronics-STCH03TR_C2970185.pdf

800 KB

Datasheet AI

CAD Models

Download ECAD models for STCH03TR: 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 an offline quasi-resonant ZVS flyback controller with an integrated 650V HV start-up circuit, designed for high-efficiency power adapters.