Key facts
- Brand
- Fairchild
- Model
- AN-6067
- Industry
- Industrial
- Documents
- 2
- Languages
- EN · ZH-HK
- Last added
- 2012-08-01
Start here

Fairchild AN-6067 Application Note Primary-Side Regulation PWM Controller Design
This document details the design and application of Primary-Side Regulation (PSR) PWM controllers, specifically the FAN100, FAN102, FSEZ1016A, and FSEZ1216 models. It explains how these integrated circuits achieve constant-voltage and constant-current control without secondary feedback circuitry.
Read onlineFairchild AN-6067 specifications
| Low Startup Current | 10uA (Typical) |
|---|---|
| Low Operating Current | 3.5mA (Typical) |
| Fixed PWM Frequency | 42kHz |
| Gate Output Maximum Voltage Clamped | 18V |
Source: Fairchild AN-6067 Application Note Primary-Side Regulation PWM Controller Design
All Fairchild AN-6067 documents by type
How to use the product for one specific task, with worked examples.
Questions answered in these manuals
What are the typical applications for this controller?
Typical applications include battery chargers for cellular phones, cordless phones, PDAs, digital cameras, and power tools.
From: Fairchild AN-6067 Application Note Primary-Side Regulation PWM Controller Design
How does the Green-Mode function operate?
The proprietary green-mode function provides off-time modulation to linearly decrease the PWM frequency under light-load conditions as low as 500Hz.
From: Fairchild AN-6067 Application Note Primary-Side Regulation PWM Controller Design
What are the specific models covered in this guide?
The document covers the FAN100, FAN102, FSEZ1016A, and FSEZ1216 controllers.
From: Fairchild Semiconductor AN-6067 PSR PWM Controller Design Guide
How does the power-saving mode function?
It linearly reduces the PWM frequency under light load conditions to meet energy requirements.
From: Fairchild Semiconductor AN-6067 PSR PWM Controller Design Guide
