Datasheet4U Logo Datasheet4U.com

NCP1239 Fixed Frequency Current-Mode Controller

📥 Download Datasheet  Datasheet Preview Page 1

Description

DATA SHEET www.onsemi.com Fixed Frequency Current‐Mode Controller for Flyback Converter NCP1239 The NCP1239 is a fixed-frequency current-mode control.
Pin No.

📥 Download Datasheet

Preview of NCP1239 PDF
datasheet Preview Page 2 datasheet Preview Page 3

Features

* a timer-based fault detection circuitry that ensures a quasi-flat overload detection, independent of the input voltage. Features
* Fixed-Frequency 65-kHz or 100-kHz Current-Mode Control Operation
* Frequency Foldback Down to 26 kHz and Skip Mode to Maximize Performance in Light Load

Applications

* AC-DC Converters for TVs, Set-Top Boxes and Printers
* Offline Adapters for Notebooks and Netbooks SOIC
* 7 CASE 751U PIN CONNECTIONS Fault 1 FB 2 CS 3 GND 4 8 HV 6 VCC 5 DRV MARKING DIAGRAM 8 1239xfff ALYWX G 1 1239xfff x A L Y W G = Specific Device Code = A, B, C, D

NCP1239 Distributors

📁 Related Datasheet

📌 All Tags

ON Semiconductor NCP1239-like datasheet