器件名称: TEA1401T
功能描述: Power plug for the universal mains
文件大小: 166.26KB 共20页
简 介:INTEGRATED CIRCUITS
DATA SHEET
TEA1401T Power plug for the universal mains
Preliminary specication Supersedes data of 1996 Sep 27 File under Integrated Circuits, IC03 1997 Mar 07
Philips Semiconductors
Preliminary specication
Power plug for the universal mains
FEATURES Designed for compact power plugs supplying up to 20 W Integrated high-voltage power DMOS FET 625 V/1 A Operates from all mains supplies (90 to 280 V AC) Major design: current regulation at the primary side (no opto-coupler, no secondary electronics) Low external/peripheral component count Combines accurate constant-voltage source (for supply) and accurate constant-current source (for charging) in one IC Foldback feature Requires simple input filter as a result of good EMC design Overshoot protection (output voltage) Protects against under-voltage input, over-current and over-temperature 20-pin SO medium-power package. QUICK REFERENCE DATA SYMBOL V20 I20 fsw I1 PARAMETER output voltage at pin 20 (DRAIN) current in MOS switch input current at pin 1 (Vin), from the high input voltage. VAT can supply from the low voltage auxiliary winding CONDITIONS 20 times peak value VAT < 10 V (peak) VAT > 10 V (peak); fsw = 90 kHz VAT > 10 V (peak); fsw = 150 kHz VAT > 10 V (peak) Tamb operating ambient temperature MIN. 5 20 GENERAL DESCRIPTION
TEA1401T
The TEA1401T is a Self Oscillating Power Supply (SOPS) controller IC that operates directly from the rectified universal mains. It is implemented in th……
