DER-233: 6V @ 2.5A, 15W, 90 ~ 265VAC in

Summary

This document is an engineering report describing an adapter power supply utilizing a TOPSwitch-HX TOP254EN. This power supply is intended as a general purpose evaluation platform that operates from universal input and provides a 6 V, continuous 15 W output.

The adapter meets Energy Star 2.0 >79% average-efficiency, no-load <150 mW at 230 VAC and CISPR conducted and radiated EMI with more than 6dB margin.

This power supply offers thermal overload protection with auto-recovery using large hysteresis.

The document contains the power supply specification, schematic, bill of materials, transformer documentation, printed circuit layout, and performance data. Conducted and radiated EMI results are provided as well.

Specifications

Manufacturer Power Integrations
Category AC/DC and DC/DC Conversion
Sub-Category AC/DC SMPS - Single Output
Eval Board Board not Stocked
AC Voltage 115 V
230 V
Universal (115 / 230V)
Outputs and Type 1 Isolated
Voltage Out 6 V
Current Out 2.5 A
Output Power 15 W
Features Current Limit (Adj. or Fixed)
Frequency Jitter for EMI
Open Circuit Protection
Over Voltage Protection
Short Circuit Protection
Soft Start
Thermal Protection
Under Voltage Protection, Brown-Out
Efficiency @ Conditions >80%, 114 ~ 259 VAC, 6V @ full load
No-load Input Power @ Voltage 140 mW @ 230 V
Switching Frequency 132 kHz
Internal Switch Yes
Component Count + Extras 43 + 1
Voltage In 90 ~ 265 VAC
Design Author Power Integrations
Application / Target Market Power: AC Adapters
Main I.C. Base Part TOP254
Date Created By Author 2009-09
Date Added To Library 2014-06

Support Documents & Media

DER-233 - User Guide TOP252 - 262 - Datasheet

Media

DER_233_Schematic_Full.png DER_233_Board_1_Full.jpg DER_233_Board_2_Full.jpg DER_233_Chart_1_Full.png DER_233_Chart_2_Full.png DER_233_Chart_3_Full.png DER_233_Chart_4_Full.png