LNK500P_1 POWERINT [Power Integrations, Inc.], LNK500P_1 Datasheet

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LNK500P_1

Manufacturer Part Number
LNK500P_1
Description
2.4W Cell Phone Charger
Manufacturer
POWERINT [Power Integrations, Inc.]
Datasheet
The products and applications illustrated herein (including circuits external to the products and transformer
construction) may be covered by one or more U.S. and foreign patents or potentially by pending U.S. and foreign
patent applications assigned to Power Integrations. A complete list of Power Integrations’ patents may be found at
www.powerint.com
Summary and Features
Title
Specification
Application
Author
Document
Number
Date
Revision
This report details the design of an isolated Flyback converter for Wall mount adapter.
Uses LinkSwitch LNK500P (Low cost series)
Universal input voltage
Typical Efficiency 72 %
Meets EN550022 Class B EMI tests with No Y1 capacitor
Very low earth leakage current
Applications Hotline: Tel: +1 408 414 9660 Fax: +1 408 414 9760
Design Example Report
5245 Hellyer Avenue, San Jose, CA 95138 USA.
2.4W Charger using LNK500P
Input: 90-264 VAC
Output: 6V / 0.4A
Cell Phone Charger
Power Integrations Applications Department
DER-12
February 4, 2004
1.0
Power Integrations
www.powerint.com

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LNK500P_1 Summary of contents

Page 1

Design Example Report Title 2.4W Charger using LNK500P Input: 90-264 VAC Specification Output 0.4A Application Cell Phone Charger Author Power Integrations Applications Department Document DER-12 Number Date February 4, 2004 Revision 1.0 Summary and Features This report details ...

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DER-12 2.4W Cell Phone Charger using LNK500P 1 Introduction................................................................................................................. 4 2 Power Supply Specification ........................................................................................ 4 3 Schematic................................................................................................................... 5 4 PCB Layout ................................................................................................................ 5 5 Bill Of Materials .......................................................................................................... 6 6 Transformer................................................................................................................ 7 6.1 Transformer Winding........................................................................................... 7 6.2 Electrical Specifications....................................................................................... ...

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DER-12 2.4W Cell Phone Charger using LNK500P Figure 1 – Flyback Converter – 2.4W 6V 0.4A................................................................................................ 5 Figure 2 – PCB Layout .................................................................................................................................... 5 Figure 3 – Transformer Winding...................................................................................................................... 7 Figure 4 – Transformer construction ............................................................................................................... 8 Figure 5 – ...

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DER-12 2.4W Cell Phone Charger using LNK500P 1 Introduction This document is an engineering report giving performance characteristics of an isolated Flyback converter with universal input voltage and 6V 0.4A output CV/CC characteristics. This design uses LinkSwitch – an integrated ...

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DER-12 3 Schematic D3 L1 1N4005 1mH D1 1N4005 L RF1 4.7uF 400V 8.2 Ohm 1W FUSIBLE + 85-265 VAC C1 4.7uF 400V N D2 1N4005 L2 D4 Ferrite Bead 1N4005 4 PCB Layout Page 2.4W Cell ...

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DER-12 2.4W Cell Phone Charger using LNK500P 5 Bill Of Materials Item Qty Ref. Des D1, D2, D3 ...

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DER-12 2.4W Cell Phone Charger using LNK500P 6 Transformer 6.1 Transformer Winding W3,Primary, 96T,#36 W2,Shield Wndg, 9T,#35x5 6.2 Electrical Specifications 60Hz 1minute, from Pins 1-4 to Electrical Strength Pins 5-6 Primary Inductance All windings open (Pin 1 to Pin 3) ...

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DER-12 2.4W Cell Phone Charger using LNK500P 6.3 Transformer Construction Pins 5-8 Flux Band W1-start W1-finish 6.4 Winding Instructions Place the bobbin on the winding machine with pins 1-4 on the right side and pins 5-8 on the left side. ...

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DER-12 2.4W Cell Phone Charger using LNK500P 6.5 Materials Item [1] Core: EE13, PC40EE13, TDK Gapped for A [2] Bobbin: Horizontal 8 pins [3] Magnet Wire: #36 AWG [4] Magnet Wire: #35AWG [5] Triple Insulated wire AWG [6] ...

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DER-12 2.4W Cell Phone Charger using LNK500P 7 Performance Data Measurements shown are of a typical unit. The output voltages are measured at the end of a 6-foot cable with 0.2 Ω total resistance. 7.1 Efficiency The measurements are made ...

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DER-12 2.4W Cell Phone Charger using LNK500P 7.2 Load Regulation 7.3 Line Regulation 6.5 6.25 6 5.75 5.5 5.25 5 4.75 4.5 90 Page Load Regulation Vin = ...

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DER-12 2.4W Cell Phone Charger using LNK500P 7.4 No Load Input Power 500 450 400 350 300 250 50 Page Load Input Power 100 150 200 Input Voltage (Vac) Figure 8 – No Load Input Power ...

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DER-12 2.4W Cell Phone Charger using LNK500P 7.5 Output Ripple Measurements 7.5.1 Ripple Measurement Technique For DC output ripple measurements, a modified oscilloscope test probe must be utilized in order to reduce spurious signals due to pickup. Details of the ...

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DER-12 2.4W Cell Phone Charger using LNK500P 7.5.2 Output Voltage Ripple Figure 11 – Output Voltage Ripple (worst case) at Vin = 90 Vac 5. 400 mA 8 Surge Test Surge test was done as ...

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DER-12 2.4W Cell Phone Charger using LNK500P 9 EMI Tests The EMI tests are done at 220 Vac input and 400 mA load. Figure 12 – EN55022 Class B, Line, artificial hand connected to output return Figure 13 – EN55022 ...

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DER-12 2.4W Cell Phone Charger using LNK500P Figure 14 – EN55022 Class B, Line, without artificial hand connected to output return Figure 15 – EN55022 Class B, Neutral, without artificial hand connected to output return Page February ...

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DER-12 2.4W Cell Phone Charger using LNK500P 10 Revision History Date Author February 4, 2004 YG Page Revision Description & changes 1.0 Initial release Tel: +1 408 414 9660 Fax: +1 408 414 9760 February 4, 2004 ...

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DER-12 2.4W Cell Phone Charger using LNK500P Page Notes Power Integrations Tel: +1 408 414 9660 Fax: +1 408 414 9760 www.powerint.com February 4, 2004 ...

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DER-12 2.4W Cell Phone Charger using LNK500P For the latest updates, visit our Web site: www.powerint.com Power Integrations reserves the right to make changes to its products at any time to improve reliability or manufacturability. Power Integrations does not assume ...

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