TNY264_1

Manufacturer Part NumberTNY264_1
DescriptionGeneric PCB for DVD Player using TinySwitch-II
ManufacturerPOWERINT [Power Integrations, Inc.]
TNY264_1 datasheet
 
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Design Example Report
Generic PCB for DVD Player using
Title
TinySwitch-II
Input: 90 – 265 VAC
Specification
Output: 5V/1.5A, 3.3V/1.5A, 12V/0.5A,
-12V/15mA
Application
DVD Player
Author
Power Integrations Applications Department
Document
DER-9
Number
Date
February 4, 2004
Revision
1.0
Summary and Features
Multiple Output PCB using TinySwitch-II
Suitable for multiple output DVD supplies
Suitable for many different output configurations
Uses 14-pin EEL25 core
Low EMI even with output grounded
3 tested circuits shown: TNY264, TNY266, and TNY267
Low cost
no common-mode choke, no Y-cap, no X-cap
good output cross-regulation even with no TL431
~ 200 mW input power during standby using low-cost “DC Switch”
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.
5245 Hellyer Avenue, San Jose, CA 95138 USA.
Tel: +1 408 414 9200 Fax: +1 408 414 9201
Power Integrations
www.powerint.com

TNY264_1 Summary of contents

  • Page 1

    Design Example Report Generic PCB for DVD Player using Title TinySwitch-II Input: 90 – 265 VAC Specification Output: 5V/1.5A, 3.3V/1.5A, 12V/0.5A, -12V/15mA Application DVD Player Author Power Integrations Applications Department Document DER-9 Number Date February 4, 2004 Revision 1.0 Summary ...

  • Page 2

    DER-9 Generic PCB for DVD Player using TinySwitch-II Table Of Contents 1 Introduction................................................................................................................. 3 2 Generic Power Supply PCB Layout............................................................................ 4 3 Schematic................................................................................................................... 5 4 Circuit Description ...................................................................................................... 6 4.1 Input EMI Filtering ............................................................................................... 6 4.2 Primary Clamp Snubber ...................................................................................... ...

  • Page 3

    DER-9 Generic PCB for DVD Player using TinySwitch-II Design Reports contain a power supply design specification, schematic, bill of materials, and transformer documentation. Performance data and typical operation characteristics are included. Typically only a single prototype has been built. Page ...

  • Page 4

    DER-9 Generic PCB for DVD Player using TinySwitch-II 1 Introduction This document is an engineering report describing a generic multiple output power supply PCB layout utilizing TinySwitch-II for a wide range of application of DVD players. This design is low ...

  • Page 5

    DER-9 Generic PCB for DVD Player using TinySwitch-II 2 Generic Power Supply PCB Layout Note: C17 and R14 are not stuffed, C23 and R17 are connected in series and attached to D9 (pin1 and pin2) on the bottom side Page ...

  • Page 6

    DER-9 Generic PCB for DVD Player using TinySwitch-II 3 Schematic Figure 2 – Generic schematic showing all options Page February 4, 2004 Power Integrations Tel: +1 408 414 9200 Fax: +1 408 414 9201 www.powerint.com ...

  • Page 7

    DER-9 Generic PCB for DVD Player using TinySwitch-II 4 Circuit Description 4.1 Input EMI Filtering C1 and C2 are the bulk capacitors. Together with L1 and L2, they form the EMI filter. TinySwitch-II’s built-in frequency jitter helps achieve low EMI ...

  • Page 8

    DER-9 Generic PCB for DVD Player using TinySwitch-II 4.8 Floating +3V and Its Bias Option D11 and C14 rectify and filter the AC voltage to generate a floating +3V. R10 and R11 are the option if the floating voltage needs ...

  • Page 9

    DER-9 Generic PCB for DVD Player using TinySwitch-II 5 Bill Of Materials – Generic PSU with all options Item Qty Reference C18 5 2 C15, C19 6 2 C16, ...

  • Page 10

    DER-9 Generic PCB for DVD Player using TinySwitch-II 6 Example One - 5.7W TNY264 DVD PSU A 5.7 W multiple output power supply was designed and successfully used to operate an Apex AD-1110 DVD player which was bought from a ...

  • Page 11

    DER-9 Generic PCB for DVD Player using TinySwitch-II 6.2 Schematic Page Figure 3 – Schematic. Tel: +1 408 414 9200 Fax: +1 408 414 9201 February 4, 2004 Power Integrations www.powerint.com ...

  • Page 12

    DER-9 Generic PCB for DVD Player using TinySwitch-II 6.3 Bill Of Materials Item Qty Reference C19 C6, C12 7 2 C8, C10 8 2 ...

  • Page 13

    DER-9 Generic PCB for DVD Player using TinySwitch-II 6.4 Transformer Electrical Diagram W2 107T #36 AWG Primary W1 Bias 53T #36 AWG W3 4T #28 AWG x 5 Shield 6.5 Cross Regulation The extremes of voltages were measured in the ...

  • Page 14

    DER-9 Generic PCB for DVD Player using TinySwitch-II ACDC_TNY-II_Rev1_1_032701 INPUT Copyright Power Integrations Inc. 2001 ENTER APPLICATION VARIABLES VACMIN 90 VACMAX 265 5.1 PO 5.7 n 0.67 Z 0.6 tC CIN 14.7 ENTER TinySwitch-II VARIABLES TNY-II TNY264 ...

  • Page 15

    DER-9 Generic PCB for DVD Player using TinySwitch-II OD INS DIA AWG CM CMA TRANSFORMER SECONDARY DESIGN PARAMETERS (SINGLE OUTPUT / SINGLE OUTPUT EQUIVALENT) Lumped parameters ISP ISRMS IO IRIPPLE CMS AWGS DIAS ODS INSS VOLTAGE STRESS PARAMETERS VDRAIN PIVS ...

  • Page 16

    DER-9 Generic PCB for DVD Player using TinySwitch-II 7 Example Two - 8.5W TNY266 DVD PSU Using a TNY266 in place of TNY264 of Example 1 can provide 2.8W more power. It was tested in an Apex AD-1225 DVD player, ...

  • Page 17

    DER-9 Generic PCB for DVD Player using TinySwitch-II 7.2 Schematic Page Figure 5 – Schematic. Tel: +1 408 414 9200 Fax: +1 408 414 9201 February 4, 2004 Power Integrations www.powerint.com ...

  • Page 18

    DER-9 Generic PCB for DVD Player using TinySwitch-II 7.3 Bill of Materials Item Qty Reference C19 5 1 C12 C8, C10 ...

  • Page 19

    DER-9 Generic PCB for DVD Player using TinySwitch-II 7.4 Transformer Electrical Diagram W2 Primary W3 Shield W1 Bias 7.5 Cross Regulation The extremes of voltages were measured in the actual DVD player, while going through start/stop/pause/load/eject cycles. Output 3.6 V ...

  • Page 20

    DER-9 Generic PCB for DVD Player using TinySwitch-II 8 Example Three – 11.6W TNY267 DVD PSU This 9W (11.6W peak) power supply will meet most low end DVD players’ power requirements. This design was tested in a DVD player. The ...

  • Page 21

    DER-9 Generic PCB for DVD Player using TinySwitch-II 8.2 Schematic Page Figure 7 – Schematic. Tel: +1 408 414 9200 Fax: +1 408 414 9201 February 4, 2004 Power Integrations www.powerint.com ...

  • Page 22

    DER-9 Generic PCB for DVD Player using TinySwitch-II 8.3 Bill of Materials Item Qty Reference C19 4 1 C12 C8, C10 7 2 C9, C11 ...

  • Page 23

    DER-9 Generic PCB for DVD Player using TinySwitch-II 8.4 Transformer Electrical Diagram W2 Primary W3 Shield W1 Bias Page 60T Copper 12T 14T ...

  • Page 24

    DER-9 Generic PCB for DVD Player using TinySwitch-II 8.5 Cross Regulation The extremes of voltages were measured in the actual DVD player, while going through start/stop/pause/load/eject cycles. Output 3 +12 V - ...

  • Page 25

    DER-9 Generic PCB for DVD Player using TinySwitch-II 9 Revision History Date Author February 4, 2004 DZ/JC Page Revision Description & changes 1.0 Initial Release Tel: +1 408 414 9200 Fax: +1 408 414 9201 February 4, ...

  • Page 26

    DER-9 Generic PCB for DVD Player using TinySwitch-II 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 ...