TNY264P_1 POWERINT [Power Integrations, Inc.], TNY264P_1 Datasheet
TNY264P_1
Related parts for TNY264P_1
TNY264P_1 Summary of contents
Page 1
Design Example Report Title 2.4W Charger using TNY264P Input 265 VAC Specification Output 0.4A Application Cell Phone Charger Author Power Integrations Applications Department Document DER-4 Number Date February 4, 2004 Revision 1.0 Summary and Features This ...
Page 2
DER-4 1 Introduction................................................................................................................. 5 2 Power Supply Specification ........................................................................................ 5 3 Schematic................................................................................................................... 6 4 PCB Layout ................................................................................................................ 7 5 Bill Of Materials .......................................................................................................... 8 6 Transformer................................................................................................................ 9 6.1 Transformer Winding .............................................................................................. 9 6.2 Electrical Specifications .......................................................................................... 9 6.3 Materials ................................................................................................................. ...
Page 3
DER-4 Figure 1 – Flyback Converter – 2.4W 6V 0.4A................................................................................................ 6 Figure 2 – PCB Layout .................................................................................................................................... 7 Figure 3 – Transformer Winding...................................................................................................................... 9 Figure 4 – Transformer construction ............................................................................................................. 10 Figure 5 – Efficiency Vs Output Current ........................................................................................................ 12 ...
Page 4
DER-4 Page 2.4W Cell Phone Charger Tel: +1 408 414 9660 Fax: +1 408 414 9760 February 4, 2004 Power Integrations www.powerint.com ...
Page 5
DER-4 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 characteristics. This design uses TinySwitch – an integrated IC comprising a high ...
Page 6
...
Page 7
DER-4 4 PCB Layout Page 2.4W Cell Phone Charger Figure 2 – PCB Layout Tel: +1 408 414 9660 Fax: +1 408 414 9760 February 4, 2004 Power Integrations www.powerint.com ...
Page 8
DER-4 5 Bill Of Materials Item Qty Reference 1 1 BR1 ...
Page 9
DER-4 6 Transformer 6.1 Transformer Winding W1,Core cancellation wndg, 27T,#36x2 W2,Primary, 106T,#36 W3,Shield Wndg, 10T,#35x5 6.2 Electrical Specifications 60Hz 1minute, from Pins 3-5 to Electrical Strength Pins 6-8 Primary Inductance All windings open (Pin 3 to Pin 5) Resonant Frequency ...
Page 10
DER-4 6.4 Transformer Construction Pins 6-10 W4-finish(P6) W4-start(P8) Page 2.4W Cell Phone Charger Figure 4 – Transformer construction Tel: +1 408 414 9660 Fax: +1 408 414 9760 February 4, 2004 0.311",2mils Pins 1-5 Insulation Tape, 1 ...
Page 11
DER-4 6.5 Winding Instructions Place the bobbin on the winding machine with pins 1-5 on the right side and pins 6-10 on the left side. W1 (Shield/ core Wind 27 turns from right to left with # ...
Page 12
DER-4 7 Performance Data All measurements are performed at room temperature unless otherwise specified. 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 for various load ...
Page 13
DER-4 7.2 Regulation 7.3 No Load Input Power 300 250 200 150 100 50 Page 2.4W Cell Phone Charger Load Regulation Vin = 90 Vac Vin = 120 ...
Page 14
DER-4 7.4 Output Ripple Measurements 7.4.1 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 probe modification are provided in Figure ...
Page 15
DER-4 7.4.2 Output Voltage Ripple Figure 10 – Output Voltage Ripple (worst case) at Vin = 264 Vac 6 400 mA Page 2.4W Cell Phone Charger Tel: +1 408 414 9660 Fax: ...
Page 16
DER-4 8 EMI Tests The EMI tests are done at 110 Vac and 220 Vac inputs, Line (worst case) and 15 Ω (395 mA approx.) load. To obtain more margin in radiated EMI, use L3 = Long ferrite bead. With ...
Page 17
DER-4 Figure 13 – EN55022 Class B, 110 Vac, Line (worst case), no artificial hand connected to output Figure 14 – EN55022 Class B, 220 Vac, Line (worst case), no artificial hand connected to output Page 2.4W ...
Page 18
DER-4 9 Revision History Date Author February 4, 2004 MJ Page 2.4W Cell Phone Charger Revision Description & changes 1.0 First Release Tel: +1 408 414 9660 Fax: +1 408 414 9760 February 4, 2004 Reviewed AM/VC ...
Page 19
DER-4 Page 2.4W Cell Phone Charger Notes Tel: +1 408 414 9660 Fax: +1 408 414 9760 February 4, 2004 Power Integrations www.powerint.com ...
Page 20
DER-4 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 any liability arising from the use ...