EVL6562A-35WFLB STMicroelectronics, EVL6562A-35WFLB Datasheet
EVL6562A-35WFLB
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EVL6562A-35WFLB Summary of contents
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... PF (power factor), such as lighting applications and power supplies for LEDs. The low-cost L6562A and the simple flyback topology combine to provide a very competitive PFC controller solution. Figure 1. EVL6562A-35WFLB demonstration board using the L6562A November 2008 Application note demonstration board using the L6562A ...
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Contents Contents 1 Main characteristics and circuit description . . . . . . . . . . . . . . . . . . . . . 4 2 Electrical diagram and bill of material . . . ...
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... AN2838 List of figures Figure 1. EVL6562A-35WFLB demonstration board using the L6562A . . . . . . . . . . . . . . . . . . . . . . . 1 Figure 2. EVL6562A-35WFLB demonstration board: electrical schematic . . . . . . . . . . . . . . . . . . . . . 6 Figure 3. EVL6562A-35WFLB compliance with EN61000-3-2 Class-C limits @ full load . . . . . . . . . . 9 Figure 4. EVL6562A-35WFLB compliance with JEIDA-MITI Class-C limits @ full load . . . . . . . . . . . 9 Figure 5. Power factor vs. V Figure 6. EVL6562A-35WFLB input current waveform @100 V- load . . . . . . . . . . . . . 10 Figure 7 ...
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Main characteristics and circuit description 1 Main characteristics and circuit description The main characteristics of the SMPS demonstration board are: ● Line voltage range 265 V ● Minimum line frequency (f ● Regulated output voltage ● ...
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AN2838 isolated voltage loop by the optocoupler U2, and using an inexpensive TL431 (U3) to drive the optocoupler. The opto-transistor modulates the input voltage of the L6562A internal amplifier, thus closing the voltage loop. The output rectifier is a fast ...
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... Electrical diagram and bill of material 2 Electrical diagram and bill of material Figure 2. EVL6562A-35WFLB demonstration board: electrical schematic 6/22 AN2838 ...
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... Electrical diagram and bill of material Supplier Murata Murata Arcotronics AC n.d. AC n.d. AC n.d. n.d. n.d. n.d. Murata Murata Rubycon Rubycon n.d. n.d. n.d. Rubycon n.d. AC Murata Murata Murata Murata n.d. n.d. n.d. STMicroelectronics STMicroelectronics n.d. STMicroelectronics n.d. n.d. n.d. n.d. n.d. 7/22 ...
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... Voltage reference, TO-92 275 V VDR 40J (10/1000 µ AN2838 Supplier Magnetica STMicroelectronics n.d. n.d. n.d. n.d. n.d. n.d. n.d. n.d. n.d. n.d. n.d. n.d. n.d. n.d. n.d. n.d. n.d. n.d. n.d. n.d. n.d. n.d. n.d. Magnetica Magnetica Magnetica STMicroelectronics n.d. STMicroelectronics n.d. ...
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... PF remains very close to unity throughout the input voltage mains range. Figure 5. Power factor vs. V The waveforms of the input current and voltage at the nominal input voltage mains and full load condition are illustrated in Test results and significant waveforms Figure 4. EVL6562A-35WFLB compliance with JEIDA-MITI Class-C limits @ full load and load IN Figure 6 and Figure 7 ...
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... Figure 8. Efficiency vs. V 10/22 Figure 7. 8). At full load, the efficiency is higher than 85% at any input voltage, and load Figure 9. IN AN2838 EVL6562A-35WFLB input current waveform @230 V- load Static V regulation vs. V OUT IN and I OUT ...
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... CH2: drain voltage - 200 V/div Figure 11. EVL6562A-35WFLB output - full AC Figure 11 the output voltage ripple at twice the input mains frequency is and Figure 13. EVL6562A-35WFLB full load AC CH1: drain current - 0.5 A/div CH2: drain voltage - 200 V/div Test results and significant waveforms voltage ripple @ 265 V ...
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... Figure 15. EVL6562A-35WFLB full load AC CH1: drain current - 0.5 A/div CH2: drain voltage - 200 V/div and contributing strongly to the reliability and low failure rate DSS and Figure 17. EVL6562A-35WFLB CH1: drain current - 0.1 A/div CH2: drain voltage - 100 V/div AN2838 and 265 V ...
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... The above figures show the MOSFET waveforms at light load. Even in this load condition the waveforms are correct. It can be noted that at high mains the converter works in burst mode (see Figure and Figure 19. EVL6562A-35WFLB CH1: drain current - 0.2 A/div CH2: drain voltage - 200 V/div 19), keeping efficiency at a good level ...
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Thermal measurements 4 Thermal measurements To check the reliability of the design, thermal mapping by means camera was carried out. Figure 20 the board at nominal input voltages and full load. Some pointers visible on the pictures ...
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AN2838 5 Conducted emission pre-compliance test The following images are the peak measurements of the conducted noise at full load and nominal mains voltages. The limits shown on the diagrams are those of EN55022 Class-B, which is the most popular ...
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Burst test 6 Burst test The board has been tested against burst pulses, with good results. The tests have been carried out using the following equipment and the procedures: ● Surge generator: Schaffner NSG 200 E 7 NSG 224 A ...
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AN2838 7 Schematic with output voltage and current loop All tests described in this document have been done using the schematic in using a TL431 for the output voltage feedback secondary current loop is also needed, the schematic ...
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... C16 C25 C26 C27 D6 R4 R16 R18 R19 R20 R21 R25 R26 R27 R30 R100 STMicroelectronics 18/22 Part value Modification Removed 100 nF Changed value 2.2 nF Added 220 nF Added 10 nF Added 12 V Changed value 22 R Changed value 10 kΩ Changed value Removed ...
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AN2838 8 Power transformer specification ● Transformer type: open – Winding type: layer – Coil former: vertical type pins – Mains insulation – Unit finishing: varnished Electrical characteristics (all measurements taken with pins 10 and ...
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References 9 References ● L6562A transition-mode PFC controller datasheet ● Application note AN1059: Design equations of high-power-factor flyback converters based on the L6561 ● Application note AN1060: Flyback converters with the L6561 PFC controller 20/22 AN2838 ...
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AN2838 10 Revision history Table 5. Document revision history Date 12-Nov-2008 Revision 1 Initial release Revision history Changes 21/22 ...
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... Information in this document is provided solely in connection with ST products. STMicroelectronics NV and its subsidiaries (“ST”) reserve the right to make changes, corrections, modifications or improvements, to this document, and the products and services described herein at any time, without notice. All ST products are sold pursuant to ST’s terms and conditions of sale. ...