EVL170W-FTV STMicroelectronics, EVL170W-FTV Datasheet

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... output. Thanks to the chipset used, this design achieves very high efficiency, compliant with ENERGY STAR very low input consumption during standby operation. Figure 1. EVL170W-FTV: 170 W demonstration board February 2011 using the L6564, L6599A, and Viper27LN ® eligibility criteria (EPA rev. 2.0 EPS), as well as ...

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Contents Contents 1 Main characteristics and circuit description . . . . . . . . . . . . . . . . . . . . . 6 2 Efficiency measurement . . . . . . . ...

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AN3329 List of tables Table 1. Overall efficiency measured at different AC input voltages . . . . . . . . . . . . . . . . . . . . . . . . . 9 ...

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... List of figures List of figures Figure 1. EVL170W-FTV: 170 W demonstration board . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 Figure 2. Electrical diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 Figure 3. Overall efficiency vs. output power . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10 Figure 4. Average efficiency acc. ES Figure 5. Standby supply efficiency vs. output power . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10 Figure 6. Standby supply efficiency vs. light load output power . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10 Figure 7. EN61000-3-2 compliance at 230 Vac - 50 Hz, full load . . . . . . . . . . . . . . . . . . . . . . . . . . . 11 Figure 8 ...

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AN3329 Figure 50. Startup by on-off signal at full load and 115 Vac - ...

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Main characteristics and circuit description 1 Main characteristics and circuit description The main features of the SMPS are: Universal input mains range: 90 ÷ 264 Vac - frequency 45 ÷ ● ● Output voltage ± ...

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AN3329 Resonant power stage The downstream converter features the ST L6599A, which embeds all the functions needed to drive properly the resonant converter with 50 % fixed duty cycle and variable frequency. The converter makes use of a transformer designed ...

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Main characteristics and circuit description Figure 2. Electrical diagram 8/47 Doc ID 18376 Rev 1 AN3329 ...

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AN3329 2 Efficiency measurement Table 1 shows the overall efficiency, measured at different mains voltages. The full load efficiency is 90. 115 Vac, and 91. 230 Vac. Both values are considerably high and maintained high even ...

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Efficiency measurement The average efficiency has been calculated according to ENERGY STAR 2.0 criteria. Results are summarized in Figure 3. Overall efficiency vs. output power Figure 4. Standby supply efficiency Standby supply efficiency has been measured and the results are ...

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AN3329 3 Harmonic content measurement The main purpose of a PFC pre-regulator is the input current shaping to reduce the harmonic content below the limits of the relevant regulations. This demonstration board has been tested according to the European standard ...

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Harmonic content measurement InFigure 11 and 12 full load are reported for reference. Figure 11. Input voltage and current at 100 Vac, full load CH3: AC input voltage CH4: input current 12/47 the AC input voltage and current waveform at ...

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AN3329 4 Functional check Standby supply Some salient waveforms of the standby supply during full load operation are reported in Figure 13 and 14. This converter is based on the Viper27LN, a device integrating the controller and the MOSFET in ...

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Functional check Figure 15. Standby supply waveforms at 400 Vdc, full load CH1: DRAIN (pin #8) CH2: V CH4: FB (pin #4) CH3: CONT (pin #3) In Figure 17 the 5 V standby output voltage ripple has been captured during ...

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AN3329 Figure 19 and Figure 20 operates in burst-mode, with just a few pulses per burst, minimizing switching losses and therefore improving efficiency under light load operation, making it suitable for equipment with low standby consumption requirements. Figure 19. Standby ...

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Functional check and switching starts again. This protection and restart sequence lasts as long as the OVP condition is removed important to highlight that the Viper27LN OVP protection, thanks to the internal logic, ensures a stable OVP intervention ...

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AN3329 In Figure 26 details of Viper27LN operation at short detection is captured; once an output short-circuit is detected, an internal current source charges the device internal circuitry and stops the auxiliary converter operation until the V (4.5 V). At ...

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Functional check Power factor corrector stage Figure 29 shows the PFC MOSFET's drain voltage, inductor current, and voltages on the CS (#4) and MULT (#3) pins along a line half-period at 115Vac. Low current distortion and high power factor are ...

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AN3329 Figure 31. PFC Vds and inductor current at 230 Vac - 50 Hz, full load CH1: Q1 drain voltage CH2: MULT (pin #3) CH3: CS (pin #4) CH4: L1 inductor current L6564 signals are shown in Figure 33. L6564 ...

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Functional check Figure 35. PFC signals-1 at 115 Vac - 60 Hz, full load CH1: COMP (pin #9) CH2: VFF (pin #7) CH3: MULT (pin #3) CH4: CS (pin #4) 20/47 Figure 36. PFC signals-2 at 115 Vac - 60 ...

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AN3329 Resonant stage Some waveforms relevant to the resonant stage during steady-state operation are reported in Figure 37, 38, 39, 40, and 41. The switching frequency at full load and nominal input voltage is around 75 kHz, in order to ...

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Functional check Figure 39. Output rectifiers PIV waveforms CH1: D4 anode voltage CH3: D9A anode voltage No load operation In Figure 40 and only, as typically a TV SMPS never works in such conditions. As seen, PFC is working in ...

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AN3329 Dynamic load operation and output voltage regulation Figure 42 and 43 the resonant stage outputs. The waveforms have been captured applying a load transient from 0 to full load to one output while the other is delivering full load. ...

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Functional check Figure 44 ÷ 300 Hz transition at 115 Vac - 60 Hz CH2: +12 V O/P voltage CH3: +24 V O/P voltage CH4: +24 V O/P current ...

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AN3329 Figure 46 short-circuit at full load and 115 Vac - 60 Hz CH1: HB voltage CH2: DELAY (pin #2) CH3: ISEN (pin #6) CH4 O/P current Figure 48 short-circuit at full load and ...

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Functional check Startup Figure 50 shows waveforms during startup at 115 Vac and full load of PFC and resonant stages possible to note the sequence of the two stages; once the on/off signal is asserted high, voltage on ...

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AN3329 Figure 52. Startup by on/off signal at full load and 115 Vac - 60 Hz O/P voltage rising CH1: On/off signal CH2: CSS (pin #1) CH3 output CH4 output Overvoltage protection Figure 54 and 55 ...

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Functional check Mains sags/dips Figure 56 and 57 complete cycle (16.6 ms) mains dip. As can be noted, in both cases the PFC output voltage drops but the L6599A still works correctly, and output voltages do not show any disturbance, ...

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AN3329 5 Conducted emission pre-compliance test Figure 58, 59, 60, and full load and nominal mains voltages. The limits shown in the diagrams are EN55022 Class- B, which is the most popular norm for domestic equipment and has more severe ...

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Conducted emission pre-compliance test Figure 60. CE peak measurement at 230 and full load - phase wire Figure 61. CE peak measurement at 230 and full load - neutral wire 30/47 Doc ...

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AN3329 6 Bill of materials Table 2. Bill of materials Part type / Case style Des. part value / package C1 2.2 nF DWG C10 100 nF 0805 C12 100 nF 1206 C13 47 nF 0805 Dia.12x25 C14 1000 µF ...

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Bill of materials Table 2. Bill of materials (continued) Part type / Case style Des. part value / package C34 220 pF 0805 C35 4.7 nF 1206 C36 220 pF 1206 C38 220 nF 0805 5.0 x 18.0 C39 33 ...

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... High speed signal diode Power Schottky rectifier Fuse Time LAG - 3921400 Heatsink for D3 and Q5 Doc ID 18376 Rev 1 Bill of materials Nippon Chemi-con STMicroelectronics STMicroelectronics Transil STMicroelectronics STMicroelectronics STMicroelectronics STMicroelectronics SHINDENGEN STMicroelectronics STMicroelectronics Supplier Rubycon KEMET KEMET KEMET MURATA MURATA VISHAY VISHAY VISHAY ...

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Bill of materials Table 2. Bill of materials (continued) Part type / Case style Des. part value / package HS2 Heatsink DWG HS3 Heatsink DWG HS4 Heatsink DWG HS5 Heatsink DWG J1 09-65-2038 DWG J2 280385-2 DWG J3 280384-2 DWG ...

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... SMD standard film res - 1 100 ppm/°C SMD standard film res - 1 250 ppm/°C Doc ID 18376 Rev 1 Bill of materials Supplier MAGNETICA MAGNETICA MAGNETICA MAGNETICA MAGNETICA VISHAY VISHAY STMicroelectronics STMicroelectronics STMicroelectronics VISHAY VISHAY VISHAY EPCOS VISHAY VISHAY VISHAY VISHAY VISHAY VISHAY VISHAY VISHAY VISHAY ...

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Bill of materials Table 2. Bill of materials (continued) Part type / Case style Des. part value / package 22 Ω R32 0805 R33 200 kΩ 0805 10 Ω R34 0805 R36 13 kΩ 0805 R37 6.2 kΩ 1206 R38 ...

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AN3329 Table 2. Bill of materials (continued) Part type / Case style Des. part value / package R7 2.2 MΩ 1206 R70 10 kΩ 0805 R71 4.7 kΩ 0805 R72 1 kΩ 0805 R73 1 kΩ 0805 R74 2.7 kΩ ...

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... Resonant transformer Standby flyback TRAFO 10-pin transition mode PFC controller Improved HV resonant controller Optocoupler Programmable shunt voltage reference Optocoupler Offline HV converter Optocoupler Programmable shunt voltage reference Doc ID 18376 Rev 1 AN3329 Supplier MAGNETICA MAGNETICA STMicroelectronics STMicroelectronics Infineon STMicroelectronics Infineon STMicroelectronics Infineon STMicroelectronics ...

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AN3329 7 PFC coil specifications General description and characteristics ● Application type: consumer, home appliance ● Transformer type: open ● Coil former: vertical type, 6+6 pins ● Max. temp. rise: 45 ºC ● Max. operating ambient temperature: 60 ºC ● ...

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PFC coil specifications Mechanical aspect and pin numbering ● Maximum height from PCB ● Coil former type: vertical, 6+6 pins (pins # are removed) ● Pin distance: 5.08 mm ● Row distance: 30.5 mm Figure ...

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AN3329 8 Resonant power transformer specifications General description and characteristics ● Application type: consumer, home appliance ● Transformer type: open ● Coil former: horizontal type, 7+7 pins, two slots ● Max. temp. rise: 45 ºC ● Max. operating ambient temperature: ...

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Resonant power transformer specifications Table 4. Resonant transformer winding data (continued) Pins Mechanical aspect and pin numbering ● Maximum height from PCB ● Coil former type: ...

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AN3329 9 Auxiliary flyback transformer specifications General description and characteristics ● Application type: consumer, home appliance ● Transformer type: open ● Winding type: layer ● Coil former: horizontal type, 4+5 pins, two slots ● Max. temp. rise: 45 ºC ● ...

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Auxiliary flyback transformer specifications Figure 66. Transformer construction Winding characteristics Table 6. Standby transformer winding data Pins Winding Primary Aux Figure 67. Mechanical aspect and pin ...

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AN3329 Figure 68. Mechanical aspect and pin numbering Manufacturer ● MAGNETICA ● Inductor P/N: 1715.0059 Auxiliary flyback transformer specifications Doc ID 18376 Rev 1 45/47 ...

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Revision history 10 Revision history Table 7. Document revision history Date 25-Feb-2011 46/47 Revision 1 Initial release. Doc ID 18376 Rev 1 AN3329 Changes ...

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... AN3329 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. ...