EVL6564H-100W 100 W transition-mode PFC pre-regulator demonstration board based on the L6564H Data brief Features ■ Line voltage range: 90 to 265 Vac ■ Minimum line frequency (fL): 47 Hz ■ Regulated output voltage: 400 V ■ Rated output power: 100 W ■ Maximum 2fL output voltage ripple: 20 V pk-pk ■ Hold-up time: 10 ms (VDROP after hold-up time: 300 V) ■ Minimum switching frequency: 40 kHz ■ Minimum estimated efficiency: 92% (@ Vin = 90 Vac, POUT = 100 W) ■ Maximum ambient temperature: 50 °C ■ PCB type and size: single side, 35 µm, CEM-1, 90 x 83 mm EVL6564H-100W isolated DC-DC converter that provides the output rails required by the load. Description This demonstration board is based on the new transition-mode PFC controller L6564H and implements a 100 W, wide-range mains input, PFC pre-conditioner suitable for ballast, adapters, flat screen displays, and all SMPS having to meet IEC61000-3-2 or JEITA-MITI regulations. The L6564H is a current-mode PFC controller operating in transition mode (TM) which embeds the same features existing in the L6564 with the addition of a high voltage startup source. These functions make the IC especially suitable for applications that must be compliant with energy saving regulations and where the PFC preregulator works as the master stage. The EVAL6564H-100W implements a power factor correction (PFC) pre-regulator 100 W, continuous power, on a regulated 400 V rail from a wide-range mains voltage and providing for the reduction of the mains harmonics, allowing the European EN61000-3-2 or the Japanese JEITAMITI standard to be met. The regulated output voltage is typically the input for the cascaded April 2012 Doc ID 023104 Rev 1 For further information contact your local STMicroelectronics sales office. 1/4 www.st.com 4 2/4 C12 2N2 90-264Vac 3 2 1 Doc ID 023104 Rev 1 R27 1M C15 220p C16 2N2 7 6 5 4 3 NC PFC_OK VFF CS MULT COMP INV HVS NC NC ZCD GND GD VCC 8 9 10 11 12 13 14 R30 1K C10 100N C11 47uF-50V R5 68K C7 4N7 R31 10R R21 27R D6 N.M. D5 BZX79-C18 R4 100R 3 1 2 3 J3 CON3 R24 220R R20 N.M. R25 0R47 R22 100K ON/OFF GND VCC D4 LL4148 D3 STTH2L06 R26 0R68 HS1 HEAT-SINK Q1 STF8NM50N R10 1M0 R1 NTC 2R5-S237 C6 47uF - 450V R8 1M0 R2 1M0 R15 51K R11 2M2 R6 3M3 R3 3M3 J2 MKDS 1,5/ 2-5,08 1 2 Electrical schematic 2 1 U1 L6564H 8 5 Figure 1. C8 680N R18 82K R14 27K ~ _ C5 470N - 400V 6 1N4005 L2 SRW2620PQ-XXXV002 SUBMIT X08041-01-B (TDK VERSION) Electrical schematic C13 1uF R19 51K C9 68N R13 62K C4 470N D1 GBU4J D2 1 R17 2M2 R12 2M2 R9 2M2 C1 470N L1 HF2826-203Y 1R5-T01 ~ J1 MKDS 1,5/ 3-5,08 + F1 FUSE 4A Electrical schematic EVL6564H-100W AM11471v1 EVL6564H-100W 2 Revision history Revision history Table 1. Document revision history Date Revision 16-Apr-2012 1 Changes Initial release. Doc ID 023104 Rev 1 3/4 EVL6564H-100W Please Read Carefully: 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. 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