Fairchild Reference Design RD-442

Transcription

1 Fairchild Reference Design RD The following reference design supports inclusion of FSFR2100 in design of an auxiliary power supply. It should be used in conjunction with the FSFR2100 datasheet as well as Fairchild s application notes and technical support team. Please visit Fairchild s website at Application Fairchild Device Input Voltage Range Rated Output Power Auxiliary Power FSFR V AC 312 W Output Voltage (Rated Current) 24 V (10 A) 12 V (6 A) Topology PCF + Resonant Half- Bridge Key Features Variable Frequency Control with 50% Duty Cycle for Half-Bridge Resonant Converter Topology High Efficiency through Zero Voltage Switching (ZVS) Internal SuperFET s with Fast-Recovery Type Body Diode (trr=120 ns) Fixed Dead Time (350 ns) Optimized for MOSFETs Up to 300 khz Operating Frequency Pulse Skipping for Frequency Limit (Programmable) at Light-Load Condition Remote On/Off Control Using Control Pin Protection Functions: Over-Voltage Protection (OVP), Over-Load Protection (OLP), Over-Current Protection (OCP), Abnormal Over-Current Protection (AOCP), Internal Thermal Shutdown (TSD) 2014 Fairchild Semiconductor Corporation 1 RD442_FSFR2100 Rev.1.0

2 1. Schematic Figure 1. PFC Schematic 2014 Fairchild Semiconductor Corporation 2 RD442_FSFR2100 Rev.1.0

3 Figure 2. LLC Schematic 2014 Fairchild Semiconductor Corporation 3 RD442_FSFR2100 Rev.1.0

4 2. Transformer 2.1. Winding Specification Windings Pins (S F) Strands x Wire ø Turns Np x 0.16 mm 36 N24a x mm 4 N25b x 0.1 mm 4 N12a x 0.1 mm 2 N12b x 0.1 mm 2 Na x mm Electrical Characteristics Pin Specification Remark Inductance µh +/-5% 100 khz, 100 mvrms Leakage µh +/-5% Short all secondaries 2014 Fairchild Semiconductor Corporation 4 RD442_FSFR2100 Rev.1.0

5 3. Bill of Materials Reference Value / Specification Qty Manufacturer / Series C pF / 25V 1 any SMD 0805 C103 33nF / 630V 1 Arcotronics R76 C105 47uF / 50V 1 any electrolytic capacitor C nF / 25V 1 any SMD 1206 C uF / 25V 1 Kemet T C108 10nF / 25V 1 any SMD 0805 C pF / 50V 1 any SMD 0805 C110 10uF / 50V 1 any electrolytic capacitor C uF / 35V 1 Rubycon ZL C201,C uF / 50V 2 Rubycon ZL C203 33nF / 25V 1 any SMD 0805 C nF / 50V 1 any SMD 0805 C205 not assembled 1 any SMD 0805 D101 RS1J 1 Fairchild Semiconductor D102 MM3Z18VC 1 Fairchild Semiconductor D105 FDLL Fairchild Semiconductor D211,D212 FYP2010DN 2 Fairchild Semiconductor D213 FYP Fairchild Semiconductor HS2,HS202 Fischer_SK48 2 Fischer Elektronik SK48 HS201 Fischer_SK09 1 Fischer Elektronik SK09 IC2 FSFR Fairchild Semiconductor IC3 FOD817BW 1 Fairchild Semiconductor IC201 KA431LZ 1 Fairchild Semiconductor Output 1,Output 2 MKDSN1,5/2 2 Phoenix Contact MKDSN 1,5 Q101 KST43 1 Fairchild Semiconductor R R / 2W 1 any low inductance R102,R202 1K / 0.125W 2 any SMD 0805 R K / 0.125W 1 any SMD 0805 R105,R203 10K / 0.125W 2 any SMD 0805 R R / 0.125W 1 any SMD 0805 R K / 0.125W 1 any SMD 0805 R108 3K / 0.25W 1 any SMD 1206 R K / 0.6W 1 any axial 0207 R201 2K / 0.25W 1 any SMD 1206 R K / 0.125W 1 any SMD 0805 R K / 0.125W 1 any SMD 0805 R K / 0.125W 1 any SMD 0805 R207 56K / 0.125W 1 any SMD 0805 R208 not assembled 1 any SMD 0805 TR1 TRNSFMR 1 see spec CONN1 GMKDS1,5/2 1 Phoenix Contact GMKDS 1, Fairchild Semiconductor Corporation 5 RD442_FSFR2100 Rev.1.0

6 Reference Value / Specification Qty Manufacturer / Series C5 680nF / 450V 1 Epcos B32522N C6 33uF / 50V 1 any electrolytic capacitor C7 33nF / 25V 1 any SMD 1206 C8 470nF / 25V 1 any SMD 1206 C9 220uF / 450V 1 Epcos B43504 C10 10nF / 100V 1 any X7R ceramic capacitor C11 22pF / 50V 1 any SMD 0805 C12 470nF / 25V 1 any SMD 0805 D1,D8 FDLL Fairchild Semiconductor D2 RURP860 1 Fairchild Semiconductor D4,D5,D6,D7 1N Fairchild Semiconductor FS1 230V / T4A 1 Littlefuse TR5 HS1 Fischer_SK09 1 Fischer Elektronik SK09 IC1 FAN7530M 1 Fairchild Semiconductor Q1 FCP11N60 1 Fairchild Semiconductor R1 20K / 0.125W 1 any SMD 0805 R2 91K / 0.25W 1 any SMD 1206 R3b,R3a 470K / 0.25W 2 any SMD 1206 R4 100R / 0.6W 1 any SMD 1206 R5,R9 10K / 0.125W 2 any SMD 0805 R6 10R / 0.125W 1 any SMD 0805 R7 0.1R / 2W 1 any low inductance R8 4.3K / 0.125W 1 any SMD 0805 R10a 470K / 0.6W 1 any axial 0207 R10b 430K / 0.6W 1 any axial 0207 R11 5.6K / 0.125W 1 any SMD 0805 T1 TRNSFMR EFD30 1 f.e. EPCOS, see spec ZD1 BZX85C18 1 Fairchild Semiconductor 2014 Fairchild Semiconductor Corporation 6 RD442_FSFR2100 Rev.1.0

7 4. Related Resources FSFR2100 Product Folder Reference Design Disclaimer Fairchild Semiconductor Corporation ( Fairchild ) provides these reference design services as a benefit to our customers. Fairchild has made a good faith attempt to build for the specifications provided or needed by the customer. Fairchild provides this product as is and without recourse and MAKES NO WARRANTY, EXPRESSED, IMPLIED OR OTHERWISE, INCLUDING ANY WARRANTY OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. Customer agrees to do its own testing of any Fairchild reference designs in order to ensure design meets the customer needs. Neither Fairchild nor Customer shall be liable for incidental or consequential damages, including but not limited to, the cost of labor, requalifications, rework charges, delay, lost profits, or loss of goodwill arising out of the sale, installation or use of any Fairchild product. Subject to the limitations herein, Fairchild will defend any suit or proceeding brought against Customer if it is based on a claim that any product furnished hereunder constitutes an infringement of any intellectual property rights. Fairchild must be notified promptly in writing and given full and complete authority, information and assistance (at Fairchild s expense) for defense of the suit. Fairchild will pay damages and costs therein awarded against Customer but shall not be responsible for any compromise made without its consent. In no event shall Fairchild s liability for all damages and costs (including the costs of the defense by Fairchild) exceed the contractual value of the products or services that are the subject of the lawsuit. In providing such defense, or in the event that such product is held to constitute infringement and the use of the product is enjoined, Fairchild, in its discretion, shall procure the right to continue using such product, or modify it so that it becomes noninfringing, or remove it and grant Customer a credit for the depreciated value thereof. Fairchild s indemnity does not extend to claims of infringement arising from Fairchild s compliance with Customer s design, specifications and/or instructions, or the use of any product in combination with other products or in connection with a manufacturing or other process. The foregoing remedy is exclusive and constitutes Fairchild s sole obligation for any claim of intellectual property infringement and Fairchild makes no warranty that products sold hereunder will not infringe any intellectual property rights. All solutions, designs, schematics, drawings, boards or other information provided by Fairchild to Customer are confidential and provided for Customer s own use. Customer may not share any Fairchild materials with other semiconductor suppliers Fairchild Semiconductor Corporation 7 RD442_FSFR2100 Rev.1.0