User’s Guide
1
UCC3817 BiCMOS Power FactorPreregulator Evaluation Board
Page 1: ...User s Guide 1 UCC3817 BiCMOS Power Factor Preregulator Evaluation Board User s Guide...
Page 2: ...oughlin Power Supply Control Products Contents 1 Introduction 1 1 1 Features 2 1 2 Description 2 2 Operating Guidelines 3 2 1 Step 1 Load Connections 4 2 2 Step 2 Applying Input Power 4 2 3 Step 3 Mea...
Page 3: ...moved Improper handling of the evaluation board could cause serious injury D It is important to maintain the ambient temperature around the evaluation board to below 40 C during operation 1 1 Evaluati...
Page 4: ...R19 499 k R20 274 k C15 3 3 F D4 Q1 GND AC2 AC1 VREF IAC VO VO HIGH VOLTAGE SEE EVM WARNINGS AND RESTRICTIONS HIGH TEMPERATURE SEE EVM WARNINGS AND RESTRICTIONS HIGH VOLTAGE SEE EVM WARNINGS AND REST...
Page 5: ...on of the circuit is verified over the line and load range and shows efficiency in the 90 95 range At lighter loads there may be some distortion in the line current due to DCM operation Please refer t...
Page 6: ...ional for user not used on EVM Panasonic ECQ E6474KF C14 1 1 5 F 400 V Poly Panasonic ECW F4155JB C16 1 Not used Panasonic ECU S2A330JCA D1 1 6 A 600 V ultra fast diode International Rectifier HFA08TB...
Page 7: ...rated Curcuit U1 1 UCC3817N Texas Instruments UCC3817N Sockets X U1 1 16 pin DIP socket Board PCB 1 UCC3817 BARE PC BOARD X1 Q1 1 Thermal Pad Silicone TO220 Hardware X2 HS1 1 Screw Pan Hd 6 32 X 3 8 H...
Page 8: ...ion pin description and specifications for the UCC3817 PFC Controller please refer to the UCC3817 datasheet TI Literature Number SLUS395 or contact the Texas Instruments Semiconductor Product Informat...
Page 9: ...rior to connecting any load to the EVM output If there is uncertainty as to the load specification please contact a TI field representative During normal operation some circuit components may have cas...
Page 10: ...t that any license either express or implied is granted under any TI patent right copyright mask work right or other TI intellectual property right relating to any combination machine or process in wh...
Page 11: ...Mouser Electronics Authorized Distributor Click to View Pricing Inventory Delivery Lifecycle Information Texas Instruments UCC3817EVM...
