EVL6566B-40WSTB EVL6566B-40WSTB demonstration board 40 W wide input range flyback converter for digital consumer equipments using the L6566B Data brief Features Input voltage: Vin: 90 - 264 Vrms, f: 45-66 Hz Output voltages: 1.8 V/1.73 A, dedicated to digital circuitry and to 1.2 V local post regulators 3.3 V/0.5 A, dedicated to analog peripherals and 2.5 V regulators 5 V/2.4 A, dedicated to HDD/DVD and 5 V circuitry 12V/ 1.9Avg2.9Apk, dedicated to HDD/DVD, SCART and LNBP21 for satellite stb. Average load is 1.9 A, 2.9 A is dedicated to HDD/DVD spin-up Standby: better then 800 mW 230 Vin and 50 mA load No-load: better then 250 mW 230 Vin Short circuit protection: on all outputs, with auto-restart at short removal PCB type and size: Single side 70 m (2-Oz), CEM-1, 150 x 75 mm Safety: Acc. to EN60065, creep age and clearance minimum distance 6.4 mm EMI: Acc. to with EN50022-Class B Application Set-top box Auxiliary SMPS May 2011 Doc ID 018852 Rev 1 1/5 For further information contact your local STMicroelectronics sales office. www.st.com 5 Electrical diagram EVL6566B-40WSTB 1 Electrical diagram Figure 1. Electrical diagram - - 037 037 & & 1 1 & & 1 1 & & 1 1 & & 1 1 9 9 9 & & X) 9 X) 9 & & X) 9 X) 9 & & X) 9 X) 9 9 & & X) 9 X) 9 5 5 5 5 5 5 5 5 5 5 5 5 & & 1 1 7 700% 7 700% 5 5 5 5 & & 1 1 5 5 / / X+ X+ / / X+ X+ / / X+ X+ / / X+ X+ 5 5 5 5 5 5 & & X) 9 X) 9 & & X) 9 X) 9 // // 5 5 & & 1 1 & & 1 1 5 5 & & X) 9 X) 9 & & X) 9 X) 9 %& %%& % 4 4 & & X) 9 X) 9 & & X) 9 X) 9 5 5 5 5 5 5 6736 + )36736 + )3 6736 / &)36736 / &)3 8 8 76 ,/7776 ,/ 5 5 & & X 9 X 9 & & 1 1 6736 / 6736 / 1 1 5 5 +6 +6 +6 +6 %& %%& % 4 4 5 5 5 5 7 7 65: /(& ( 65: /(& ( & & 1 < 1 < 6)+ 6)+ 8 8 5 5 5 5 & & 1 9 1 9 4 4 673 1. =)3673 1. =)3 5 5 5 5 677+ / 8677+ / 8 5 5 . : . : & & S) S) 5 5 5 5 +6 +6 5 5 5 5 4 4 %& %%& % 5 5 0 0 5 5 0 0 5 5 5 5 5 5 5 5 5 5 5 5 5 5 & & 1 1 5 5 & & 1 1 1 1 & & // // 5 5 5 5 677+ 677+ & & X 9 X 9 4 4 %& %%& % 5 5 5 5 5 5 5 5 BB & & 1 1 66 9)) =& 26& aa 95() : * : * &203 &B2. 02 ( 6& aa +9 +96 *1 * 9FF )02 &6 ,6 8 8 / %/ % 5 5 5 5 / / +) < 5 7 +) < 5 7 & & S S 5 5 & & 1 1 & & 1 1 ) ) )86( )86( 5 5 17& 5 6 17& 5 6 & & X) 9 X) 9 - - 0. 6 0. 6 & & 1 1 9DF - V 2/5 Doc ID 018852 Rev 1