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| THXTHXTHXTHXTHXTHXTHXTHXTHXTHXTHXTHXTHXTHXTHXTHXTHXTHXTHXTHXTHXTHXTHX THXTHXTHXTHXTHXTHXTHXTHXTHX THXTHXTHXTHXTHXTHXTHXTHXTHX DataSheet 2006.9.1 SPEC203H0609A1 THXTHXTHXTHXTHXTHXTHXTHXTHXTHXTHXTHXTHXTHXTHXTHXTHXTHXTHXTHXTHXTHXTHX THX203H THX Micro-elec. THX203H 200691 PWM James A ************************************************************************************************ 3 ******************************************************************************************************* 4 *************************************************************************************************************** 4 ********************************************************************************************************************** 5 *************************************************************************************************************** 5 ********************************************************************************************************************** 5 ********************************************************************************************************************** 7 ****************************************************************************************************************** 8 ********************************************************************************************************************** 9 ************************************************************************************************************* 11 **************************************************************************************************************** 12 **************************************************************************************************************** 13 ******************************************************************************************************************** 14 ********************************************************************************************************* 15 ********************************************************************************************************* 19 **************************************************************************************************************** 20 ******************************************************************************************************************** 21 -2- http://www.thx.com.cn THX203H PWM PWM AC/DC 85V-265V 12W 18W AC/DC IC IC CB 700V IC DIP8 l l l l l l l l l l l l l 700V 0.3W 10 VCC 12W, 18W l l ADAPTOR OPENFRAME DVDDVB -3- http://www.thx.com.cn THX203H PWM 1. 1 2 3 4 5 6 7,8 OB VCC GND CT FB IS OC * : PCB Layout Pin6 Pin7 1mm -4- http://www.thx.com.cn THX203H PWM VCC ***************************************************************************************************16V ******************************************************************************************************16V ******************************************************************************************* VCC+0.3V OC ********************************************************************************0.3-700V *************************************************************************************************800mA *************************************************************************************************1000mW ***************************************************************************************** 0---125 ************************************************************************************55---150 ********************************************************************************************** 260,10S VCC 4.8 -0.3 650 45 0 5.5 680 61 9.0 Vcc 520 600 920 65 70 V V V mA PF KHz Ta=25, Vcc=5.5-7.5V, Ct=680PF, RS=1 OE Ioc=10mA Ioc=600mA CL=1nF CL=1nF Tj=0-100 OE=0.001-0.60A 700 540 580 1.5 1 75 75 620 V V ns ns mA V Io=1.0mA Vcc=5.5-9V Io=0.1-1.2mA -5- 2.4 - 2.5 2 - 2.6 20 3 V mV % http://www.thx.com.cn THX203H PWM F=10Hz-10KHz T=85 1000h - 0.2 5 50 - mV/ V mV (Vp-p) Ct=680PF Vcc=5.5-9V Ta=0-85 Ct=680PF 55 61 2.5 800 67 1 1 KHz % % V ns Vcc=5.5-9V 0.50 30 60 0.60 70 mA K dB RS=1 0.54 0.54 0.58 0.58 60 150 0.62 0.62 70 250 V A dB ns 53 57 61 3.5 % % 1.6 8.6 4.0 9.2 2.0 55 2.8 8.8 4.3 3.7 9.6 2.4 80 9.0 4.5 10.0 mA A mA V V V V Vcc=8V -6- http://www.thx.com.cn THX203H l PWM l l VR FB OE VCCOB THX203H VCC 8.8V VCC 4.8~9.0V 2.5V VR FB OSC1 OSC2 FB 1.8V 1.2-1.8V FB VCC 9.6V FB VCC 9.6V OB OE IS OB OB IS IS=0V OB 40mA OB IS IS 0.6V OB 120mA OB THX203H IS FB OB OE 1.5V FB FB 1.8V THX203H 140 THX203H 150 THX203H / VCC 4.3V OSC1OSC2 VCC 3.7V THX203H CT OSC2 OSC1 IS 0.6V OB OE 1.5V 0.5V 2. -7- http://www.thx.com.cn THX203H PWM 3. l l l l l l l l l l l l OB 0.5mA OC VCC CT 680PF VCC THX203H VCC VCC VCC VCC VCC VCC FB 1.0K VCC /FB=2.5V,CT=1.25VCT / FB FB=2.5V,IS=0V FB FB FB=6V,IS=0.3VFB THX203H VCC OC FB=6VFB OC OB IS IS=0V OB 40mA OB IS IS 0.6V OE 120mA -8- http://www.thx.com.cn THX203H PWM 1CT CT 100uA 2.5V 1.9mA CT 10100nF 22nF 3 IC 140 T=CT*24000 (S) Fs=1/T (Hz) 70KHz THX203H CT 680PF 61KHz 2FB FB FB 600uA 33K FB 1.8V 1.8V FB 4 FB=0 OB 40mA, FB=6V OB 120mA IC OB OE 1.5V Ic CB 700V CFB -9- http://www.thx.com.cn THX203H PWM 6 IC FB MOSFET Ron THX203H 0.80A 65V 0.80A 12W 7 IC IC Pin7-8 Pin7-8 PCB 85265V 12W 200mm2 OB OE 1.5V 0.5V 5 IC VCC 8.8V IC Ic IC VCC IC VCC 4.8-9V VCC 4.4V VCC 3.8V IC VCC 4.8-9V 4.4V 3.8V CT VR IC VCC VCC 9.6V FB VCC 9.6V VCC VCC IC http://www.thx.com.cn - 10 - THX203H PWM 85265V 12V 1A 4. http://www.thx.com.cn - 11 - THX203H 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 PWM / 1K 2K 5.1K 10K,1% 38.3K,1% 1.5R 1.5R 75K,1/2W 2.2M,1/2W 0805 0805 0805 0805 0805 1206 1206 1/2W 1/2W 0805 CT5 0805 0805 MKP,X1 CT7,Y1 EC23-13 EC11-5 EC13-8 DO-41 DO-41 DO-201AD D2.5 UU9.8 DR6*8 EF20-P10 D4*10mm CT7 DIP8 SOT23 DIP4 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 2 5 1 1 1 1 1 1 1 1 1 1 1 1 R6 R9 R5 R7 R8 R3 R4 R2 R1 C3 C2 C4 C6 CX1 CY1 C1 C5 C7 681J/50V 222/1KV 223/50V 104/50V X Y 104/275V 222M/400V 33uF/400V 47uF/16V 470uF/25V C8 D6 1N4007 FR107 SR3100 D1-D4 D5 D7 D8 L1 L2 T1 F1 TZ1 IC1 IC2 IC3 IC LED2.5 UU9.8, 25mH DR6*8,10uH EF20 F1.5A/250V 7D471K THX203H TL431A PC817C PCB,33x65mm http://www.thx.com.cn - 12 - THX203H 1 PWM Core : EF20,TDK PC40 Ae=33.5mm2 Aw=60.4mm2 Bobbin : EF20, 10PIN, 5+5PIN,VELOX 420-SEO , 94V0 Lp=1.0mH 5% 2 3 1 2 3 4 5 6 7 8 Np1, Ns, Np2, Nvcc, IC / 40TS 3 16TS 3 40TS 2 9TS 3 - - - -- 0.30mm*1P,2UEW 2-1 3M,No.1350 -- 0.50mm*2P,2UEW 10-6 3M,No.1350 -- 0.30mm*1P,2UEW 3-2 3M,No.1350 -- 0.15mm*1P,2UEW 4-5 3M,No.1350 -- 1.1TS Pin5. http://www.thx.com.cn - 13 - THX203H PWM Vac 85 W V mV 0.09 12.04 10.8 110 0.10 12.04 11.4 135 0.11 12.04 19.6 180 0.14 12.04 20.2 220 0.17 12.04 22.0 265 0.24 12.04 25.0 Io=0A () Io=0A Io=0A 100% Io=1A Io=1A Io=1A 75% Io=0.75A Io=0.75A Io=0.75A 50% Io=0.5A Io=0.5A Io=0.5A 25% Io=0.25A Io=0.25A Io=0.25A V mV % 12.04 52.0 81.1 12.04 69.0 83.9 12.04 23.0 85.3 12.04 24.0 85.7 12.04 24.5 85.7 12.04 23.5 85.1 V mV % 12.04 55.0 81.2 12.04 40.0 84.0 12.04 26.0 85.1 12.04 25.0 85.7 12.04 21.0 85.7 12.04 21.5 85.0 V mV % 12.04 50.0 81.4 12.04 19.0 83.9 12.04 20.0 85.2 12.04 17.0 85.4 12.04 19.0 85.0 12.04 20.5 83.9 V mV % 12.04 20.0 80.3 12.04 14.0 82.5 12.04 14.4 83.2 12.04 15.8 83.4 12.04 18.0 82.5 12.04 19.4 81.2 For CEC, EffAV=0.09*LN(12)+0.49=71.4% 25%-100% 3310D, % W 81.0 0.63 83.6 0.80 84.7 0.96 85.1 1.25 84.7 1.57 83.8 1.92 GPM-8212, DSO3102A http://www.thx.com.cn - 14 - THX203H 1Vce Vin=85V, Io=0.5A PWM Vin=85V, Io=1A 50V/div 2uS/div 50V/div 2uS/div Vin=110V, Io=0.5A Vin=110V, Io=1A 50V/div 2uS/div 50V/div 2uS/div Vin=220V, Io=0.5A Vin=220V, Io=1A 100V/div 2uS/div 100V/div 2uS/div http://www.thx.com.cn - 15 - THX203H Vin=265V, Io=0.5A PWM Vin=265V, Io=1A 100V/div 5uS/div 100V/div 5uS/div 2 Vin=85V, Io=1A Vin=265V, Io=1A 50mV/div 10mS/div 20mV/div 10mS/div 3 Vin=85V, Io=1A Vin=265V, Io=1A 20mV/div 10uS/div 20mV/div 10uS/div http://www.thx.com.cn - 16 - THX203H 4 Vin=85V, Io=1A PWM Vin=265V, Io=1A 2.0V/div 10mS/div 2.0V/div 10mS/div 5 Vce Vo Vin=85V, Io=1A Vin=265V, Io=1A 100V/div 200mS/div 5V/div 200V/div 200mS/div 5V/div 6 Vce Vin=85V, Io=Short Vin=265V, Io=Short 50V/div 200mS/div 100V/div 500uS/div http://www.thx.com.cn - 17 - THX203H PWM http://www.thx.com.cn - 18 - THX203H PWM IC DIP8 (JC)1..............................................................25/W (JA)2..............................................................70/W 1 Pin7,8 2Pin7,8 2 I-AEOU 200mm2. http://www.thx.com.cn - 19 - THX203H (DIP8) PWM 4 http://www.thx.com.cn - 20 - THX203H PWM http://www.thx.com.cn THX IC OoIEOA (c) Copyright 2006 88 2001 210008 025-8336 5687 025-8699 8106 info@thx.com.cn http://www.thx.com.cn http://www.thx.com.cn - 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