UC3843电源电路图

1 2 3 4 5 6 A B C D 654321 D C B A Title Number RevisionSize B Date: 23-Jan-2007 Sheet of File: C:\Documents and Settings\Administrator\桌面\明纬300W系列.DdbDrawn By: HV R26 200K 0.5W R29 200K 0.5W Vref8 COMP1 VFB2 Is 3 Rt/Ct4 G N D 5 OUT 6 V c c 7 U3 UC3843 R32 680R R31 100R D12 1N4148 Q6 C2655 Q8 A1012 R30 15R 0.5W R39 5.1R R40 5.1R Q7 2SK2727 Q9 2SK2727 R42 0.68 2W R43 NC R44 0.68 2W R37 100R 2W C31 101 1KV D13 HER203 C32 102/1KV T2C T D1 HER104 R41 5.1K ZD2 1N4746 R33 22K C21 472/50V U2B MOC3022 D8 1N4148 + EC5 1u/50V D9 1N4148 R18 1M R35 R C27 102/50V C22 102/50V C23 104/63V Q12 4542 R34 1K + EC1 2.2u/50V Q1 2SC1815 R6 1K ZD1 12.8V R7 2K2 R5 2K2 + EC2 2.2u/50V D2 HER104 + C5 470u/25V U1B 817 R21 1K R19 330R R20 5.1K C19 203/100V R22 82K Q4 2SC1815 Q3 2SC1815 R23 22K + EC6 EC2 C29 221/1KV R36 NC C28 471/1KV T1B T D14 D R38 15R 0.5W C30 222/500V R27 1R R28 68K +EC7 100u/35V U2A MOC3022X T2AA T2 H V C1 2 2 1 / 2 5 0 V Y 1 C9 221/250V Y1 C8 474/250V C12 221/250V LF1 TF-360 C10 2 2 4 / 2 5 0 V R86 8 0 K 0 . 5 W C6 222/250V C11 222/250V LF2 TF360 C241 0 4 / 2 5 0 V MOV 471 Q5 BT129 R24 10R 5W 1 2 3 4 BD1 10A/600V L2 L D3 D Q2 MOS NR10 0.22 2W R12 0.22 2W D4 HER104 R14 499K 0.5W R15 R11 15R D6 G N D 1 C A O U T 2 M O U T 3 IAC4 V A o u t 5 V s 6 Vcc7 GTDR 8 D5 LT1249 C18 471/50V R17 120K R16 22K C16 473/50V R2 20K 2W R9 499K 0.5W D7 C17 472/50V +EC4 150u400V + EC3 150u/400V C14 471/1KV R1 499K 0.5W R3 499K 0.5W C3 472/50V R4 20K 2W +C2 220u25V R13 10KC1C C13 102/50V C15 222/250V AC L AC N FG F1 6.3A250V T1A T1 C26 104/100V R25 100R 2W D10 HER104 D11 HER104 HV C4 104/100V R66 15K T1B T D25 1N4001 C7 2.2u/50V C20 221/1KV + EC8 EC2 2 3 1 8 4 U5A 358 U7 TTC502 U8 NTC D23 1N4148 D24 1N4148 R64 1.8K R65 1.8K C C 5 6 7 U5B 358 D19 1N4148 R61 6.2K R63 6.8K R59 2K R60 1K R62 2K D18 1N4148 Q11 C2120 FAN 12V R48 100R C36 103/50V R68 1K NTC VFAN VH D15 D92-02 D16 D92-02 C33 221/1KV R45 39R 2W R46 39R 2W C34 221/1KV L4 L3 R55 R R56 R + EC11 2200u/63V + EC9 EC2 + EC10 EC2 R54 R D22 LED D21 HER203 C38 104/100V C37 C C39 333/1KV Vout RTN + EC12 220u/25V C35 222/500V R47 22 0.5W D17 HER203 Vin1 G N D 2 Vout 3 U4 7812 ZD6 1N4733 R58 2.2 1W + EC13 47u/50V R57 100R 2W T2B T2 NTC VFAN VFAN ZD3 1N4752 ZD5 1N4750 ZD4 1N4752 D20 1N4148 R51 22R U1A 817 R50 330R U6 TL431 R49 36KR52 1.5K R53 VR2 C25 224/100V R69 1K VH VOUT VCC VCC Vout NO. C33,C34 C9,C10 R52 R45,R46 R55,R56 R54 R49 ZD4 ZD3 ZD5 EC6 R44 R65 C35 5V 7.5V 12V 15V 24V 48V 27V 13.5V 472/500V 472/500V 222/500V 471/1KV 221/1KV 221/1KV 222/500V 222/500V 3300u/10V 2200u/16V 1000u/25V 1000u/25V 1000u/35V 220u/63V 470u/50V 1000u/25V 1K 750R 1K5 1K5 1K5 1K5 1K8 2K 6R8/1W 10R/1W 10R/1W 15R/1W 22R/1W 39R/1W 27R/1W 10R/1W 51R/2W 100R/2W 270R/2W 330R/2W 680R/2W 3K3/2W 1K8/2W 270/2W 680R 1K 2K2 2K7 4K7 10K 3K6 2K2 1K5 2K2 6K8 10K 15K 36K 27K 10K JUMP JUMP JUMP JUMP JUMP JUMP JUMP JUMP JUMP JUMP 12V/1W 33V/1W 18V/1W 5.7V 8.3V 12.9V 16V 16.1V 18V/1W 33V/1W 15V/1W 12.9V 27V/1W 18V/1W 22u/50V 22u/50V 22u/50V 22u/50V 47u/25V 47u/25V 47u/25V 22u/50V 4R7/0.5W 2R2/0.5W 3R3/0.5W 1R8/0.5W 1R2/0.5W 1R2/0.5W 1R2/0.5W 2R2/0.5W 1K5 1K8 1K8 1K8 1K8 1K8 1K8 1K8 2200u/10V 2200u/16V 1000u/25V 1000u/35V 1000u/63V 220u/63V 470u/50V 1000u/25V D15,D16 D92-02 D92-02 D92-02 D92-02 Administrator 椭圆形