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| UTC1379 1-CHIP DEFECTION SYSTEM DESCRIPTION LI NEAR I NTEGRATED CI RCUI T The UTC1379 consists of a vertical system including function and a horizontal system including an AFC function. It is for use in small size color TVs, B/W TV receivers and monitors. FUNCTIONS Horizontal Section *SYNC separation *Horizontal Oscillators *Horizontal Pre-drivers *Horizontal AFCs *Shunt Regulator(Typical 6.7V) Vertical Section *Vertical Oscillator *Vertical Pre-drivers *Vertical Output *Fly-back generators DIP-16H FEATURES *Low Power consumption, direct deflection coil driving capability(Fly-back voltage two times as high supply voltage is supplied during fly-back period only) *Variable circuit of vertical retrace time on chip BLOCK DIAGRAM V-Osc Control V-Osc V-Vcc Boot Strap Flykack Adjusting Boot Strap 2 V-SYNC signal Input SYNC SEParation Output SYNC SEParation Intput 3 4 5 11 7 TAB 8 VOutput 1 16 15 V-OSC V-AMP SYNC-SEP Fly Back Generator 6 NF H-AFC Input 14 H-AFC H-OSC H-PREDRIVERS REGUALTOR 10 H-Vcc w w w .d sh ta a ee u. 4 CS LTD tYOUW ANG ELECTRONI CO. om c H-AFC Output 13 12 H-Osc Control 9 HOutput 1 www..com UTC1379 Characteristic Vertical Supply Voltage Horizontal Supply Current Vertical output Current Horizontal output Current(pulse) Fly-back generator Output current Operating Temperature Storage Temperature Power dissipation(note) LI NEAR I NTEGRATED CI RCUI T Symbol Vcc I10 I8 I9 I5 Topr Tstg PD ABSOLUTE MAXIMUM RATINGS(Ta=25C ) Value 15 30 -500~+500 -15~+5 -500~+500 -20 to +75 -55 to 155 1.3 Unit V mA mA peak mA mA peak C C W ELECTRICAL CHARACTERISTICS(Ta=25C,Vcc=12V,,I10=12mAunless otherwise specified) Characteristic Recommended Vertical Supply Voltage Horizontal Supply Current Vertical Supply current Vertical supply Current Vertical free Running Frequency Drift of Vertical Free-Running Frequency Symbol Vcc I10 ICC(1) ICC(2) FVO fVO/Vcc fVO/TA Test Condition Min 9.6 6.5 Typ. 12 12 85 12 60 0.8 1.5 Max 14 18 100 20 65 2 2 6.3 550 7.2 16.5 27 2.0 Unit V mA mA mA Hz Hz Hz V mAp-p V kHz us mA Vertical output Center Voltage Vertical Output Current Horizontal Supply Voltage Horizontal free running frequency Horizontal Output Pulse Width Horizontal Output Current Vmid I8 V10 fHO tHPW I9 SWA=2 No Input signal,SWA=2 SWA=1 fVO=fVO(14.4V)-fVO(9.6V) SWA=2 fVO=fVO(-20C)-fVO(70C) SWA=2 SWA=2 SWA=2 SWB=2 I10=12mA SWB=1 fHO=15.75kHz,SWB=2 SWB=2 6 55 5.3 450 6.2 15 23 0.8 5.8 500 6.7 15.75 25 1.3 YOUW ANG ELECTRONI CO. CS LTD 2 UTC1379 TEST CIRCUIT SWF 22F/16V 1F/16V 3.6k LI NEAR I NTEGRATED CI RCUI T 10k 15k 12V 500 Input Signal 1k 10k 12k 5300pF 2.2k 100 4700pF 1000pF 58k 10k 16 15 14 13 12 11 10 9 33000pF 10k 33000pF 1F/16V UTC1379 1 2 1F/16V 10k 3 3.3k 4 5 6 7 8 SWD SWC 100F 10k 10 22F/16V 100F/16V 18k 940 1 SWA 470 12V 0.047F 4700pF 1000F/25V 10k TYPICAL APPLICATION CIRCUIT 1.5Vp_p 100Vp_p 10k 22F/16V 5.6k 10k 15k 1k 1F/16V 10k 8.2k 12k VCCH=110V VCCH=12V 100F 2.2k 430 25s 100 100 1000pF 4700pF 58k 5300pF 10k 16 15 14 13 12 11 10 9 33000pF 10k 33000pF UTC1379 1F/16V 1 1Vp_p 2 1F/16V 10k 3 3.3k 4 5 6 7 8 10 15k 22F/16V 15k 1k Ly=2mH Ry=10 4700pF 10k 0.047F 100F/16V 16k 18k 1000F/25V 470 12V YOUW ANG ELECTRONI CO. CS LTD 2.7 2.7 2 1k 15k 15k Ly=2mH Ry=10 3 |
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