utc pc1031 linear integrated circuit utc unisonic technologies co., ltd. 1 qw-r111-001,a tv horizontal deflection circuit description utc pc1031 is designed for b/w tv and small screen color tv. it generates deflection signal and drives deflection coil. features *low external components required *wide operating supply voltage(9v-18v) *adjustable synchronous input range *adjustable blanking voltage *large output current(2ap-p) *built in adjustable fly-back time sip-10h application circuit 8 4 7 5 6 2 1 10 3 9 synchrous signal r1 r2 c1 c2 r4 2.7k ? c4 1 f/25v r3 20k ? vr1 50kb field synchrous & field oscillator sawtooth generation power output vcc field blanking vcc 9-18v r7 0.5~3 ? 1w deflection coil c10 47 f/10v c8 2200 f 47 f 10v vr3 2kb r6 82 ? c7 22 f/10v c5 10 f/10v vr2 20kb r5 5.6k ? c12 100 f/25v ta synchrous adjust ta c6 22 f/10v ta field linearity adjust field strength adjust c3 10 f/10v fig 1
utc pc1031 linear integrated circuit utc unisonic technologies co., ltd. 2 qw-r111-001,a absolute maximun ratings (ta=25 c) parameter symbol value unit supply voltage vcc 20 v output current ip-p 2 ap-p power dissipation pd1 1.5(ta=+75 c) w power dissipation pd2 2.15(ta=+75 c) with heat sink (31.6 x 31.6 x 1mm 3 ) w operating temperature topr -20 ~ +75 c storage temp. tstg -40 ~ +150 c electrical characteristics (v cc =12v,ta=25 c) parameter symbol test conditions min typ max unit fig supply current icc no signal input and load 15 30 46 ma 2 output voltage vn no signal input and load 5.6 6.0 6.4 v 2 field osc frequency fv synchronization voltage on pin 5 is 1.3vp-p 50/60 hz 2 free osc frequency fvo cosc=1 f ta, rosc=38.1k ? 53 60 67 hz 2 synchronization input range ? f(pull) synchronization voltage on pin 5 is 1.3vp-p -10 -12 hz 2 free osc frequency change with supply voltage ? fvo fvo=60hz,vcc=12v fvo deviation for +-2v change of vcc +-1.0 hz 2 synchronization range deviation with supply voltage ? f(pull) vcc vcc is+-2v deviated from 12v +-3.0 hz 2 output saturation voltage vsat io=0.7a 1.3 1.6 v 2 pin 4 output pulse width to cosc=1 f ta, rosc=38.1k ? 300 420 600 sec 2
utc pc1031 linear integrated circuit utc unisonic technologies co., ltd. 3 qw-r111-001,a test circuit 2 10 6 5 8 4 100 f 38.1k ? 39k ? vr1 20k ? 1 f 4.7 f 2.7k ? 4.7k ? counter vr3 50k ? 4.7 f tant to fig 3 a sw4 sw2 utc pc1031 ta 9 3 1 7 a to scope deflection coil dy:2.7 l:5.3mh vcc to scope and dmm dc ammeter 0.047 f 100 f 3.3k ? 1 23 vr2 50k ? 10 f 3.6k ? 2.7k ? 8.2k ? 0.01 f 2200 f 47 f 1 2 3 1 2 3 2 1 3 22 f 0.5 ? sw5 sw1 to counter fig2 field signal adjust vcc:12v 1.5k ? 3.3 f 10k ? sa733 sc945 5.6k ? 3.9k ? 3.9k ? 3.9k ? 0.047 f 0.047 f 100 f 20k ? field synchronizat ion signal a 1.3v p-p fig3
utc pc1031 linear integrated circuit utc unisonic technologies co., ltd. 4 qw-r111-001,a utc assumes no responsibility for equipment failures that result from using products at values that exceed, even momentarily, rated values (such as maximum ratings, operating condition ranges, or other parameters) listed in products specifications of any and all utc products described or contained herein. utc products are not designed for use in life support appliances, devices or systems where malfunction of these products can be reasonably expected to result in personal injury. reproduction in whole or in part is prohibited without the prior written consent of the copyright owner. the information presented in this document does not form part of any quotation or contract, is believed to be accurate and reliable and may be changed without notice.
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