KA2133 1-chip deflection system 1-chip deflection system the KA2133 consists of a vertical system including an output function and a horizontal system in cluding an afc function. it is for use in small size color tvs, b/w tv receivers and monitors. functions ( horizontal section) sync separators horizontal oscillators horizontal predrivers horizontal afcs shunt regulators (typ: 6.7v) (vertical section) vertical oscillators vertical predrivers vertical output flyback generators features low power consumption, direct deflection coil driving capability (flyback voltage is two times as high as supply voltage is supplied during flyback period ) variable circuit of vertical retrace time on chip. block diagram fig. 1 device package operating temperature KA2133 16-dihp-300 -20 c ~+75 c 16-diph-300 2 3 4 7 5 11 1 v- predriver v-osc v-output flyback generator 6 15 16 sync sep 14 afc 13 h-osc 12 h- predriver 10 shunt regulator 9 tab gnd 8 v cc 2 vcc1 ordering information
KA2133 1-chip deflection system absolute maximum ratings (t a =25 c) recommended operating conditions (t a =25 c) electrical charateristics (v cc =12v, i10 =12ma, t a =25 c) characteristic symbol value unit vertical supply voltage horizontal supply current vertical output current horizontal output current (pulse) flyback generator output current power dissipation operating temperature storage temperature v cc i 10 i 8 i 9 i 5 p d t opr t stg 15 30 -500 ~+500 15 ~+5 -500 ~+500 1.3 -20 ~+75 -40 ~+150 v ma ma peak ma ma peak w c c characteristic symbol min typ max unit vertical supply voltage v cc 9.6 12.0 14.4 v horizontal supply current i 10 6.5 12 18 ma characteristic symbol test condition min typ max unit test fig vertical supply current i cc (1) sw a =2 - 85 100 ma 2 vertical supply current i cc (2) no input signal sw a =2 6 12 20 ma 2 vertical free running frequency f vo sw a =1 55 60 65 hz 2 drift of vertical free-running d f vo /v cc d f vo =1f vo (14.4v)-f vo (9.6v)1 sw a =2 - 0.8 2 hz 2 frequency d f vo /t a d f vo =1f vo (-20 c) - f vo (+70 c) sw a =2 - 1.5 2 hz 2 vertical output center voltage v mid sw a =2 5.3 5.8 6.3 v 2 vertical output current i 8 sw a =2 450 500 550 ma p-p 2 horizontal supply pin voltage v 10 sw b =2 6.2 6.7 7.2 v 2 horizontal free running frequency f ho i 10 =12ma sw b =1 15.0 15.75 16.5 khz 2 horizontal output pulse width t hpw f ho =15.75khz sw b =2 23 25 27 us 2 horizontal output current i 9 sw b =2 0.8 1.3 2.0 ma 2
KA2133 1-chip deflection system test circuit fig. 2 2 3 4 7 5 11 tab 1 16 15 13 12 10 9 KA2133 75 w 430 w 2.05k w 3.6k w 58k w 4700pf v cc 2=12v + 100 m f + 1 m f/16v sw c 5300pf 12k w 8 6 10 w 47000pf 15k w 15k w + 22 m f/ 16v 2.7 w 1k w 560b sw e + 1000 m f/25v 21vp-p + 5.6kb 10k w 2.2k w 33k w + 100 m f/ 25v rm1z a supply current v cc 1=12v + 100 m f 10k w 333pf 10k w 333pf 2 10k w 4700pf 10k w 1 940 w 10k w 1 m f/ 16 v + 100 w 100pf 2.2 m f/ 10 v 1k w sw f input signal 5vp-p sw a 1 m f(15v) tantal sw d d.y
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