TDA1771 vertical deflection circuit september 1993 sip10 (plastic package) order code : TDA1771 10 9 8 7 6 5 4 3 2 1 power output output stage v s trigger input height adjustment ground ramp generator buffer output inverting input v s flyback generator 1771-01.eps pin connections (top view) . ramp generator . independent amplitude adjustement . buffer stage . power amplifier . flyback generator . internal reference voltage . thermal protection description the TDA1771 is a monolithic integrated circuit in sip10 package. it is a full performance and very efficient vertical deflection circuit intended for direct drive of a tv picture tube in color and b & w television as well as in monitor and data displays. flyback generator thermal protection ramp generator buffer stage voltage regulator power amp. 10 2 1 9 3 467 85 r3 clock pulse trigger in 1771-02.eps block diagram 1/4
absolute maximum ratings symbol parameter value unit v s supply voltage 30 v v 1 , v 2 flyback peak voltage 65 v v 3 trigger input voltage 20 v v 8 amplifier input voltage gnd to v s v i 0 output peak to peak current (non repetitive t = 2ms) 6 a i 0 output peak to peak current t > 10 m s4a i 10 pin 10 dc current at v 1 < v 9 100 ma i 10 pin 10 peak to peak current @ t fly < 1.5ms 3 a p tot total power dissipation @ t tab = 60 c9w t s , t j storage and junction temperature C 40, + 150 c 1771-01.tbl thermal data symbol parameter value unit r th (j-tab) thermal resistance junction-tab max. 10 c/w r th (j-a) thermal resistance junction-ambient max. 70 c/w 1771-02.tbl electrical characteristics (t amb = 25 c unless otherwise specified) symbol parameter test conditions min. typ. max. unit dc (v s = 30v) i 2 pin 2 quiescent current i 1 = 0, i 10 = 0 16 36 ma i 9 pin 9 quiescent current i 1 = 0, i 10 = 0 15 30 ma C i 6 ramp generator bias current v 6 = 0 0.5 m a C i 6 ramp generator current v 6 = 0, C i 4 = 20 m a 18.5 20 21.5 m a di 6 /i 6 ramp gener. linearity v 6 = 0 to 15v, C i 4 = 20 m a0.21% v 1 quiescent output voltage r a = 30k w , r b = 10k w , v s = 30v 17.0 17.8 18.6 v r a = 6.8k w , r b = 10k w , v s = 15v 7.2 7.5 7.8 v v 1l out saturation voltage to gnd i 1 = 0.5a 0.5 1 v i 1 = 1.2a 1 1.4 v v 1h out saturation voltage to v s C i 1 = 0.5a 1.1 1.6 v C i 1 = 1.2a 1.6 2.2 v v 4 reference voltage C i 4 = 20 m a 6.3 6.6 6.9 v dv 4 /v s reference voltage drift versus v s v s = 10v to 30v 1 2 mv/v dv 4 /d i 4 reference voltage drift versus i 4 i 4 = 10 m a to 30 m a 1.5 2 mv/ m a v r internal ref. voltage 4.26 4.40 4.54 v gv ouput stage open loop gain f = 100hz 60 db v fs v 9 C 10 saturation voltage C i 10 = 1.2a 1.5 2.5 v v 10 pin 10 scanning voltage i 10 = 20ma 1.7 3 v v 3 trigger input threshold (see note 1) 2.6 3.0 3.4 v i 3 trigger input bias current v in = v 3 C 0.2v 30 m a t 3 trigger input width (see note 2) 20 60 th m s notes : 1. the trigger input circuit can accept, with a metal option, positive and negative going input pulses. 2. th = 1.2 t s v pp where t s is the vertical period and v pp is ramp amplitude at pin 6 1171-03.tbl TDA1771 2/4
electrical characteristics (t amb = 25 c unless otherwise specified) (continued) symbol parameter test conditions min. typ. max. unit dc (v s = 24v) v s operating supply voltage range 10 30 v i 1 peak-to-peak operating current range 0.4 2.5 a i s supply current i y = 2.4a pp 315 ma v 1 flyback voltage i y = 2.4a pp 51 v v 7 sawtooh pedestall voltage 1.85 v t js junction temp. for thermal shutdown 145 c 1771-04.tbl flyback generator thermal protection ramp generator buffer stage voltage regulator power amp. 10 2 1 9 3 467 85 r3 clock pulse yoke 1500 m f trigger in +v s 1n4001 35v 47nf 220k w 330 w 2.2 w 0.1 m f470 m f 0.22 m f 180k w 2.4k w 100 m f 1k w 22 m f 1.2k w 1.2 w ry = 9.6 w ly = 24.6mh iy = 1.2app 1771-03.eps application ci rcuit TDA1771 3/4
information furnished is believed to be accurate and reliable. however, sgs-thomson microelectronics assumes no responsibility for the consequences of use of such information nor for any infringement of patents or other rights of third parties which may result from its use. no licence is granted by implication or otherwise under any patent or patent rights of sgs-thomson microelectroni cs. specifications mentioned in this publication are subject to change without notice. this publication supersedes and replaces all information previously supplied. sgs-thomson microelectronics products are not authorized for use as critical components in lif e support devices or systems without express written approval of sgs-thomson microelectronics. ? 1994 sgs-thomson microelectronics - all rights reserved purchase of i 2 c components of sgs-thomson microelectronics, conveys a license under the philips i 2 c patent. rights to use these components in a i 2 c system, is granted provided that the system conforms to the i 2 c standard specifications as defined by philips. sgs-thomson microelectronics group of companies australia - brazil - china - france - germany - hong kong - i taly - japan - korea - malaysia - malta - morocco the netherlands - singapore - spain - sweden - switzerland - taiwan - thailand - united kingdom - u.s.a. b e3 a1 l1 d d1 b1 c b3 n l l2 e c2 c1 1 10 m l3 a pm-sip10.eps package mechanical data 10 pins - plastic sip dimensions millimeters inches min. typ. max. min. typ. max. a 7.1 0.280 a1 2.7 3 0.106 0.118 b 24.8 0.976 b1 0.5 0.020 b3 0.85 1.6 0.033 0.063 c 3.3 0.130 c1 0.43 0.017 c2 1.32 0.052 d 23.7 0.933 d1 14.5 0.571 e 2.54 0.100 e3 22.86 0.900 l 3.1 0.122 l1 3 0.118 l2 17.6 0.693 l3 0.25 0.010 m 3.2 0.126 n 1 0.039 sip10.tbl TDA1771 4/4
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