specifications of any and all sanyo semiconductor co.,l td. products described or contained herein stipulate the performance, characteristics, and functions of the described products in the independent state, and are not guarantees of the performance, characteristics, and functions of the described products as mounted in the customer ' s products or equipment. to verify symptoms and states that cannot be evaluated in an independent device, the customer should always evaluate and test devices mounted in the customer ' sproductsor equipment. any and all sanyo semiconductor co.,ltd. products described or contained herein are, with regard to "standard application", intended for the use as general el ectronics equipment (home appliances, av equipment, communication device, office equipment, industrial equ ipment etc.). the products mentioned herein shall not be intended for use for any "special application" (medica l equipment whose purpose is to sustain life, aerospace instrument, nuclear control device, burning appliances, t ransportation machine, traffic signal system, safety equipment etc.) that shall require extremely high level of re liability and can directly threaten human lives in case of failure or malfunction of the product or may cause har m to human bodies, nor shall they grant any guarantee thereof. if you should intend to use our products for app lications outside the standard applications of our customer who is considering such use and/or outside the scope of our intended standard applications, please consult with us prior to the intended use. if there is n o consultation or inquiry before the intended use, our customer shall be solely responsible for the use. 41608 ms jk/12501tn (kt)/9148y t/8215ki/3234ki, ts no.857?1/4 LA7806 overview the LA7806 is a multifunctional integrated circuit which is ba sed on the internal circuit of the la7800, incorporates various functions required for synchronization and deflection circuits of monochromatic television set, and operates on line voltage or from battery. this ic was so designed as to streamline the set by making the device more compact (dip-16) and reducing the number of parts. the LA7806 differs from the la7800 in the following points. ? no x-ray protection circuit is used. ? the ground pins for horizontal and vertical are provided separately. ? no horizontal regulator is used. ? synchronizing separation output is for vertical only. features ? multifunction and small-size (dip-16) ? minimum number of parts required ? horizontal and vertical oscillators being stable to variation of ambient temperature and supply voltage owing to small warming-up drift ? small variation of horizontal oscillation frequency ? good linearity and interlace ow ing to dc bias at vertical output stag e being sampling controlled within retrace time ? vertical blanking pulse width being freely set up according to peripheral parts functions ? synchro separator ? horizontal oscillator ? horizontal afc ? vertical oscillator ? vertical driver ? vertical blanking pulse making monolithic linear ic for b/w tv synchronization, deflection circuit orderin g numbe r : en857d
LA7806 no.857?2/4 specifications maximum ratings at ta = 25 c parameter symbol conditions ratings unit maximum supply voltage v 12 , v 15 14 v allowable power dissipation pd max ta = 60 c 450 mw operating temperature topr ? 20 to + 85 c storage temperature tstg ? 55 to + 125 c recommended operating conditions at ta = 25 c parameter symbol conditions ratings unit recommended supply voltage v 12 , v 15 12 v electrical characteristics at ta = 25 c, v 12 = v 15 = 12v ratings parameter symbol conditions min typ max unit v cc12 current drain i cc12 10.0 19.0 ma v cc15 current drain i cc15 6.0 11.0 ma vertical frequency pull-in range 9.0 11.0 hz vertical free-running frequency f v f v center 55hz 50 60 hz supply voltage dependence of vertical frequency v 12 = 12 1v, 55hz at 12v ? 0.5 + 0.5 hz temperature characteristic of vertical frequency ta = ? 10 to 60 c ? 0.028 + 0.028 hz/ c vertical driver amplification factor 4.0 7.0 times horizontal free-running frequency f h f h center 15.750khz ? 750 + 750 hz supply voltage dependence of horizontal frequency v 15 = 12 1v, 15.750khz at 12v ? 50 + 50 hz temperature characteristic of horizontal frequency ta = ? 10 to +60 c ? 3.4 + 3.4 hz/ c horizontal output pulse width f h = 15.750khz 21.5 26.5 s horizontal output drive current 4.2 7.8 ma package dimensions unit : mm (typ) 3006c pd max -- ta allowable power dissipation, pdmax -- mw -20 0 20 40 60 80 100 0 100 600 ambient temperture,ta -- c jk780601 200 300 400 500 450 85
LA7806 no.857?3/4 sample application circuit 16 15 14 13 12 11 10 9 1 2 3 4 5 6 7 8 ver. hold ver. v cc = 12v 1 f (tantalum) ver. blank. ver. osc ver. driver (tantalum) s curve adjust 1v p-p hor. driver 1500 p f 1v p-p 2v p-p hor v cc = 12v v cc v cc 15 12 sync. sep. a f c hor. osc hor hold 12v + + + + + 10k 20k 120k 0.068 f 0.047 f 4.7 f 0.033 f 0.015 f 220 220k 56k 12k 4.7k 5k 5600 p f 0.01 f c1 0.0047 f c2 0.0015 f 100k r1 150k r2 82k 100k 2.2 f 2.7k 2.2 f 390 300 470 ver. height 1 ? * : polyester-polypropylene film capacitor note) 1. the vertical output circuit is shown by the basic circuit. 2. the peripheral parts at pin 8 should be changed in accordance with the ver. out circuit conditions. 3. the limiting resistor (220 : 1vp-p) at pin 14 should be changed in proportion to the magnitude of the input video signal. 4. in the time constant circuit (120k , 4.7 f) at pin 14, the time constant should be changed by changing the resistance value in accordance with the dc level of the input video signal and then by changing the capacitance value.
LA7806 ps no.857-4/4 sanyo semiconductor co.,ltd. assumes no responsib ility for equipment failures that result from using products at values that exceed, even momentarily, rate d values (such as maximum ra tings, operating condition ranges, or other parameters) listed in products specif ications of any and all sanyo semiconductor co.,ltd. products described or contained herein. sanyo semiconductor co.,ltd. strives to supply high-qual ity high-reliability products, however, any and all semiconductor products fail or malfunction with some probabi lity. it is possible that these probabilistic failures or malfunction could give rise to acci dents or events that could endanger human lives, trouble that could give rise to smoke or fire, or accidents that could cause dam age to other property. when designing equipment, adopt safety measures so that these kinds of accidents or e vents cannot occur. such measures include but are not limited to protective circuits and error prevention c ircuits for safe design, redundant design, and structural design. upon using the technical information or products descri bed herein, neither warranty nor license shall be granted with regard to intellectual property rights or any other rights of sanyo semiconductor co.,ltd. or any third party. sanyo semiconductor co.,ltd. shall not be liable f or any claim or suits with regard to a third party's intellctual property rights which has resulted from the use of the technical information and products mentioned above. information (including circuit diagr ams and circuit parameters) herein is for example only; it is not guaranteed for volume production. any and all information described or contained herein are subject to change without notice due to product/technology improvement, etc. when designing equi pment, refer to the "delivery specification" for the sanyo semiconductor co.,ltd. product that you intend to use. in the event that any or all sanyo semiconductor c o.,ltd. products described or contained herein are controlled under any of applicable local export control laws and regulations, such products may require the export license from the authorities conc erned in accordance with the above law. no part of this publication may be reproduced or transmitted in any form or by any means, electronic or mechanical, including photocopying and recording, or any in formation storage or retrieval system, or otherwise, without the prior written consent of sanyo semiconductor co.,ltd. peripheral parts at pin 8 (other applications) r 1 c 1 r 2 c 2 line operate 220k 0.01 f 68k 0.068 f battery drive (pump-up) 220k 0.0033 f 82k 0.068 f this catalog provides information as of april, 2008. s pecifications and informati on herein are subject to change without notice.
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