september 2003 1/6 version 4.2 stv9379a vertical deflection booster features n power amplifier n flyback generator n thermal protection n output current up to 2.6 app n flyback voltage up to 90v (on pin 5) n suitable for dc coupling application description designed for monitors and high performance tvs, the stv9379a vertical deflection booster delivers flyback voltages close to 90v. the stv9379a operates with supplies up to 42v and provides up to 2.6 a pp output current to drive the yoke. the stv9379a is inserted in heptawatt package. package pin connection heptawatt (plastic package) order code: stv9379a non-inverting input output stage supply output gnd or negative supply flyback generator supply voltage tab connected to pin 4 inverting input 1
stv9379a 2/6 block diagram absolute maximum ratings note 1: versus pin 4. note 2: the output current can reach 5a peak for t 10m s (up to 120hz) note 3: provided soar is respected (see figures 2 and 3). thermal data figure 1. stv9379a block diagram symbol parameter value unit v s supply voltage (pin 2) ( note 1 )50v v 6 flyback peak voltage (pin 6) ( note 1 )100v v 1 ,v 7 amplifier input voltage (pins 1-7) ( note 1 ) -0.3, + v s v i o maximum output peak current ( note 2 , note 3 )1.8a i 3 maximum sink current (first part of flyback) (t < 1ms) 1.8 a i 3 maximum source current (t < 1ms) ( note 2 )1.8a v esd esd susceptibility: eiaj norm (200pf discharged through 0 w )300 v t oper operating ambient temperature -20, +75 c t stg storage temperature -40, +150 c t j junction temperature + 150 c symbol parameter value unit r th (j-c) junction-case thermal resistance max. 3 c/w t t temperature for thermal shutdown 150 c d t t hysteresis on tt 10 c t jr recommended max. junction temperature 120 c flyback generator thermal protection power amplifier - + 5 7 1 2 3 output flyback generator output stage supply inverting input non-inverting input ground or negative supply 4 stv9379a supply voltage 6 1
stv9379a 3/6 electrical characteristics v s =42v, t a = 25c, unless otherwise specified application circuits ac coupling symbol parameter test conditions min. typ. max. unit v s operating supply voltage range versus pin 4 10 42 v i 2 pin 2 quiescent current i 3 = 0, i 5 = 0 13 20 ma i 6 pin 6 quiescent current i 3 = 0, i 5 = 0 5 10 30 ma i o max. peak output current 1.3 a i 1 amplifier bias current v 1 = 25v, v 7 = 26v -0.15 - 1 m a i 7 amplifier bias current v 1 = 26v, v 7 = 25v -0.15 - 1 m a v io offset voltage 7mv d v io /dt offset drift versus temperature - 10 m v/c gv voltage gain 80 db v 5l output saturation voltage to gnd (pin 4) i 5 = 1.3a 1 1.5 v v 5h output saturation voltage to supply (pin 6) i 5 = -1.3a 1.6 2.1 v v d5-6 diode forward voltage between pins 5-6 i 5 = 1.3a 1.3 2 v v d3-2 diode forward voltage between pins 3-2 i 3 = 1.3a 1.3 2 v v 3l saturation voltage on pin 3 i 3 = 20ma 0.8 1.2 v v 3sh saturation voltage to pin 2 (2nd part of flyback) i 3 = - 1.3a 2.9 3.6 v recommended: a
stv9379a 4/6 application circuits (continued) dc coupling. figure 2. output transistors soa (for secondary breakdown) figure 3. secondary breakdown temperature derating curve (isb = secondary breakdown current) a recommended:
stv9379a 5/6 package mechanical data: 7 pins - plastic heptawatt dimensions millimeters inches min. typ. max. min. typ. max. a 4.8 0.189 c 1.37 0.054 d 2.4 2.8 0.094 0.110 d1 1.2 1.35 0.047 0.053 e 0.35 0.55 0.014 0.022 f 0.6 0.8 0.024 0.031 f1 0.9 0.035 g 2.41 2.54 2.67 0.095 0.100 0.105 g1 4.91 5.08 5.21 0.193 0.200 0.205 g2 7.49 7.62 7.8 0.295 0.300 0.307 h2 10.4 0.409 h3 10.05 10.4 0.396 0.409 l 16.97 0.668 l1 14.92 0.587 l2 21.54 0.848 l3 22.62 0.891 l5 2.6 3 0.102 0.118 l6 15.1 15.8 0.594 0.622 l7 6 6.6 0.236 0.260 m 2.8 0.110 m1 5.08 0.200 dia. 3.65 3.85 0.144 0.152
stv9379a 6/6 information furnished is believed to be accurate and reliable. however, stmicroelectronics 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 license is granted by implication or otherwise under any patent or patent rights of stmicroelectronics. specifications mentioned in this publication are subject to change without notice. this publication supersedes and replaces all information previously supplied. stmicroelectronics products are not authorized for use as critical components in life support devices or systems without express written approval of stmicroelectronics. the st logo is a registered trademark of stmicroelectronics ? 2003 stmicroelectronics - all rights reserved purchase of i 2 c components by stmicroelectronics conveys a license under the philips i 2 c patent. rights to use these components in an i 2 c system is granted provided that the system conforms to the i 2 c standard specification as defined by philips. stmicroelectronics group of companies australia - brazil - canada - china - finland - france - germany - hong kong - india - israel -italy - japan - malaysia - malta-morocco - singapore - spain - sweden - switzerland - united kingdom - united states www.st.com 2
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