datasheet STV8179F ? january 2006 1/9 rev. 3 overview power amplifier thermal protection output current up to 3.6a pp flyback voltage up to 90v (on pin 5) suitable for dc coupling application external flyback supply description designed for monitors and high performance tvs, the STV8179F vertical deflection booster can handle flyback voltages of up to 90v. in addition, it is possible to have a flyback voltage which is more than double that of the supply (pin 2). this allows decreasing power consumption or decreasing the flyback time for a given supply voltage. the STV8179F operates with supplies of up to 42v and outputs up to 3.6a pp to drive the yoke. the STV8179F is offered in a heptawatt package. 7 6 5 4 3 2 1 tab connected input (non inverting) output stage supply output ground or negative supply flyback generator supply voltage input (inverting) to pin 4 heptawatt (plastic package) order code: STV8179F 2 6 3 5 1 7 4 STV8179F inverting input non-inverting input ground or negative supply output flyback output supply voltage stage supply supply thermal protection power amplifier + - vertical deflection booster for slim crts
STV8179F 2/9 table of contents chapter 1 absolute maximum ratings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3 chapter 2 thermal data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3 chapter 3 electrical characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4 chapter 4 application circuits . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5 chapter 5 package mechanical data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7
3/9 STV8179F absolute maximum ratings 1 absolute maximum ratings note: 1 versus pin 4. 2 the output current can reach 6a peak for t 10 s (up to 120 hz) 3 provided soar is respected (see figures 3 and 4). 2 thermal data symbol parameter value unit v s supply voltage (pin 2) (see note 1) 50 v v 6 flyback peak voltage (pin 6) (see note 1) 120 v v 1 ,v 7 amplifier input voltage (pins 1-7) (see note 1) -0.3, + v s v i o maximum output peak current (see notes 2 and 3) 3.0 a i 3 maximum sink current (t < 1ms) 3.0 a i 3 maximum source current (t < 1ms) (in the diode, see block diagram) (see note 2) 3.0 a v esd esd susceptibility: eiaj norm (200pf discharged through 0 ? )300v v 3 -v 2 voltage difference between flyback supply and supply voltage 50 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 t jr recommended max. junction temperature 120 c
electrical characteristics STV8179F 4/9 3 electrical characteristics (v s = 42v, t a = 25c, unless otherwise specified) note: 1 provided soa for the output transistors is respected (see figures 3 and 4). symbol parameter test conditions min. typ. max. unit v s operating supply voltage range versus pin 4 10 42 v v 3m operating flyback supply voltage (v 3m v s +50v) versus pin 4 v s 90 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 7 12 35 ma i o max. operating peak output current refer to note 1 1.8 a i 1 amplifier bias current v 1 = 22v, v 7 = 23v -0.15 - 1 a i 3 flyback current during scanning period v flyback = 100v 2.0 5.0 ma i 7 amplifier bias current v 1 = 23v, v 7 = 22v -0.15 - 1 a v io offset voltage 7mv ? v io /dt offset drift versus temperature - 10 v/c gv voltage gain 80 db v 5l output saturation voltage to gnd (pin 4) i 5 = 1.8a 1.35 2.2 v v 5h output saturation voltage to supply (pin 6) i 5 = -1.8a 2.2 3.0 v v d5-6 diode forward voltage between pins 5-6 i 5 = 1.8a 1.8 2.3 v v d3-6 diode forward voltage between pins 3-6 i 3 = 1.8a 2.3 3.3 v v 3-6 voltage drop between pin 3-6 (2nd part of flyback) i 3 = - 1.8a 3.6 4.2 v v 5th threshold voltage for triggering flyback vs+vd v
5/9 STV8179F application circuits 4 application circuits note: to prevent spurious voltages during power-on/power-off phases, you must refer the flyback voltage to +v s rather than to ground. note: to prevent spurious voltages during power-on/power-off phases, you must refer the flyback voltage to +v s rather than to ground. figure 1: ac coupling figure 2: dc coupling
application circuits STV8179F 6/9 figure 3: output transistor soa (for secondary breakdown) figure 4: secondary breakdown te mperature de-rating curve (isb = secondary breakdown current)
7/9 STV8179F package mechanical data 5 package mechanical data figure 5: 7-pin plastic heptawatt package table 1: heptawatt package dim. mm inches min. typ. max. min. typ. max. a 4.8 0.189 c 1.37 0.054 d 2.40 2.80 0.094 0.110 d1 1.20 1.35 0.047 0.053 e 0.35 0.55 0.014 0.022 e1 0.70 0.97 0.028 0.038 f 0.60 0.80 0.024 0.031 g 2.34 2.54 2.74 0.095 0.100 0.105 g1 4.88 5.08 5.28 0.193 0.200 0.205 g2 7.42 7.62 7.82 0.295 0.300 0.307 h2 10.40 0.409 h3 10.05 10.40 0.396 0.409 l 16.70 16.90 17.10 0.657 0.668 0.673 a l l1 c d1 l5 l2 l3 d e m1 m h3 dia. l7 l11 l10 l6 h2 f gg1 g2 e1 f e l9 v4 l4 h2
package mechanical data STV8179F 8/9 l1 14.92 0.587 l2 21.24 21.54 21.84 0.386 0.848 0.860 l3 22.27 22.52 22.77 0.877 0.891 0.896 l4 1.29 0.051 l5 2.60 2.80 3.00 0.102 0.110 0.118 l6 15.10 15.50 15.80 0.594 0.610 0.622 l7 6.00 6.35 6.60 0.0236 0.250 0.260 l9 0.20 0.008 l10 2.10 2.70 0.082 0.106 l11 4.30 4.80 0.169 0.190 m 2.55 2.80 3.05 0.100 0.110 0.120 m1 4.83 5.08 5.33 0.190 0.200 0.210 v4 40 (typ.) dia. 3.65 3.85 0.144 0.152 table 1: heptawatt package (continued) dim. mm inches min. typ. max. min. typ. max.
9/9 STV8179F package mechanical data notes: 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 f rom 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 pr eviously supplied. stmicroelectronics products are not authorized for use as critical components in life support devices or systems with out express written approval of stmicroelectronics. the st logo is a trademark of stmicroelectronics. all other names are the property of their respective owners. ? 2006 stmicroelectronics - all rights reserved stmicroelectronics group of companies australia - belgium - brazil - canada - china - czech republic - finland - france - germany - hong kong - india - israel - ital y - japan - malaysia - malta - morocco - singapore - spain - sweden - switzerland - united kingdom - united states of america http://www.st.com
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