SGS-THOMSON TDA8179F free download

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TDA8179FS TV VERTICAL DEFLECTION BOOSTER . . . POWER AMPLIFIER FLYBACK SUPPLY VOLTAGE SEPARATED THERMAL PROTECTION DESCRIPTION Designed for monitors and high performance TVs, the TDA8179FS vertical deflection booster is able to work with a flyback voltage more than the double of VS. The TDA8179FS operates with supplies up to 42V, flyback output up to 92V and provides up to 2App output current to drive to yoke. The TDA8179FS is offered in HEPTAWATT package. PIN CONNECTIONS HEPTAWATT (Plastic Package) ORDER CODE : TDA8179FS 7 6 5 4 3 2 1 Non-inverting Input Output Stage Supply Output GND Flyback Supply Voltage Supply Voltage Inverting Input Tab connected to pin 4 8179F-01.EPS May 1993 1/6 TDA8179FS BLOCK DIAGRAM + VS + V FLYBACK 2 6 3 1 POWER AMPLIFIER 7 YOKE THERMAL PROTECTION 4 5 APPLICATION CIRCUIT + VS + VF 2 6 3 IN VREF 1 TDA8179FS 5 OUT 7 YOKE 4 Note : For values see " Easy Design of Vertical Deflection Stages" (software available from our sales offices) 2/6 8179F-03.EPS 8179F-02.EPS TDA8179FS ABSOLUTE MAXIMUM RATINGS Symbol VS VF VF - VS V1 , V7 IO Supply Voltage (pin 2) Flyback Supply Voltage Difference between Flyback Supply Voltage and Supply Voltage Amplifier Input Voltage Output Peak Current Non-repetitive, t = 2ms f = 50 or 60Hz, t 10µs f = 50 or 60Hz, t > 10µs I3 Ptot Tstg Tj Pin 3 Peak Flyback Current at f = 50 or 60Hz, tfly 1.5ms Total Power Dissipation at TC = 70 C Storage Temperature Junction Temperature o Parameter Value 50 100 50 + VS Unit V V V A 2 2 1.8 1.8 20 - 40, + 150 0, +150 A o o C C Symbol Rth (j-c) Parameter Junction-case Thermal Resistance Max. Value 3 Unit o C/W ELECTRICAL CHARACTERISTICS (V7 = 2.2V, VS = 42V, TA = 25oC, unless otherwise specified) (refer to the test circuits - see Figure 1 next page) Symbol VS I2 I6 I1 V5 Parameter Operating Supply Voltage Range Pin 2 Quiescent Current Pin 6 Quiescent Current Amplifier Bias Current Quiescent Output Voltage VS = 42V VS = 35V V5L V5H VD5 - 6 VD3 - 6 R1 Tj Output Saturation Voltage to GND Output Saturation Voltage to Supply Diode Forward Voltage between Pins 5-6 Diode Forward Voltage between Pins 3-6 Input Resistance Junction Temperature for Thermal Shutdown I5 = 1A - I5 = 1A ID = 1A ID = 1A R a = 3.9k R a = 5.6k 23.4 17 24.2 17.8 1.2 2.2 1.5 1.5 200 140 25 18.5 1.5 2.6 3 3 V V V V k o 8179F-03.TBL Test Conditions I3 = 0 I3 = 0 V1 = 1V I5 = 0 I5 = 0 Min. 10 Typ. 10 20 - 0.2 Max. 42 20 40 -1 Unit V mA mA µA V C 3/6 8179F-02.TBL THERMAL DATA 8179F-01.TBL W TDA8179FS FIGURE 1 : DC Test Circuits Figure 1a : Measurement of I1, I2, I6 + VS I2 I6 Figure 1b : Measurement of V5H + VS 2 6 V5H 2 5 6 TDA8179FS S1 1 10k 1 a b TDA8179FS 5 7 4 I1 V7 1V 8179F-04.EPS 7 4 -I5 1V V 7 S1 : (a) I2 and I6, (b) I1 Figure 1c : Measurement of V5L + VS Figure 1d : Measurement of V5 + VS I5 2 6 2 6 3 1 TDA8179FS 5 1 TDA8179FS 5 7 V7 39k 4 V5 7 4 V5L 3V V7 8179F-06.EPS Re 8179F-07.EPS 4/6 8179F-05.EPS T