SGS-THOMSON TDA8179S free download

File name TDA8179S.pdf

TDA8179S TV VERTICAL DEFLECTION BOOSTER . . . POWER AMPLIFIER FLYBACK GENERATOR THERMAL PROTECTION DESCRIPTION Designed for monitors and high performance TVs, the TDA8179S vertical deflection booster delivers flyback voltages up to 90V. The TDA8179S operates with supplies up to 42V and provides up to 2App output current to drive to yoke. The TDA8179S is offered in HEPTAWATT package. PIN CONNECTIONS HEPTAWATT (Plastic Package) ORDER CODE : TDA8179S 7 6 5 4 3 2 1 Non-inverting Input Output Stage Supply Output GND Flyback Generator Supply Voltage Inverting Input Tab connected to pin 4 8179S-01.EPS May 1993 1/6 TDA8179S BLOCK DIAGRAM + VS 2 6 3 FLYBACK GENERATOR 1 POWER AMPLIFIER 5 YOKE THERMAL PROTECTION 7 4 APPLICATION CIRCUIT + VS 2 6 3 IN VREF 1 TDA8179S 5 OUT 7 YOKE 4 Note : For values see "Easy Design of Vertical Deflection Stages" (software available from our sales offices) 2/6 8179S-03.EPS 8179S-02.EPS TDA8179S ABSOLUTE MAXIMUM RATINGS Symbol VS V5 , V6 V1 , V7 IO Supply Voltage (pin 2) Flyback Peak 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 DC at V5 < V2 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 + VS Unit V V A 2 2 1.8 100 1.8 20 - 40, + 150 0, +150 mA 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 V3L V5 Parameter Operating Supply Voltage Range Pin 2 Quiescent Current Pin 6 Quiescent Current Amplifier Bias Current Scanning Voltage Quiescent Output Voltage VS = 42V VS = 35V V5L V5H VD5 - 6 VD3 - 2 R1 Tj Output Saturation Voltage to GND Output Saturation Voltage to Supply Diode Forward Voltage between Pins 5-6 Diode Forward Voltage between Pins 3-2 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 8179S-03.TBL Test Conditions I3 = 0 I3 = 0 V1 = 1V I3 = 20mA I5 = 0 I5 = 0 Min. 10 Typ. 10 20 - 0.2 1.3 Max. 42 20 40 -1 1.8 Unit V mA mA µA V V C 3/6 8179S-02.TBL THERMAL DATA 8179S-01.TBL W TDA8179S 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 TDA8179S S1 1 10k 1 a b TDA8179S 5 7 4 I1 V7 1V 8179S-04.EPS 7 4 -I5 1V V 7 S1 : (a) I2 and I6, (b) I1 Figure 1c : Measurement of V3L, V5L + VS Figure 1d : Measurement of V5 + VS I 3 or I 5 2 6 2 6 S1 3 a b 1 TDA8179S 5 1 TDA8179S 5 7 4 V7 39k V5 7 4 V 3L V 5L Re 8179S-06.EPS 3V V7 S1 : (a) V3L, (b) V5L 4/6 8179S-07.EPS 8179S-05.EPS TDA8179S Figure 2 : SOAof Each Output Powe