Philips TDA4861 free download

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INTEGRATED CIRCUITS DATA SHEET TDA4861 Vertical deflection power amplifier for monitors Product specification Supersedes data of March 1992 File under Integrated Circuits, IC02 1997 Jan 20 Philips Semiconductors Product specification Vertical deflection power amplifier for monitors FEATURES · Vertical pre-amplifier with differential inputs · Powerless vertical shift · Flyback voltage generation suitable for two operating modes (doubling the supply voltage or external supply for the short flyback time, this achieves a minimum of power dissipation) · Vertical output stage with thermal and SOAR protection · High deflection frequency up to 140 Hz · High linear sawtooth signal amplification · Possibility of guarding the deflection · Voltage stabilizer. QUICK REFERENCE DATA Measurements referenced to substrate (pin 6). SYMBOL VP1 VP2 VP3 IP1 IP2 VI I5(p-p) Tamb supply voltage (pin 1) supply voltage (pin 4) flyback supply voltage (pin 8) supply current (pin 1) supply quiescent current (pin 4) input voltage (pins 2 and 3) deflection output current (peak-to-peak value; pin 5) operating ambient temperature PARAMETER 9 9 9 - - 1.6 - -20 MIN. - - - - 9 - - - TYP. GENERAL DESCRIPTION TDA4861 The TDA4861 is a vertical power amplifier for differential input signals suitable for colour monitor/TV systems with deflection frequencies up to 140 Hz. MAX. 30 60 60 10 - 2.8 +75 V V V UNIT mA mA A °C VP1 - 0.5 V ORDERING INFORMATION TYPE NUMBER TDA4861 PACKAGE NAME SIL9P DESCRIPTION plastic single in-line power package; 9 leads VERSION SOT131-2 1997 Jan 20 2 Philips Semiconductors Product specification Vertical deflection power amplifier for monitors BLOCK DIAGRAM TDA4861 handbook, full pagewidth TDA4861 VOLTAGE STABILIZER VERTICAL DRIVER THERMAL AND SOAR PROTECTION FLYBACK DRIVER DIFFERENTIAL INPUT AMPLIFIER VERTICAL OUTPUT FLYBACK GENERATOR PULSE CIRCUIT 1 VP1 +8.8 V 2 3 BAX13 4 VP2 5 V-OUT 6 SUB 7 FLB 8 VP3 9 PCO 470 µF 1.8 k 1.8 k 5.6 270 0.1 µF yoke R1 1 470 µF VN -8.1 V 470 µF 4.3 10 k RPCO 150 k from TDA4850 1 M V-shift +52 V MHA612 Assumed values: Iyoke = 1.42 A. Ryoke = 4.17 + 7% + R(T) = 6.12 . Lyoke = 5.25 mH. R1 = 1.0 ±1%. Tamb = 65 °C. Tj(max) = 105 °C. Tyoke = 75 °C. Pyoke = 1.2 W. PIC = 1.8 W. Ptot = 3.0 W. tpFLB = typically 250 µs. Attention: the heatsink of the IC must be isolated against ground (it is connected to pin 6). Fig.1 Block diagram and application circuit with flyback supply voltage VP3 from an external source. Deflection frequency range from 50 to 100 Hz. 1997 Jan 20 3 Philips Semiconductors Product specification Vertical deflection power amplifier for monitors PINNING SYMBOL VP1 INP1 INP2 VP2 V-OUT SUB FLB VP3 PCO PIN 1 2 3 4 5 6 7 8 9 DESCRIPTION supply voltage 1 input 1 of differential input amplifier input 2 of differential input amplifier supply voltage 2 for vertical output stage vertical output substrate flyback generator output flyback supply voltage 3 pulse circuit output handbook