TDA4865J_TDA4865AJ_2| Datasheet

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TDA4865J; TDA4865AJ
Vertical deflection booster
Rev. 02 -- 3 November 2006 Product data sheet

1. General description
The TDA4865J and TDA4865AJ are deflection boosters for use in vertical deflection systems for frame frequencies up to 200 Hz. The TDA4865J needs a separate flyback supply voltage, so the supply voltages are independently adjustable to optimize power consumption and flyback time. For the TDA4865AJ the flyback supply voltage will be generated internally by doubling the supply voltage and therefore a separate flyback supply voltage is not needed. Both circuits provide differential input stages.

2. Features
I I I I I Power amplifier with differential inputs Output current up to 3.8 A (p-p) High vertical deflection frequency up to 200 Hz High linear sawtooth signal amplification Flyback generator: N TDA4865J: separate adjustable flyback supply voltage up to 70 V N TDA4865AJ: internally doubled supply voltage (two supply voltages only for DC-coupled outputs)

3. Quick reference data
Table 1. Symbol VP1 VP2 VFB VP3 Vi(INN) Vi(INP) IP1 Quick reference data Parameter supply voltage 1 supply voltage 2 flyback supply voltage of TDA4865J flyback generator output voltage of TDA4865AJ input voltage on pin INN input voltage on pin INP supply current 1 during scan IVOUT = -1.9 A Conditions Min 9 VP1 - 1 VP1 - 1 0 1.6 1.6 Typ 6 Max 35 70 70 Unit V V V

VP1 + 2.2 V VP1 - 0.5 V VP1 - 0.5 V 10 mA