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NTE1289 Integrated Circuit TV Vertical Deflection System Description: The NTE1289 is a monolithic integrated circuit in a 12-Lead quad in-line package designed for use in black and white and color TV receivers. Features: D Synchronization Circuit D Oscillator and Ramp Generator D High Power Gain Amplifier D Flyback Generator D Voltage Regulator Absolute Maximum Ratings: Supply Voltage (Pin2), VS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35V Flyback Peak Voltage, V4, V5 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 60V Power Amplifier Input Voltage, V10 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . +10, -0.5V Output Peak Current (Non-Repetitive, t = 2msec), IO . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2A Output Peak Current, IO (f = 50Hz, t 10s) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2.5A (f = 50Hz, t > 10s) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1.5A Pin3 DC Current (V4 < V2), I3 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 100mA Pin3 Peak-to-Peak Flyback Current (f = 50Hz, tfly 1.5msec), I3 . . . . . . . . . . . . . . . . . . . . . . . . 1.8A Pin8 Current, I8 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20mA Power Dissipation, Ptot TA = +80C . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1W Ttab = +90C . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5W Operating Junction Temperature Range, TJ . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -40 to +150C Storage Temperature Range, Tstg . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -40 to +150C Thermal Resistance, Junction-to-Tab, RthJ-TAB . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12C/W Thermal Resistance, Junction-to-Ambient (Note 1), RthJA . . . . . . . . . . . . . . . . . . . . . . . . . . . 70C/W Note 1. Obtained with tabs soldered to printed circuit with minimized copper area. DC Elecrtrical Characteristics: (TA = +25C, VS = 35V unless otherwise specified) Parameter Pin2 Quiescent Current Pin5 Quiescent Current Oscillator Bias Current Amplifier Input Bias Current Ramp Generator Bias Current Ramp Generator Current Ramp Generator Non-Linearity Supply Voltage Range Pin1 Saturation Voltage to GND Pin3 Saturation Voltage to GND Quiescent Output Voltage Symbol I2 I5 -I9 -I10 -I12 -I12 I12/I12 VS V1 V3 V4 V4L V4H V6 V7 V10 R8 V8 400mV I7 = 20A VS = 10V to 35V I1 = 1mA I3 = 10mA VS = 10V, R1 = 10k, R2 = 10k VS = 35V, R1 = 30k, R2 = 10k Output Saturation Voltage to GND -I4 = 100mA -I4 = 800mA Output Saturation Voltage to VS Regulated Voltage at Pin6 Regulated Voltage at Pin7 Regulated Voltage Drift with VS Amplifier Input Reference Voltage Pin8 Input Resistance I4 = 100mA I4 = 800mA I3 = 0 I4 = 0 V9 = 1V V10 = 1V V12 = 0 I7 = 20A, V12 = 0 I12 = 0V to 12V, I7 = 20A Test Conditions Min - - - - - 19 - 10 - - Typ 7 8 0.1 0.1 0.02 20 0.2 - 1 1.7 Max 14 15 1.0 1.0 0.3 24 1.0 36 14 2.6 Unit mA mA A A A A % V V V V V V V V V V V mV/V V M 4.17 4.40 4.63 8.35 8.80 9.25 - - - - 6.1 6.2 - 0.9 1.9 1.4 2.8 6.5 6.6 1 1.2 2.3 2.1 3.2 6.9 7.0 - 2.07 2.20 2.30 1 - - AC Elecrtrical Characteristics: (TA = +25C, VS = 25V, f = 50Hz unless otherwise specified) Parameter Supply Current Sync. Input Current (Positive or Negative) Flyback Voltage Peak-to-Peak Oscillator Sawtooth Voltage Flyback Time Free Running Time Symbol IS I8 V4 V9 tfly fo f f/VS Iy = 1AP-P (P1 + R1) = 300k, C2 = 100nF (P1 + R1) = 260k, C2 = 100nF Synchronization Range Frequency Drift with VS Frequency Drift with Ttab I8 = 0.5mA VS = 10V to 35V Iy = 1AP-P Test Conditions Iy = 1AP-P Min - 500 - - - - - 14 - - Typ 140 - 51 2.4 0.7 44 52 - 0.005 0.01 Max - - - - - - - - - - Unit mA A V V ms Hz Hz Hz Hz/V Hz/C f/Ttab Ttab = +40 to +120C Pin Connection Diagram Ramp Output 1 Supply Voltage 2 Flyback 3 Tab 12 Ramp Generator 11 Compensation 10 Amp Input Tab Amp Output 4 Amp Voltage 5 Regulated Voltage 6 9 Oscillator 8 Sync Input 7 Height Adjust .247 (6.27) 12 7 .677 (17.2) 1 6 .770 (19.5) Max .260 (6.6) .233 (5.9) Max .100 (2.54) .700 (17.78) .099 (2.5) Min |
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