NTE1862 Integrated Circuit TV Vertrical Deflection Circuit Description: The NTE1862 is a monolithic, full performance, very efficient vertical deflection circuit in a 15−Lead SIP type package intended for direct drive of the yoke of 110° color TV picture tubes. This device offers a wide range of applications such as portable CTVs, BW TVs, monitors, and displays. Features: D Synchronization Circuit D Precision Oscillator and Ramp Generator D Power Output Amplifier with High Current Capability D Flyback Generator D Voltage Regulator D Precision Blanking Pulse Generator D Thermal Shutdown Protection D CRT Screen Protection Circuit which Blanks the Beam Current in the Event of Loss of Vertical Deflection Circuit Absolute Maximum Ratings: Supply Voltage (Pin14), VS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35V Flyback Peak Voltage, V1, V2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 60V Sync. Input Voltage, V5 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20V Power Amplifier Input Voltage, V11, V12 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . VS −10V Voltage at Pin13, V13 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . VS Non−Repetitive Output Current (t = 2ms), IO . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3A Output Peak Current, IO f = 50Hz, t > 10µs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2A f = 50Hz, t ≤ 10µs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3.5A Pin15 Peak to Peak Flyback Current (f = 50Hz, tfly ≤ 1.5ms), I15 . . . . . . . . . . . . . . . . . . . . . . . . . . . 3A Pin15 DC Current (V1 < V14), I15 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 100mA Maximum Power Dissipation (TC ≤ +60°C), Ptot . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30W Junction Temperature Range, TJ . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . −40° to +150°C Storage Temperature Range, Tstg . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . −40° to +150°C Maximum Thermal Resistance, Junction to Case, RΘJC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . +3°C/W Maximum Thermal Resistance, Junction to Ambient, RΘJA . . . . . . . . . . . . . . . . . . . . . . . . . . +40°C/W DC Electrical Characteristics: (VS = 35V, TA = +25°C unless otherwise specified) Parameter Symbol Test Conditions Min Typ Max Unit Pin2 Quiescent Current I2 I1 = 0 − 18 30 mA Ramp Generator Bias Current −I9 V9 = 0 − 0.02 1.0 µA Ramp Generator Current −I9 V9 = 0, −I7 = 20µA 18.5 20.0 21.5 µA | ∆I9 | ∆V9 = 0 to 15V, −I7 = 20µA I9 − 0.2 1.0 % − 25 50 mA VS = 35V, Ra = 2.2kΩ, Rb = 1kΩ 16.8 17.8 18.6 V VS = 15V, Ra = 390Ω, Rb = 1kΩ 7.0 7.5 8.0 V Ramp Generator Non Linearity Pin14 Quiescent Current I14 Quiescent Output Voltage V1 Output Saturation Voltage to GND V1L I1 = 1.2A − 1.0 1.4 V Output Saturation Voltage to Supply V1H −I1 = 1.2A − 1.6 2.2 V Oscillator Virtual Ground V4 − 0.45 − V Regulated Voltage at Pin7 V7 6.3 6.6 7.1 V − 1 − mV V 4.2 4.4 4.6 V −I7 = 20µA ∆VS = 15 to 35V Regulated Voltage Drift with Supply Voltage ∆V7 ∆VS Amplifier Input (+) Reference Voltage V11 Blanking Output Saturation Voltage V13 I13 = 10mA − 0.35 − V Pin15 Saturation Voltage to GND V15 I15 = 20mA − 1.0 1.3 V AC Electrical Characteristics: (VS = 24V, f = 50Hz, TA = +25°C unless otherwise specified) Parameter Symbol Test Conditions Typ Max Unit − 295 − mA 100 − − µA Supply Current IS Sync Input Current Required to Sync I5 Flyback Voltage v1 Iy = 2App − 50 − V Peak to Peak Oscillator Sawtooth Voltage V lt v3 I5 = 0 − 3.6 − V I5 = 100µA − 3.4 − V Start Scan Level of the Input Ramp V10thL − 1.85 − V − 0.6 − ms − 1.4 − ms − 1.17 − ms − 43.5 − Hz − 52.5 − Hz − 16 − Hz − 145 − °C Flyback Time Blanking Pulse Duration Iy = 2App Min tfly Iy = 2App tblank fo = 50Hz Tj = +75°C fo = 60Hz Free Running Frequency fo Ro = 7.5kΩ Ro = 6.2kΩ Synchronization Range ∆f Junction Temperature for Thermal Shutdown Tj Co = 330nF, Tj = +75°C, 75°C I5 = 100µA, Tj = +75°C Pin Connection Diagram (Front View) 15 Flyback 14 Supply 13 Blanking Output 12 Amplifier Input (−) 11 Amplifier Input (+) 10 Ramp Output 9 Ramp Generator 8 GND 7 Height Adjustment 6 Oscillator 5 Sync Input 4 Oscillator 3 Oscillator 2 Amplifier Supply 1 Amplifier Output .791 (20.1) .196 (4.99) .069 (1.75) .689 (17.5) .150 (3.81) Dia Max .860 (21.8) 1 .110 (2.79) .699 (17.7) 15 .050 (1.27) .008 (.203) .200 (5.08) .169 (4.29)