NTE7170 Integrated Circuit Vertical Deflection Booster
Description: The NTE7170 is an integrated circuit in a 7- Lead SIP type package designed for use in monitors and high performance TVs. This vertical deflection booster delivers flyback voltages close to 90V and operates with supplies up to 42V and provides up to 2AP - P output current to drive the yoke. Features: D Power Amplifier D Flyback Generator D Thermal Protection D Output Current up to 2.0AP - P D Flyback Voltage up to 90V (On Pin5) D Suitable for DC Coupling Applications Absolute Maximum Ratings: Supply Voltage (Pin2, Note 1), VS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50V Flyback Peak Voltage (Pin6, Note 1), V6 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 100V Amplifier Input Voltage (Pin1, Pin7, Note 1), V1, V7 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . - 0.3V to +VS Maximum Output Peak Current (Note 2, Note 3), IO . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1.5A Maximum Sink Current (First part of flyback, t < 1ms), I3 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1.5A Maximum Source Current (t < 1ms), I3 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1.5A ESD Susceptibility: EIAJ Norm (200pF discharge through 0), VESD . . . . . . . . . . . . . . . . . . . . 300V Operating Junction Temperature, TJ . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . +150C Recommended Maximum Junction Temperature, Tjr . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . +120C Operating Ambient Temperature Range, Topr . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . - 20 to +75C Storage Temperature Range, Tstg . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . - 40 to +150C Maximum Thermal Resistance, Junction - to - Case, RthJC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3C/W Temperature for Thermal Shutdown, Tt . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . +150C Hysteresis on Thermal Shutdown, Tt . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10C Note 1. Versus Pin4. Note 2. The output current can reach 4A peak for t 10s (up to 120Hz). Note 3. Provided SOAR is respected.
Electrical Characteristics: (TA = +25C, VS = 42V unless otherwise specified)
Parameter Operating Supply Voltage Range Pin2 Quiescent Current Pin6 Quiescent Current Maximum Peak Output Current Amplifier Bias Current Symbol VS Iw I6 IO I1 I7 Offset Voltage Offset Drift Versus Temperature Voltage Gain Output Saturation Voltage to GND (Pin4) Output Saturation Voltage to Supply (Pin6) Diode Forward Voltage Between Pin5 & Pin6 Diode Forward Voltage Between Pin3 & Pin2 Saturation Voltage on Pin3 Saturation Voltage to Pin2 (2nd part of flyback) VIO VIO/dt GV V5L V5H VD5 - 6 VD3 - 2 V3L V3SH I5 = 1A I5 = - 1A I5 = 1A I3 = 1A I3 = 20mA I3 = - 1A V1 = 25V, V7 = 26V V1 = 25V, V7 = 26V Test Conditions Versus Pin4 I3 = 0, I5 = 0 I3 = 0, I5 = 0 Min 10 5 80 Typ 10 10 - 0.15 - 0.15 - 10 1.0 1.6 1.5 1.5 0.8 2.1 1.2 2.9 V V Max 42 20 30 1 - 1.0 - 1.0 7 1.5 2.1 2.0 Unit V mA mA A A A mV V/C dB V V V
Pin Connection Diagram (Front View) 7 6 5 4 3 2 1 Non Inverting Input Output Stage Supply Output GND/Tab Flyback Generator Supply Voltage Inverting Input
.189 (4.8) .410 (10.42) .237 (6.0) .622 (15.8) .152 (3.93) Dia .666 (16.9) .890 (22.6) .054 (1.38)
1
7
.300(7.62)
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