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NTE1754 Integrated Circuit Vertical Deflection Output Circuit
Description: The NTE1754 is a full-performance vertical deflection output circuit in a 9-Lead SIP type package intended for direct drive of the deflection coils and it can be used for a wide range of 90 and 110 deflection systems. The NTE1754 is provided with a guard circuit which blanks the picture tube screen in case of absence of the deflection current. Features: D Direct Drive to the Deflection Coils D 90and 110 Deflection System D Internal Blanking Guard Circuit D Internal Voltage Stabilizer Applications: D Video Monitors D TV Receivers Absolute Maximum Ratings: (Note 1) Output Voltage, V5-4 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0 to 60V Supply Voltage, V9-4 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0 to 40V Supply Voltage Output Stage, V6-4 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0 to 60V Input Voltage, V1-2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0 to V9-4 Input Voltage Switching Circuit, V3-2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0 to V9-4 External Voltage at Pin7, V7-2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0 to 5.6V Repetitive Peak Output Current, I5RM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1.5A Non-Repetitive Peak Output Current (Note 1), I5SM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3A Repetitive Peak Output Current of Flyback Generator, I8RM . . . . . . . . . . . . . . . . . . . . . . +1.5A, -1.6A Non-Repetitive Peak Output Current of Flyback Generator (Note 1), I8SM . . . . . . . . . . . . . . . . . 3A Operating Ambient Temperature Range, TA . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -25 to +60C Operating Junction Temperature Range (Note 2), TJ . . . . . . . . . . . . . . . . . . . . . . . . . . -25 to +150C Storage Temperature Range, Tstg . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -65 to +150C Thermal Resistance, Junction-to-Mounting Base, RthJMB . . . . . . . . . . . . . . . . . . . . . 3.5 to 4.0C/W Note 1. Pin2 and Pin4 are externally connected to GND. Note 2. The output current at Pin5 should not exceed 2.5A.
Electrical Characteristics: (TA = +25C, VCC (V9-4) = 26V, Note 1, Note 3 unless otherwise specified)
Parameter Supply Supply Voltage, Pin9 Supply Voltage Output Stage Supply Current, Pin6 and Pin9 Quiescent Current Variation of Quiescent Current with Temperature Output Current Output Current (Peak-to-Peak), Pin5 Output Current Flyback Generator, Pin8 Output Voltage Peak Voltage During Flyback Saturation Voltage to Supply V5-4 V6-5(sat) V5-6(sat) V6-5(sat) V5-6(sat) Saturation Voltage to GND Flyback Generator Saturation Voltage V9-8(sat) V8-9(sat) V9-8(sat) V8-9(sat) Leakage Current at Pin8 Flyback Generator Active If: Input Input Current, Pin1 Input Voltage During Scan, Pin1 Input Current During Scan, Pin3 Input Voltage During Scan, Pin3 Input Voltage During Flyback, Pin1 Input Voltage During Flyback, Pin3 I1 V1-2 I3 V3-2 V1-2 V3-2 Note 8 Note 8 I5 = 1.5A - - 0.03 0.8 - - 0.33 2.35 - - - - 0.55 3.0 - V9-4 250 250 mA V mA V mV mV -I8 V5-9 I8 = -1.6A I8 = 1.5A, Note 7 I8 = -1.3A I8 = 1.2A, Note 7 - - - - - 4 1.6 2.3 1.4 2.2 5 - 2.1 3.0 1.9 2.7 100 - V V V V A V V5-4(sat) I5 = -1.5A I5 = 1.5A, Note7 I5 = -1.2A I5 = 1.2A, Note 7 I5 = 1.2A I5 = 1.5A - - - - - - - - 2.5 2.5 2.2 2.3 2.2 2.5 60 3.2 3.2 2.7 2.8 2.7 3.2 V V V V V V V I5(P-P) +I8(P-P) -I8(P-P) - - - 2.5 1.25 1.35 3.0 1.5 1.6 A A A V9-4 V6-4 I6 + I9 I4 TC Note 6 Note 5 10 - 35 25 - - - 55 40 -0.04 40 60 85 65 - V V mA mA mA/C Symbol Test Conditions Min Typ Max Unit
Note 1. Pin2 and Pin4 are externally connected to GND. Note 3. Pin1 externally connedted to Pin3. Note 4. Non-repetitive duty factor 3.3%. Note 5. The maximum supply voltage should be chosen so that during flyback the voltage at Pin 5 does not exceed 60V. Note 6. When V5-4 is 13V and no load at Pin5. Note 7. Duty cycle, d = 5% or d = 0.05 Note 8. When Pin3 is driven separately from Pin1.
Electrical Characteristics (Cont'd): (TA = +25C, VCC (V9-4) = 26V, Note 1, Note 3 unless otherwise specified)
Parameter Guard Circuit Output Voltage, Pin7 Internal Series Resistance of Pin7 Guard Circuit Activates General Data Open Loop Gain Frequency Response GO f at 1kHz, Note 10 -3dB, Note 12 - - 33 60 - - kHz V7-2 Ri7 V8-2 Note 9 RL = 100k, Note 11 IL = 0.5mA, Note 11 4.1 3.4 0.95 - 4.5 3.9 1.35 - 5.8 5.3 1.7 1.0 V V k V Symbol Test Conditions Min Typ Max Unit
Note Note Note Note
1. 3. 4. 5.
Note 6. Note 7. Note 8. Note 9. Note10. Note 11. Note12.
Pin2 and Pin4 are externally connected to GND. Pin1 externally connedted to Pin3. Non-repetitive duty factor 3.3%. The maximum supply voltage should be chosen so that during flyback the voltage at Pin 5 does not exceed 60V. When V5-4 is 13V and no load at Pin5. Duty cycle, d = 5% or d = 0.05 When Pin3 is driven separately from Pin1. During normal operation the voltage V8-2 may not be lower than 1.5V RL = 8; IL = 125mARMS If guard circuit is active. With a 22pF capacitor between Pin1 and Pin5.
Pin Connection Diagram (Front View)
9 VCC 8 Flyback Generator 7 Voltage Stabilizer 6 Output Stage Supply Input 5 Output 4 Output Stage GND 3 Switching Circuit 2 GND 1 Input
.961 (24.4) .780 (19.8) .185 (4.7)
.489 (12.4) .079 (2.0)
9
1
.674 (17.0)
.079 (2.0)
.100 (2.54)

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