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NTE7135 PDF даташит

Спецификация NTE7135 изготовлена ​​​​«NTE Electronics» и имеет функцию, называемую «Integrated Circuit Vertical Deflection Power Amplifier for Monitors».

Детали детали

Номер произв NTE7135
Описание Integrated Circuit Vertical Deflection Power Amplifier for Monitors
Производители NTE Electronics
логотип NTE Electronics логотип 

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NTE7135 Даташит, Описание, Даташиты
NTE7135
Integrated Circuit
Vertical Deflection Power Amplifier for Monitors
Description:
The NTE7135 is a vertical power amplifier for differential input signals in a 9–Lead SIP type package
suitable for color monitor/TV systems with deflection frequencies up to 140Hz.
Features:
D Vertical Pre–Amplifier with Differential Inputs
D Powerless Vertical Shift
D Flyback Voltage Generation Suitable for Two Operating Modes (Doubling the Supply Voltage
or External Supply for the Short Flyback Time, this Achieves a Minimum of Power Dissipation)
D Vertical Output Stage with Thermal and SOAR Protection
D High Deflection Frequency up to 140Hz
D High Linear Sawtooth Signal Amplification
D Possibility of Guarding the Deflection
D Voltage Stabilizer
Absolute Maximum Ratings: (Voltages referenced to substrate (Pin6) unbless otherwise specified)
Supply Voltage (Pin1), VP1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40V
Supply Voltage (Pin4), VP2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 60V
Supply Voltage (Pin8), VP3 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 60V
Voltage on Pin2, Pin3, and Pin9, V2, V3, V9 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . VP1
Voltage on Pin5 and Pin7, V5, V7 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 60V
Current on Pin4, I4 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1A
Output Current on Pin5 (Peak Value, Note 1), I5 (M) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ±1.3A
Flyback Current on Pin7 (Peak Value), I7 (M) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ±1.3A
Current on Pin9, I9 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –8A
Junction Temperature (Note 1), TVJ . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . +168°C
Operating Ambient Temperatrure Range, TA . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –20° to +75°C
Storage Temperature Range, Tstg . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –25° to +150°C
Thermal Resistance, Junction–to–Case, RthJC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10K/W
Electrostatic Handling for all Pins (Note 2), Ves . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ±300V
Note 1. Internally limited by thermal protection; switching temperature point at 160 ±8°C
Note 2. Equivalent to discharging a 200pF capacitor throuhg a 0series resistor.









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NTE7135 Даташит, Описание, Даташиты
Electrical Characteristics: (VP1 = VP2 = 25V, VN = V6 = 0V, TA = +25°C, voltages referenced to
substrate (Pin6) unless otherwise specified)
Parameter
Symbol Test Conditions
Min Typ Max Unit
Supply Voltage 1 (Pin1)
Supply Voltage 2 (Pin4)
Supply Voltage 3 (Pin8)
Supply Current (Pin1)
Quiescent Supply Current (Pin4)
Pre–Amplifier
VP1 9 25 30 V
VP2 9 25 60 V
VP3 9 60 V
IP1 – – 10 mA
IP2 Without Input Signal 9 mA
Input Voltage (Pin2 and Pin3)
Input Quiescent Current
Flyback Generator
V2, V3
I2, I3 Without Input Signal
1.6 VP10.5 V
100 nA
Output Voltage
Flyback Output Current
(Maximum Value, Pin7)
V7
I7 (M)
Upper Value, I7 = 1A
VP32.2
– – ±1
V
A
Threshold Voltage to Switch Flyback
Flyback Pulse Time
Vertical Output
V15
tp FLB
ON/OFF Threshold
1.4 V
250 µs
Output Voltage
Vertical Output Current
(Maximum Value, Pin5)
V5
I5 (M)
Upper Value, I5 = 1A
Lower Value, I5 = 1A
VP32.3
VP22
1.5
1.7
±1
V
V
A
NonLinearity of Output Signal
LIN
– – 1%
Pulse Circuit Output
Output Voltage
V9 RPCO = 10k
0.4 VP10.4 V
Output Voltage for Thermal Protection Active V9
VP10.4
V
Voltage to Insert Flyback Pulse on Pin9
V15 Normal Condition
– – 1.4 V
Pulse Width
tp9 Deflection OpenCircuit
50
%
Normal Condition
tp FLB
µs
Functional Description:
Differential Input Amplifier
The differential sawtooth input signal (coming from a ramp output of the NTE7132 for example) is fed
to the input pins 2 and 3. The noninverted signal is attached to Pin3. The vertical feedback signal
is superimposed on the inverted input signal on Pin2.
Vertical shift is applied at the inputs in a powerless way.
Flyback Generator
Signals for the flyback generator and the pulse circuit are generated in the flyback driver stage. The
flyback output consists of a Darlington transistor and a flyback diode. The flyback generator can oper-
ate in two modes:
1. An external supply voltage is applied for the short flyback time, thus power dissipation is minimum.
2. The flyback voltage is generated by doubling the supply voltage. The 100µF capacitor C2 between
Pin4 and Pin7 is charged up to VP1 during scan, using the external diode and the resistor R2. The
cathode of the capacitor C2 is connected to the positive rail during flyback. Thus, the flyback volt-
age is twice the supply voltage.









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NTE7135 Даташит, Описание, Даташиты
Functional Description (Contd):
Vertical Output
The vertical output stage is a quasicomplementary classB amplifier with a high linearity. The output
contains SOAR (shortcircuit protection) and thermal protection. Tne output current on Pin5 is re-
duced for a short time (to let the temperature decrease to TJ < +150°C), when the junction temperature
(TJ) exceeds +160°C.
Deflection GUARD
Pin9 will go HIGH if the junction temperature goes to high. A pulse signal with 50% duty cycle is output
on Pin9, if the deflection coil is opencircuit. A flyback pulse signal is output at normal conditions.
Further watching can be achieved by means of an external GUARD circuit. The 22µF capacitor is
charged during flyback time (V5 > V8) at normal conditions. In case of failures, the capacitor is dis-
charged and the GUARD output goes HIGH.
GUARD output level:
D LOW for normal conditions
D HIGH for deflection coil shortcircuit respectively opencircuit
D HIGH when there are neither input or output signals
Pin Connection Diagram
(Front View)
9 Pulse Circuit Output
8 VP3 (Flyback)
7 Flyback Generator Output
6 Substrate
5 Vertical Output
4 VP2 (Vertical Output Stage)
3 Differential Input Amp Input 2
2 Differential Input Amp Input 1
1 VP1










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