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参数资料
| 型号： | NTE7136 |
| 厂商： | NTE Electronics, Inc. |
| 英文描述： | Integrated Circuit Vertical Deflection Power Amplifier for Monitors |
| 中文描述： | 集成电路垂直偏转功率放大器监视器 |
| 文件页数： | 2/4页 |
| 文件大小： | 26K |
| 代理商： | NTE7136 |
Electrical Characteristics:
(V
P1
= V
P2
= 25V, V
N
= V
6
= 0V, T
A
= +25
°
C, voltages referenced to
substrate (Pin6) unless otherwise specified)
Parameter
Symbol
Supply Voltage 1 (Pin1)
V
P1
Supply Voltage 2 (Pin4)
V
P2
Supply Voltage 3 (Pin8)
V
P3
Supply Current (Pin1)
I
P1
Quiescent Supply Current (Pin4)
I
P2
Without Input Signal
Pre–Amplifier
Input Voltage (Pin2 and Pin3)
V
2
, V
3
Input Quiescent Current
I
2
, I
3
Without Input Signal
Flyback Generator
Output Voltage
V
7
Upper Value, I
7
=
–
1A
Flyback Output Current
(Maximum Value, Pin7)
Threshold Voltage to Switch Flyback
V
1
–
5
ON/OFF Threshold
Flyback Pulse Time
t
p FLB
Vertical Output
Output Voltage
V
5
Upper Value, I
5
=
–
1A
Lower Value, I
5
= 1A
Upper Value, I
5
=
–
1.4A
Lower Value, I
5
= 1.4A
Vertical Output Current
(Peak
–
to
–
Peak Value, Pin5)
Non
–
Linearity of Output Signal
LIN
Pulse Circuit Output
Output Voltage
V
9
R
PCO
= 10k
Output Voltage for Thermal Protection Active
V
9
Voltage to Insert Flyback Pulse on Pin9
V
1
–
5
Normal Condition
Pulse Width
t
p9
Deflection Open
–
Circuit
Normal Condition
Test Conditions
Min
9
9
9
–
–
Typ
25
25
–
–
9
Max
30
60
60
10
–
Unit
V
V
V
mA
mA
1.6
–
–
V
P1
–
0.5
–
V
nA
100
–
–
V
P3
–
2.2
–
–
V
A
I
7 (M)
±
1.3
–
–
1.4
250
–
–
V
μ
s
V
P2
–
2.3
–
–
–
–
V
P2
–
2
1.5
V
P2
–
2.3
1.7
–
–
V
V
V
V
A
1.7
–
–
2.8
I
5 (P
–
P)
–
–
1
%
0.4
–
–
–
50
–
V
P1
–
0.4
–
1.4
–
–
V
V
V
%
μ
s
V
P1
–
0.4
–
–
t
p FLB
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 non
–
inverted 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 power
–
less 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 100
μ
F capacitor C2 between
Pin4 and Pin7 is charged up to V
P1
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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