NTE NTE7170

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 0Ω), VESD . . . . . . . . . . . . . . . . . . . . 300V
Operating Junction Temperature, TJ . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . +150°C
Recommended Maximum Junction Temperature, Tjr . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . +120°C
Operating Ambient Temperature Range, Topr . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . - 20° to +75°C
Storage Temperature Range, Tstg . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . - 40° to +150°C
Maximum Thermal Resistance, Junction - to - Case, RthJC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3°C/W
Temperature for Thermal Shutdown, Tt . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . +150°C
Hysteresis on Thermal Shutdown, ∆Tt . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10°C
Note 1. Versus Pin4.
Note 2. The output current can reach 4A peak for t ≤ 10µs (up to 120Hz).
Note 3. Provided SOAR is respected.
Electrical Characteristics: (TA = +25°C, VS = 42V unless otherwise specified)
Parameter
Symbol
Test Conditions
Min
Typ
Max
Unit
Operating Supply Voltage Range
VS
Versus Pin4
10
-
42
V
Pin2 Quiescent Current
Iw
I3 = 0, I5 = 0
-
10
20
mA
Pin6 Quiescent Current
I6
I3 = 0, I5 = 0
5
10
30
mA
Maximum Peak Output Current
IO
-
-
1
A
Amplifier Bias Current
I1
V1 = 25V, V7 = 26V
-
- 0.15
- 1.0
µA
I7
V1 = 25V, V7 = 26V
-
- 0.15
- 1.0
µA
VIO
-
-
7
mV
∆VIO/dt
-
- 10
-
µV/°C
Voltage Gain
GV
80
-
-
dB
Output Saturation Voltage to GND (Pin4)
V5L
I5 = 1A
-
1.0
1.5
V
Output Saturation Voltage to Supply (Pin6)
V5H
I5 = - 1A
-
1.6
2.1
V
Diode Forward Voltage Between Pin5 & Pin6
VD5 - 6
I5 = 1A
-
1.5
2.0
V
Diode Forward Voltage Between Pin3 & Pin2
VD3 - 2
I3 = 1A
-
1.5
I3 = 20mA
-
0.8
1.2
V
I3 = - 1A
-
2.1
2.9
V
Offset Voltage
Offset Drift Versus Temperature
Saturation Voltage on Pin3
V3L
Saturation Voltage to Pin2 (2nd part of flyback)
V3SH
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)
.054 (1.38)
.410 (10.42)
.237
(6.0)
.622
(15.8)
.152 (3.93)
Dia
1
.666
(16.9)
7
.300(7.62)
.890
(22.6)