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Спецификация NTE7090 изготовлена «NTE Electronics» и имеет функцию, называемую «Variable Output Voltage Regulator (Dual Tracking Type)». |
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Детали детали
Номер произв | NTE7090 |
Описание | Variable Output Voltage Regulator (Dual Tracking Type) |
Производители | NTE Electronics |
логотип |
2 Pages
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NTE7090
Variable Output Voltage Regulator
(Dual Tracking Type)
Description:
The NTE7090 is a dual tracking, variable output voltage regulator housed in a 8–pin SIP.
The output voltage can be adjusted over a wide range from ±3 to ±30V by adjusting the value of the
voltage setting external resistors. By adjusting the resistance of the external balance setting resistors
the positive/negative output voltage ratio can also be set freely. Again by attaching power transistors
high current gains can be achieved making the device suitable for use in the power supplies of a wide
variety of equipment.
Features:
D High Input voltage . . . . . . . . . . . . . . . . . . . . . . VI = ±35V
D Wide Range of Output Voltage . . . . VO = ±3 to ±30V
D Low output noise voltage . . . . . . VNO = 12µVrms(typ)
D Built–in current limiting and thermal shutdown circuit
D The output voltage rise time constant of the coefficients can be adjusted by the value of the
external capacitor.
D Capability of operation control by the external control signal (Pin 8).
Application:
Dual voltage power supplies for stereo preamplifiers, for the power supplies of other equipment, in-
cluding operational amplifiers.
Recommended Operating Conditions:
Supply Voltage Range . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ±8 to ±35V
Rated Supply Voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ±20V
Absolute Maximum Ratings: (TA = +25°C unless otherwise specified)
Input Voltage, VI . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ±35V
Load Current, IL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ±30mA
Input–Output Voltage Difference, VI–VO . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ±32V
Power Dissipation, PD . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 800mW
Operating Ambient Temperature Range, Topr . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –20° to +75°C
Storage Temperature Range, Tstg . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –56° to +125°C
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Electrical Characteristics: (TA = +25°C, VI = ±20V, VO = ±15V, IL = 10mA unless otherwise specified)
Parameter
Symbol
Test Conditions
Min Typ Max Unit
Input Voltage
Output Voltage
Reference Voltage
Minimum Input–Output Voltage
Difference
VI
VO
VREF
VI–VO
R2 = 1.5 to 55kΩ
(Between Pin5 and Pin1)
±8 – ±35
±3 – ±30
1.66 1.8 1.95
– 2.5 3
V
V
V
V
Dual Voltage Tracking
Input Regulation
Load Regulation
Bias Current
Temperature Coefficient of
Output Voltage
∆VO±
Regin
RegL
IS
TCVO
VI = ±18 to ±30V
IL = 0 to 20mA
IL = 0
TA = 0° to 75°C, VO = ±3 to ±30V
––1
%
– 0.02 0.1 %/V
– 0.02 0.1 %
– 1.3 3.0 mA
– 0.01 – %/°C
Ripple Rejection
RR f = 120Hz
– 68 – dB
Output Noise Voltage
VHO f = 20Hz to 100kHz (between the
output terminal and ground)
– 12 – µVrms
Output Cut–Off Voltage
VO(off) VI = 10V
– – ±0.1 V
Pin Connection Diagram
(Front View)
8 Output Control
7 (+) Input
6 (+) Output
5 Voltage Adjustment
4 (–) Input
3 (–) Output
2 Balance Adjustment
1 GND
.768 (19.52) Max
.118 (3.0) Max
18
.100 (2.54) Typ
.700 (17.78)
.264 (6.72)
Max
.165 (4.2)
Min
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