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NTE7090

Variable Output Voltage Regulator (Dual Tracking Type)

NTE Electronics 

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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