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NTE1979

Integrated Circuit Negative 3 Terminal Voltage Regulator, –8V, 100mA

NTE Electronics 

NTE1979

Integrated Circuit

Negative 3 Terminal Voltage Regulator,

–8V, 100mA

Description:

The NTE1979 is a 3–terminal fixed negative output voltage regulatgor in a TO92 type package

designed for use in power circuits with current capacity up to 100mA. Stabilized fixed output voltage

is obtained from unstable DC input voltage without the use of external components.

Features:

D No External Components

D Output Current in Excess of 100mA

D Built–In Short–Circuit Current Limiting

D Built–In Thermal Overload Protection

Absolute Maximum Ratings: (TA = +25°C unless otherwise specified)

Input Voltage, VI . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –35V

Power Dissipation (Note 1), PD . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 650mW

Operating Ambient Temperature Range, Topr . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –20° to +80°C

Storage Temperature Range, Tstg . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –55° to +150°C

Note 1. When TJ exceeds +150°C, the internal circuit cuts off the output.

Electrical Characteristics: (TA = +25°C, VI = –14V, IO = 40mA, Ci = 2µF, Co = 1µF unless

otherwise specified)

Parameter

Symbol

Test Conditions

Min Typ Max Unit

Output Voltage

Output Voltage Tolerance

Line Regulation

Load Regulation

VO TJ = +25°C

–7.68 –8.0 –8.32 V

VO VI = –11V to –23V, IO = 1mA to 70mA, –7.6 – –8.4 V

TJ = 0° to +125°C

REGIN VI = –10V to –24V, TJ = +25°C

–

– 160 mV

VI = –11V to –21V, TJ = +25°C

–

– 80 mV

REGL IO = 1mA to 100mA, TJ = +25°C

– 15 80 mV

IO = 1mA to 40mA, TJ = +25°C

–

7 40 mA

Note 2. The specified condition TJ = +25°C means that the test should be carried out with the test

time so short (within 10ms) that the drift in characteristic value due to the rise in chip junction

temperature can be ignored.

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