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NTE964

Integrated Circuit 3–Terminal Positive Voltage Regulator, 8V

NTE Electronics 

NTE964

Integrated Circuit

3–Terminal Positive Voltage Regulator, 8V

The NTE964 fixed–voltage regulator is a monolithic integrated circuit in a TO220 type package de-

signed for use in a wide variety of applications including local, on–card regulation. This regulator em-

ploys internal current limiting, thermal shutdown, and safe–area compensation. With adequate heat-

sinking it can deliver output currents in excess of 1.0 ampere. Although designed primarily as a fixed

voltage regulator, this device can be used with external components to obtain adjustable voltages and

currents.

Features:

D Output Current in Excess of 1.0 Ampere

D No External Components Reguired

D Internal Thermal Overload Protection

D Internal Short–Circuit Current Limiting

D Output Transistor Safe–Area Compensation

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

Input Voltage, Vin . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35Vdc

Power Dissipation (TA = +25°C), PD . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Internally Limited

Derate above +25°C . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15.4mW/°C

Power Dissipation (TC = +25°C), PD . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Internally Limited

Derate above +75°C . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 200mW/°C

Thermal Resistance, Junction–to–Ambient, RthJA . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 65°C/W

Thermal Resistance, Junction–to–Case, RthJC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5°C/W

Operating Junction Temperature Range, TJ . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –55° to +150°C

Storage Junction Temperature Range, Tstg . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –65° to +150°C

Electrical Characteristics: (Vin = 14V, IO = 500mA, TJ = 0° to +125°C unless otherwise specified)

Parameter

Symbol

Test Conditions

Min Typ Max Unit

Output Voltage

Line Regulation

VO TJ = +25°C

7.7 8.0 8.3 V

5mA ≤ IO ≤ 1A, PO ≤ 15W, 10.5V ≤ Vin ≤ 23V 7.6 8.0 8.4 V

Regline TJ = +25°C, Note 1 10.5V ≤ Vin ≤ 25V

– 12 160 mV

11V ≤ Vin ≤ 17V

– 5 80 mV

Load Regulation

Regload TJ = +25°C, Note 1 5mA ≤ IO ≤ 1.5A

–

250mA ≤ IO ≤ 750mA –

45 160 mV

16 80 mV

Note 1. Load and line regulation are specified at constant junction temperature. Changes in VO due

to heating effects must be taken into account separately. Pulse testing with low duty cycle

is used.

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