NTE1903 查看數據表（PDF） - NTE Electronics

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NTE1903

Integrated Circuit Negative 3 Terminal Voltage Regulator, –12V, 100mA

NTE Electronics 

NTE1903

Integrated Circuit

Negative 3 Terminal Voltage Regulator,

–12V, 100mA

Description:

The NTE1903 is a negative 3–terminal voltage regulator in a TO92 type package suitable for numerous

applications requiring up to 100mA. This device features thermal shutdown and current limiting making

the NTE1903 remarkably rugged. In most applications, no external components are required for operation.

The NTE1903 is useful for on–card regulation or any other application where a regulated negative

voltage at a modest current level is needed. This device offers a substantial advantage over the com-

mon resistor/zener diode approach.

Features:

D Internal Short–Circuit Current Limiting

D Internal Thermal Overload Protection

D No External Components Required

Absolute Maximum Ratings:

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

Internal Power Dissipation (Note 1), PD . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Internally Limited

Operating Junction Temperature Range, Topr . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0° to +70°C

Maximum Junction Temperature, TJ . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . +125°C

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

Lead Temperature (During Soldering, 10sec), TL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . +300°C

Note 1. Thermal resistance, junction–to–ambient is 180°C/W when mounted with 0.4” leads on a PC

board and 160°C/W when mounted with .250” leads on a PC board.

Electrical Characteristics: (VI = –19V, IO = 40mA, CI = 0.33µF, CO = 0.1µF, 0° ≤ TJ ≤ +125°C,

Note 2 unless otherwise specified)

Parameter

Symbol

Test Conditions

Min Typ Max Unit

Output Voltage

VO TJ = +25°C

–11.5 –12.0 –12.5 V

–27V ≤ VI ≤ –14.8V, 1mA ≤ IO ≤ 100mA –11.4 –12.0 –12.6 V

Line Regulation

Regline TJ = +25°C, –27V ≤ VI ≤ –14.6V

–

–

45 mV

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