Texas Instruments 7812 Linear Voltage Regulator 12V 100mA TO-92-3

The Texas Instruments 7812 Linear Voltage Regulator is a fixed 12V positive regulator with a maximum output current of 100mA, supplied in a compact TO-92-3 through-hole package.

Overview

This 3-terminal regulator is designed to deliver a stable power supply across a range of electronic applications. It is presented as a replacement for Zener diode and resistor combinations, offering improved output impedance and lower quiescent current.

Key Features

• Fixed 12V output voltage
• Maximum output current of 100mA
• Input voltage range of 13.7V to 35V
• Built-in current limiting
• Safe area protection for output transistors to limit internal power dissipation
• Thermal shutdown circuit to protect against excessive internal temperature
• Output voltage tolerance of ±5% over the full temperature range

Applications and Performance

The regulator is suited to local on-card regulation, helping to avoid distribution issues associated with single-point power supplies. It operates across a temperature range of -40°C to 125°C and can be used in power management systems, industrial control systems, industrial equipment and custom electronics projects.

Dimensions and Package

The device comes in a TO-92-3 package with through-hole mounting, supporting straightforward integration onto printed circuit boards. Listed dimensions are a width of 3.3, a depth of 1.5 and a height of 4.3, with a weight of 0.267 gm.

Environmental Compliance

The regulator is a green product with no antimony (Sb) or bromine (Br).

Selecting the Texas Instruments 7812 Linear Voltage Regulator provides a fixed 12V supply rated for up to 100mA, with a wide input range of 13.7V to 35V for flexible system design.