Onsemi Fixed 12V 1A Linear Voltage Regulator TO-220

Onsemi Fixed 12V 1A Linear Voltage Regulator delivers a stable 12 V output at up to 1.0 A from an input voltage range of 19 V to 35 V, providing a simple power solution where consistent voltage is critical.

Overview

This positive fixed-voltage linear regulator is a monolithic integrated circuit designed for a wide variety of local, on-card regulation applications. It is housed in a 3-pin TO-220 through-hole package, which is easy to mount and heatsink for optimal thermal performance.

Key Features

• Integrated protection with internal current limiting, thermal shutdown, and safe-area compensation for the output transistor
• No external components required for basic operation, simplifying design and reducing board space
• Low output resistance of 1.1 mΩ at 1 kHz
• Fixed 12 V regulator that can be configured with external components to provide adjustable output voltages and currents
• With adequate heat sinking, capable of delivering output currents exceeding 1.0 A

Specifications

• Output voltage: Fixed at 12 V nominal
• Input voltage range: 19 V to 35 V
• Maximum output current: 1 A
• Peak output current: 2.2 A (at 25°C)
• Short-circuit current limit: 0.2 A (at 25°C)
• Operating temperature range: -40°C to 125°C
• Package: 3-pin TO-220, through-hole mounting

Choose this regulator when you need a dependable fixed 12 V supply for on-card regulation, where stable output and built-in protection support reliable operation.