LM7812CT - onsemi

Manufacturer Part Number

LM7812CT

Manufacturer

onsemi

Introduction

LM7812CT is an obsolete voltage regulator designed for power management applications.

Product Features and Performance

Output Configuration: Positive

Output Type: Fixed

Number of Regulators: 1

Voltage - Input (Max): 35V

Voltage - Output (Min/Fixed): 12V

Current - Output: 1A

Voltage Dropout (Max): 2V @ 1A (Typical)

Current - Quiescent (Iq): 8 mA

PSRR: 71dB (120Hz)

Operating Temperature: -40°C ~ 125°C

Mounting Type: Through Hole

Package / Case: TO-220-3

Product Advantages

Offers a simple solution for voltage regulation

Provides thermal overload protection

Short circuit protection enhances safety

High ripple rejection ratio of 71dB at 120Hz

Key Technical Parameters

Input Voltage Maximum: 35V

Fixed Output Voltage: 12V

Maximum Output Current: 1A

Maximum Voltage Dropout: 2V @ 1A

Quiescent Current: 8 mA

Power Supply Rejection Ratio: 71dB (120Hz)

Quality and Safety Features

Over Temperature Protection

Short Circuit Protection

Compatibility

Mounting Type suitable for through-hole mounting

TO-220-3 package universally recognized in power circuits

Application Areas

Obsolete - use primarily in maintaining older systems

Product Lifecycle

Obsolete - Consider future-proof alternatives

Replacements or upgrades may be available

Several Key Reasons to Choose This Product

Ideal for legacy system maintenance with strict 12V requirements

Contains built-in safety features to protect components

High PSRR suitable for applications sensitive to power supply noise

Broad operating temperature range suitable for various environments