Manufacturer Part Number
LM140K-12
Manufacturer
Texas Instruments
Introduction
The LM140K-12 is a fixed output, high precision linear voltage regulator.
Product Features and Performance
Regulates output voltage at 12V
Supports up to 1A of output current
Low dropout voltage: 2V max at 1A
Power Supply Rejection Ratio (PSRR): 72dB at 120Hz
High reliability and stability
Product Advantages
Low quiescent current of 6 mA
Built-in over temperature protection
Short circuit protection feature
Wide operating temperature range: -55°C to 125°C
Key Technical Parameters
Input Voltage (Max): 35V
Output Voltage (Min/Fixed): 12V
Current - Output: 1A
Voltage Dropout (Max): 2V @ 1A
PSRR: 72dB (120Hz)
Quiescent Current (Iq): 6 mA
Number of Regulators: 1
Quality and Safety Features
Over Temperature Protection
Short Circuit Protection
Compatibility
Through-hole mounting type
Suitable for mounting in TO-205AD, TO-39-3 Metal Can package
Compatible with TO-3 device package
Application Areas
Power management for a variety of electronic applications
Ideal for robust industrial applications
Product Lifecycle
Active product status
Not reported to be near discontinuation
Options for replacements or upgrades not specified
Several Key Reasons to Choose This Product
Ensures a stable and regulated supply of 12V output
Support for high input voltage up to 35V
Robust thermal and electrical protection mechanisms
Exceptional performance at low dropout voltages
Industry-standard TO-3 package for easy integration
Highly suitable for demanding operating environments
Texas Instruments' reputation for quality and reliability
LM140H-15/883QSNS