Manufacturer Part Number
LM140K-15
Manufacturer
Texas Instruments
Introduction
An LDO regulator designed for power management applications
Product Features and Performance
Positive fixed output voltage regulator
Max input voltage of 35V
Fixed output voltage of 15V
Voltage dropout of 2V at 1A current load
Output current capability of 1A
Low quiescent current of 6 mA
Power Supply Rejection Ratio (PSRR) of 70dB at 120Hz
Product Advantages
High-reliability with operating temperature ranging from -55°C to 125°C
Short circuit and over-temperature protection for enhanced safety
Suitable for through-hole mounting and robust applications due to TO-3 package
Key Technical Parameters
Voltage - Input (Max): 35V
Voltage - Output (Min/Fixed): 15V
Current - Output: 1A
Voltage Dropout (Max): 2V @ 1A
Current - Quiescent (Iq): 6 mA
PSRR: 70dB (120Hz)
Operating Temperature: -55°C ~ 125°C
Quality and Safety Features
Over Temperature Protection
Short Circuit Protection
Robust TO-204AA, TO-3 package
Compatibility
Suitable for applications requiring up to 1A current
Compatible with through-hole mounting techniques
Application Areas
Power management in industrial systems
Automotive electronics
Telecommunications equipment
Consumer electronics
Aerospace and defense electronics
Product Lifecycle
Product status: Active
Not reported to be near discontinuation
Replacements or upgrades should be checked with the manufacturer
Several Key Reasons to Choose This Product
Durable and reliable performance from a trusted manufacturer
Capable of withstanding extreme temperature conditions
Built-in safety features to protect against common faults
High PSRR for better noise immunity
Low quiescent current beneficial for power-sensitive applications
Widely applicable across a range of industries
Long product lifecycle ensuring continuity for project designs
LM140K-5/883QNS