Manufacturer Part Number
LM2940S-5.0
Manufacturer
Texas Instruments
Introduction
The LM2940S-5.0 is a low-dropout (LDO) linear regulator designed to provide a fixed 5V output from an input of up to 26V. Ideal for stabilizing voltage in various electronic applications.
Product Features and Performance
Output voltage fixed at 5V
Maximum input voltage of 26V
Supports output currents up to 1A
Low dropout voltage of 1V at 1A load
Low quiescent current of 10 mA
High PSRR of 64dB at 120Hz
Product Advantages
Efficient voltage regulation with minimal power loss
Supports moderate-load conditions
Over current, over temperature, reverse polarity, and short circuit protection
Wide operating temperature range from -40°C to 125°C
Key Technical Parameters
Output Configuration: Positive
Voltage Input (Max): 26V
Voltage Output (Min/Fixed): 5V
Current Output: 1A
Voltage Dropout (Max): 1V @ 1A
Current Quiescent (Iq): 10 mA
PSRR: 64dB (120Hz)
Quality and Safety Features
Protection against overcurrent, overtemperature, reverse polarity, and short circuits
Compatibility
Surface mount package TO-263-4, D2PAK (3 Leads + Tab), TO-263AA suitable for various PCB designs
Application Areas
Consumer electronics
Automotive systems
Power management modules
Product Lifecycle
Status: Last Time Buy
Advise to purchase soon or consider alternatives for future designs
Several Key Reasons to Choose This Product
Reliable fixed voltage output for consistent performance
High efficiency with low dropout feature ideal for battery-operated devices
Robust safety features ensuring product longevity under various conditions
Suitable for harsh environments with a wide operating temperature range
Imminent discontinuation enhances the urgency to leverage existing stock or transition to newer alternatives effectively