Manufacturer Part Number
LM2940IMP-12
Manufacturer
Texas Instruments
Introduction
The LM2940IMP-12 is a fixed output, low dropout (LDO) regulator designed for power management in various electronic devices.
Product Features and Performance
Fixed 12V output voltage
Supports input voltage up to 26V
Low dropout voltage of 1V at 1A load
Maximum output current of 1A
Low quiescent current of 10 mA
Excellent power supply rejection ratio (PSRR) of 66dB at 120Hz
Operates across a temperature range of -40°C to 85°C
Product Advantages
High efficiency due to low dropout voltage
Stable output with excellent line and load regulation
Robust thermal and current management features including over current, over temperature, reverse polarity, and short circuit protection
Key Technical Parameters
Voltage - Input (Max): 26V
Voltage - Output (Min/Fixed): 12V
Voltage Dropout (Max): 1V @ 1A
Current - Output: 1A
Current - Quiescent (Iq): 10 mA
Current - Supply (Max): 15 mA
PSRR: 66dB (120Hz)
Quality and Safety Features
Over Current protection
Over Temperature protection
Reverse Polarity protection
Short Circuit protection
Compatibility
Compatible with surface mount technology for PCB assembly
Mounting Type: Surface Mount
Package / Case: TO-261-4, TO-261AA
Application Areas
Suitable for a variety of electronics that require stable and efficient voltage regulation
Product Lifecycle
Product Status: Obsolete
Potential need to explore alternative products or newer generations for long-term availability
Several Key Reasons to Choose This Product
Ideal for applications needing a stable 12V supply
Low dropout enhances efficiency in low voltage operations
Comprehensive protection ensures long-term reliability of the device and connected components
High PSRR minimizes noise influence from the power supply
Compact SOT-223-4 package suitable for densely packed PCBs