Manufacturer Part Number
LM2940CSX-9.0
Manufacturer
Texas Instruments
Introduction
The LM2940CSX-9.0 is a linear low-dropout (LDO) voltage regulator designed for power management applications requiring a fixed 9V output from an input up to 26V.
Product Features and Performance
Fixed 9V output with a maximum input of 26V
Maximum dropout voltage of 0.8V at 1A load
Output current capacity of 1A
Quiescent current of 10 mA
Supply current up to 15 mA
Power supply rejection ratio (PSRR) of 64dB at 120Hz
Product Advantages
Efficient regulation with low dropout
Protection against overcurrent, overtemperature, reverse polarity, and short circuit
Capable of operating in a wide temperature range of 0°C to 125°C
Key Technical Parameters
Input Voltage (Max): 26V
Output Voltage (Min/Fixed): 9V
Voltage Dropout (Max): 0.8V @ 1A
Output Current: 1A
Quiescent Current (Iq): 10 mA
Supply Current (Max): 15 mA
PSRR: 64dB (120Hz)
Quality and Safety Features
Protection from overcurrent, overtemperature, reverse polarity, and short circuits
Compatibility
Suitable for surface mount applications with a package type TO-263-4, D2PAK (3 Leads + Tab), TO-263AA
Application Areas
Ideal for power management in various electronic devices and equipment requiring stable 9V supply
Product Lifecycle
The product status is Obsolete, indicating that it may be nearing discontinuation with limited replacements or upgrades available.
Several Key Reasons to Choose This Product
Reliable fixed voltage output in low dropout conditions
Highly protected against common electrical faults
Suitable for harsh temperature environments
Low quiescent current enhancing energy efficiency
Broad compatibility with surface mount technology
