Manufacturer Part Number
TPS78518QKVURQ1
Manufacturer
Texas Instruments
Introduction
The TPS78518QKVURQ1 is a linear, low dropout (LDO) voltage regulator designed for power management in automotive applications.
Product Features and Performance
Single output LDO regulator
Configured for a positive output
Fixed output voltage of 1.8V
Maximum input voltage of 6V
Dropout voltage of 0.54V at 1A load
Output current capacity of 1A
Low quiescent current of 40 µA
Power supply rejection ratio (PSRR) ranging from 60dB to 30dB across 1kHz to 1MHz frequencies
Control features include Enable function
Over Current and Over Temperature protection features
Product Advantages
High thermal performance operating from -40°C to 150°C
Suitable for stringent automotive applications (AEC-Q100 qualified)
Optimized power consumption with low quiescent current
Key Technical Parameters
Voltage Input (Max): 6V
Voltage Output (Min/Fixed): 1.8V
Voltage Dropout (Max): 0.54V @ 1A
Current Output: 1A
Current Quiescent (Iq): 40 µA
PSRR: 60dB ~ 30dB (1kHz ~ 1MHz)
Quality and Safety Features
Over Current Protection
Over Temperature Protection
Compatibility
Compatible with automotive electronic systems requiring 1.8V supply
Surface Mount via TO-252-5 package
Application Areas
Automotive power applications
Consumer electronics
Industrial power supplies
Product Lifecycle
Currently active product
Not nearing discontinuation
No immediate replacements or upgrades indicated
Several Key Reasons to Choose This Product
High reliability and performance in automotive applications
Wide operating temperature range suitable for harsh environments
Low dropout performance ideal for low voltage operations
Enhanced power efficiency with low quiescent current and high PSRR
Robust safety features ensuring product longevity and stability
