Manufacturer Part Number
TPS78425BQWDRBRQ1
Manufacturer
Texas Instruments
Introduction
The TPS78425BQWDRBRQ1 is an automotive-grade, low-dropout voltage regulator designed to deliver a fixed 2.5V output from a maximum input of 6V, with a current capacity of 300mA.
Product Features and Performance
Fixed 2.5V output voltage
Maximum input voltage of 6V
Output current up to 300mA
Dropout voltage of 0.32V at 300mA load
Power Supply Rejection Ratio (PSRR) of 60dB to 30dB across 1kHz to 1MHz
Current Limit, Enable control features
Surface Mount, Wettable Flank mounting type
Product Advantages
High-temperature operation up to 150°C
Enhanced power management with Current Limit and Enable control
Low quiescent current of 40µA, optimizing power usage
Key Technical Parameters
Input Voltage (Max): 6V
Output Voltage (Min/Fixed): 2.5V
Current Output: 300mA
Voltage Dropout (Max): 0.32V at 300mA
PSRR: 60dB ~ 30dB (1kHz to 1MHz)
Quality and Safety Features
Over Current and Over Temperature Protection
Under-Voltage Lock-Out (UVLO)
AEC-Q100 qualified for automotive applications
Compatibility
Compatible with various automotive and high-temperature applications due to its robust operating temperature range and power specifications
Application Areas
Automotive electronics
Power management applications requiring low dropout and fixed output
Devices operating in high-temperature environments
Product Lifecycle
Currently active and in production
No indication of nearing discontinuation
Latest updates and replacements available through Texas Instruments product line
Several Key Reasons to Choose This Product
Enables stable voltage regulation in demanding automotive environments
High PSRR, ensuring reliable performance against line and load changes
Comprehensive protection features enhancing device reliability and safety
Low quiescent current ideal for power-sensitive applications
Robust operating temperature range suitable for extreme conditions
