Manufacturer Part Number
TPS78430QWDRBRQ1
Manufacturer
Texas Instruments
Introduction
The TPS78430QWDRBRQ1 is a high-performance, automotive-grade low dropout (LDO) regulator designed by Texas Instruments, tailored for efficient power management in vehicular and industrial applications.
Product Features and Performance
Fixed output voltage regulator with a 3V output.
Supports up to 6V input voltage.
Low dropout voltage of 0.115V at 300mA load.
Output current capability of 300mA.
Low quiescent current of 40 µA.
Provides excellent power supply rejection ratio (PSRR) of 60dB to 30dB over 1kHz to 1MHz frequencies.
Incorporates enable control for power optimization.
Features over current and over temperature protection for enhanced safety.
Product Advantages
High reliability and stability in regulating voltage.
Optimal for battery-powered devices due to low quiescent current.
Enhanced safety with built-in protection features.
Supports a wide range of operating temperatures, making it suitable for harsh environments.
Automotive-grade product, meeting AEC-Q100 standards.
Key Technical Parameters
Voltage Input (Max): 6V
Voltage Output (Min/Fixed): 3V
Current Output: 300mA
Voltage Dropout (Max): 0.115V @ 300mA
Current Quiescent (Iq): 40 µA
PSRR: 60dB ~ 30dB (1kHz ~ 1MHz)
Operating Temperature: -40°C ~ 150°C (TJ)
Quality and Safety Features
Over Current Protection
Over Temperature Protection
Automotive Grade: AEC-Q100 Qualified
Compatibility
Surface Mount, Wettable Flank for reliable soldering
Compatible with various automotive and industrial applications due to its robust package and wide temperature range.
Application Areas
Automotive electronics
Industrial controls
Portable devices
Power management solutions for battery-powered systems
Product Lifecycle
Status: Active
This product is currently active with no immediate plans for discontinuation, ensuring long-term availability and support for upgrades or replacements.
Several Key Reasons to Choose This Product
Highly reliable for automotive applications due to AEC-Q100 qualification.
Low dropout voltage enhances efficiency in low-voltage operations.
Extended operational temperature range suits various harsh environments.
Low Iq reduces energy consumption, extending battery life in portable devices.
Robust protection features safeguard against overcurrent and overheating, ensuring reliable and safe operation.
The fixed 3V output and high PSRR ensure stable voltage supply and noise reduction in sensitive applications.
TPS78450QWDRBRQ1Texas Instruments