Manufacturer Part Number
TPS78511QWDRBRQ1
Manufacturer
Texas Instruments
Introduction
Automotive-grade low dropout linear voltage regulator
Product Features and Performance
Fixed 1.1V output voltage
Up to 1A output current
Low dropout voltage: 0.8V max at 1A
Power Supply Rejection Ratio (PSRR): 60dB to 30dB from 1kHz to 1MHz
Quiescent Current: 40 µA
Enable control feature for power saving
Thermal and overcurrent protection
Product Advantages
Highly stable output for sensitive loads
Energy-efficient operation due to low Iq
Robust protection features ensure reliability under stress
Automotive-grade quality and performance
Key Technical Parameters
Input Voltage (max): 6V
Output Voltage (fixed): 1.1V
Dropout Voltage (max): 0.8V @ 1A
Output Current: 1A
Quiescent Current (Iq): 40 µA
PSRR: 60dB to 30dB (1kHz to 1MHz)
Operating Temperature: -40°C to 150°C
Quality and Safety Features
Overcurrent protection
Overtemperature protection
AEC-Q100 qualification for automotive standards
Compatibility
Compatible with other passive and active electronic components in low voltage systems
Application Areas
Automotive electronics
Power management solutions where space and power efficiency are key
Product Lifecycle
Active status
Not reported as nearing discontinuation
Replacements or upgrades should be consulted from Texas Instruments product guides
Several Key Reasons to Choose This Product
Stringent automotive industry compliance (AEC-Q100)
High reliability in wide temperature range
Low quiescent current for power-sensitive applications
Built-in protection mechanisms for enhanced safety
Suitable for tight power budgets due to low dropout performance