Manufacturer Part Number
TPS78511QKVURQ1
Manufacturer
Texas Instruments
Introduction
The TPS78511QKVURQ1 is a low-dropout (LDO) linear regulator designed for automotive applications, providing a fixed output voltage with high efficiency and reliability.
Product Features and Performance
Single LDO regulator
Fixed output voltage configuration
Positive output configuration
Low dropout voltage: 0.915V max at 1A load
Output current capability: 1A
Excellent Power Supply Rejection Ratio (PSRR): 60dB at 1kHz to 30dB at 1MHz
Low quiescent current: 40 µA
Features enable control
Product Advantages
High thermal performance operating up to 150°C
Robust protection features including overcurrent and overtemperature protections
Automotive grade and AEC-Q100 qualified
Small footprint with TO-252-5 package
Key Technical Parameters
Max Input Voltage: 6V
Min/ Fixed Output Voltage: 1.1V
Output Current: 1A
Dropout Voltage: 0.915V @ 1A
Quiescent Current: 40 µA
PSRR: 60dB ~ 30dB (1kHz ~ 1MHz)
Quality and Safety Features
Overcurrent protection
Overtemperature protection
AEC-Q100 qualification for automotive standards
Compatibility
Surface mount type, compatible with automated assembly processes
Housed in TO-252-5 package suitable for compact designs
Application Areas
Automotive power systems
Electronic control units
Automotive sensor modules
Product Lifecycle
Status: Active
Not nearing discontinuation
Texas Instruments provides continuous product support and upgrade options
Several Key Reasons to Choose This Product
Specially designed for high temperature and rigorous automotive environments
Low dropout voltage ensures efficient operation even at lower input voltages
Minimal power loss due to low quiescent current, enhancing energy efficiency
High PSRR provides stable output despite variations in input voltage
Compact size and ease of design integration with surface mount packaging
Reliable with built-in safety features, essential for critical automotive applications
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