Manufacturer Part Number
TPS78518BQWDRBRQ1
Manufacturer
Texas Instruments
Introduction
Automotive grade low dropout (LDO) linear voltage regulator in SON-8 package
Product Features and Performance
LDO voltage regulator
Provides fixed 1.8V output
Maximum input voltage of 6V
Supports up to 1A output current
Low dropout voltage of 0.425V at 1A
Quiescent current of 40 µA
60dB to 30dB PSRR from 1kHz to 1MHz
Product Advantages
High PSRR for low noise applications
Low quiescent current for power saving
Thermal shutdown and over-current protection
Under-voltage lockout (UVLO) feature
Enable pin for power management
Key Technical Parameters
Number of Regulators: 1
Voltage - Input (Max): 6V
Voltage - Output (Min/Fixed): 1.8V
Current - Output: 1A
Voltage Dropout (Max): 0.425V @ 1A
PSRR: 60dB ~ 30dB (1kHz ~ 1MHz)
Operating Temperature: -40°C ~ 150°C (TJ)
Quality and Safety Features
AEC-Q100 qualified for automotive use
Over temperature protection
Current limit control
Over current protection
Compatibility
Surface mount device compatible with wettable flank soldering techniques
Designed for mounting on 8-VDFN exposed pad
Application Areas
Automotive electronics
Power supplies for sensors and MCUs
Industrial control systems
Smart home devices
Consumer electronics
Product Lifecycle
Active product status
Not indicated as nearing discontinuation
Several Key Reasons to Choose This Product
Robust power management for automotive applications
Low dropout for efficient operation
High thermal performance and reliability
Designed for demanding environments (-40°C ~ 150°C)
Meets AEC-Q100 automotive qualification standards
Compact package suitable for space-constrained applications
