Manufacturer Part Number
TPS73218QDCQRQ1
Manufacturer
Texas Instruments
Introduction
Low Dropout Regulator designed for automotive applications
Product Features and Performance
Single positive output
Fixed output voltage of 1.8V
High PSRR of 58dB at 100Hz
Low dropout voltage of 0.15V at 250mA
Low quiescent current of 550 µA
Operational up to 125°C
Enable feature for power saving
Automotive grade reliability
Product Advantages
Optimized for low-voltage operation
High power supply rejection ratio ensures stability
Low quiescent current for power efficiency
Thermal and overcurrent protection for safety
Key Technical Parameters
Input Voltage (Max): 5.5V
Output Voltage: 1.8V
Output Current: 250mA
Dropout Voltage (Max): 0.15V @ 250mA
Current - Quiescent (Iq): 550 µA
PSRR: 58dB ~ 37dB (100Hz ~ 10kHz)
Quality and Safety Features
Overcurrent protection
Over-temperature protection
Short-circuit protection
Reverse polarity protection
AEC-Q100 qualification
Compatibility
Compatible with various automotive applications
Mounting Type: Surface Mount
Package / Case: SOT-223-6
Application Areas
Automotive electronics
Power supply for microcontrollers and sensors
Consumer electronics
Product Lifecycle
Status: Active
Product longevity ensured, not nearing discontinuation
Several Key Reasons to Choose This Product
Robust operation in extreme temperatures (-40°C ~ 125°C)
Highly stable output with excellent PSRR characteristics
Energy efficient with low Iq
Compliance with AEC-Q100 automotive standards
Comprehensive protection features enhance system safety
Readily available in Tape & Reel packaging for automated assembly
TPS73230DBVTexas Instruments