Manufacturer Part Number
TPS78418QWDRBRQ1
Manufacturer
texas-instruments
Introduction
The TPS78418QWDRBRQ1 is a high-performance, automotive-grade low dropout (LDO) voltage regulator designed for power-sensitive applications.
Product Features and Performance
Positive, fixed-output voltage regulator
Low dropout voltage of 0.14V at 300mA load
Stable output with 300mA current capacity
Low quiescent current of 40 µA enhancing energy efficiency
High PSRR of 60dB to 30dB from 1kHz to 1MHz ensuring clean voltage supply
Enable feature for power management flexibility
Overcurrent and overtemperature protection for safety and reliability
Operational over a wide temperature range from -40°C to 150°C
Product Advantages
Designed specifically for automotive applications
High reliability and performance under extreme conditions
Improved power efficiency, ideal for battery-operated systems
Enhanced safety features protect against system failures
Minimal dropout allows for better performance at low input voltages
Key Technical Parameters
Voltage Input (Max): 6V
Voltage Output (Min/Fixed): 1.8V
Current Output: 300mA
Voltage Dropout (Max): 0.14V @ 300mA
Current Quiescent (Iq): 40 µA
PSRR: 60dB ~ 30dB (1kHz ~ 1MHz)
Operating Temperature: -40°C ~ 150°C (TJ)
Quality and Safety Features
AEC-Q100 qualified for automotive applications
Built-in overcurrent and overtemperature protection
Compatibility
Compatible with a wide range of automotive electronics
Surface Mount, Wettable Flank mounting type for ease of assembly
Application Areas
Automotive power systems
Battery-powered electronics
Portable devices requiring efficient power management
Product Lifecycle
Status: Active
Not currently nearing discontinuation, with ongoing support and availability
Several Key Reasons to Choose This Product
Automotive-grade quality and reliability
Low dropout voltage enhances performance in low-input voltage scenarios
High PSRR ensures stable and clean power supply to sensitive circuits
Energy-efficient operation with low quiescent current
Comprehensive protection features safeguard against potential damage
Wide operating temperature range suitable for harsh environments
AEC-Q100 qualification demonstrates suitability for automotive applications
