Manufacturer Part Number
TPS78418QDBVRQ1
Manufacturer
Texas Instruments
Introduction
The TPS78418QDBVRQ1 is a low-dropout (LDO) voltage regulator, specifically designed for automotive and power-sensitive applications requiring low power consumption and high voltage regulation accuracy.
Product Features and Performance
Low dropout voltage: 0.14V @ 300mA
Output voltage: 1.8V
Output current capability: 300mA
Low quiescent current: 30 µA
High PSRR: 60dB ~ 30dB from 1kHz to 1MHz
Supports enable function for power saving
Over-current and over-temperature protection
Wide operating temperature range: -40°C to 150°C
Product Advantages
High efficiency for battery-powered applications
Precise voltage regulation for sensitive electronics
Minimal power loss and heat generation
Enhances system reliability with built-in protection features
Suitable for harsh automotive environments
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): 30 µA
PSRR: 60dB ~ 30dB (1kHz ~ 1MHz)
Operating Temperature: -40°C ~ 150°C (TJ)
Quality and Safety Features
AEC-Q100 qualified for automotive applications
Over-current and over-temperature protection mechanisms
Compatibility
Surface Mount (SOT-23-5 package) for compact PCB layouts
Easily integrated into various automotive and industrial systems
Application Areas
Automotive electronics
Power management for battery-powered devices
Industrial and portable consumer electronics
Product Lifecycle
Active status, indicating ongoing production and support
Not nearing discontinuation, with replacements or upgrades not immediately necessary
Several Key Reasons to Choose This Product
High-efficiency LDO suitable for power-sensitive applications
Robust protection features ensuring device and system safety
Automotive grade qualification (AEC-Q100) for reliability
Low dropout voltage enhancing battery life
Wide operating temperature range suitable for automotive and industrial environments
TPS78430QWDRBRQ1Texas InstrumentsAUTOMOTIVE, 300-MA, LOW-IQ, HIGH