Manufacturer Part Number
TPS73618DCQ
Manufacturer
Texas Instruments
Introduction
The TPS73618DCQ is a low-dropout (LDO) linear voltage regulator designed for power-sensitive applications, offering a fixed output voltage of 1.8V with a capability to supply up to 400mA of output current.
Product Features and Performance
Fixed 1.8V output voltage
Low dropout voltage of 0.2V @ 400mA load
Current output capability of 400mA
Low quiescent current of 550 µA
High PSRR: 58dB ~ 37dB from 100Hz to 10kHz ensuring stable output under different load conditions
Wide input voltage range up to 5.5V
Over current and over temperature protection for device safety
Reverse polarity protection to prevent damage from incorrect power supply connection
Enable control feature for power saving
Product Advantages
High efficiency with low dropout voltage
Robust protection features for increased safety
Low quiescent current enhances battery life in portable applications
Stable performance across a wide range of input voltages and load conditions
Key Technical Parameters
Voltage Input (Max): 5.5V
Voltage Output (Min/Fixed): 1.8V
Voltage Dropout (Max): 0.2V @ 400mA
Current Output: 400mA
Current Quiescent (Iq): 550 µA
PSRR: 58dB ~ 37dB (100Hz ~ 10kHz)
Operating Temperature: -40°C ~ 125°C
Quality and Safety Features
Integrated protection against over current and over temperature
Reverse polarity protection
Compatibility
Suitable for a wide range of applications due to its wide input voltage range and low output voltage
Surface mount SOT-223-6 package compatible with standard PCB assembly processes
Application Areas
Battery-powered devices
Portable electronics
Microcontrollers and digital systems requiring a stable 1.8V supply
Low-power IoT devices
Product Lifecycle
This product is marked as obsolete, indicating it is no longer in production
Users may need to look for replacements or upgrades for new designs
Several Key Reasons to Choose This Product
Texas Instruments' reputation for high-quality and reliable products
Low dropout voltage improves efficiency in power-sensitive applications
Comprehensive protection features ensure longevity and safety of the connected load
The enable control feature allows for further power savings, making it ideal for battery-operated devices
Despite its obsolescence, its performance and compatibility make it a solid choice for existing designs requiring minimal power consumption and stable voltage supply
TPS73618DBVTexas Instruments