Manufacturer Part Number
TPS73718DCQ
Manufacturer
Texas Instruments
Introduction
The TPS73718DCQ is a low dropout (LDO) linear regulator designed for power management, specifically targeting applications requiring low input voltage and low dropout voltage.
Product Features and Performance
Positive output configuration with fixed output type
Single regulator module
Maximum input voltage of 5.5V
Minimum (Fixed) output voltage of 1.8V
Maximum dropout voltage of 0.5V at 1A load
Output current capability of up to 1A
Quiescent current of 400 µA
Supply current max of 1.3 mA
Power Supply Rejection Ratio (PSRR) ranges from 58dB to 37dB between 100Hz to 10kHz
Control features include Enable function
Protection features consist of Over Current, Over Temperature, and Reverse Polarity
Operating temperature range from -40°C to 125°C
Product Advantages
High efficiency with low dropout voltage
Robust thermal and current regulation features ensuring device safety and reliability
Broad compatibility due to common SOT-223-6 packaging
Key Technical Parameters
Voltage Input (Max): 5.5V
Voltage Output (Min/Fixed): 1.8V
Voltage Dropout (Max): 0.5V @ 1A
Current Output: 1A
Quiescent Current (Iq): 400 µA
PSRR: 58dB ~ 37dB (100Hz ~ 10kHz)
Quality and Safety Features
Over Current Protection
Over Temperature Protection
Reverse Polarity Protection
Compatibility
Compatible with surface mount technology for PCB integration
Utilizes SOT-223-6 package compatible with standard mounting processes
Application Areas
Consumer Electronics
Industrial Power Supplies
Portable Devices
Product Lifecycle
Current Status: Active
Not nearing discontinuation and replacements or upgrades are available
Several Key Reasons to Choose This Product
Reliable low dropout performance suitable for sensitive electronics
Enhanced protection features maximize the safety of the application circuit
Texas Instruments' reputation for high-quality and durable products
Low quiescent current suitable for power-sensitive applications
Wide operating temperature range ensuring reliability in varied environmental conditions
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