Manufacturer Part Number
TPS73718DRBT
Manufacturer
Texas Instruments
Introduction
The TPS73718DRBT is a low-dropout regulator (LDO) from Texas Instruments designed for power-sensitive applications.
Product Features and Performance
Low dropout: 0.5V @ 1A
Stable with low-ESR ceramic capacitors
Low quiescent current: 400 µA
Good power supply rejection ratio: 58dB ~ 37dB across 100Hz to 10kHz
Positive fixed output voltage of 1.8V
High efficiency for power conservation
Enable pin for power management
Product Advantages
High output current capability of 1A suitable for a variety of loads
Features thermal shutdown and overcurrent protection
Reverse polarity protection enhances safety
Suitable for battery-powered devices due to low quiescent current
Key Technical Parameters
Input Voltage (Max): 5.5V
Output Voltage (Fixed): 1.8V
Current - Output: 1A
Voltage Dropout (Max): 0.5V @ 1A
Current - Quiescent (Iq): 400 µA
Current - Supply (Max): 1.3 mA
PSRR: 58dB ~ 37dB (100Hz ~ 10kHz)
Quality and Safety Features
Over Current Protection
Over Temperature Protection
Reverse Polarity Protection
Compatibility
Compatible with various applications requiring a fixed 1.8V output voltage
Designed for surface mount technology (SMT) with an exposed pad for thermal performance
Application Areas
Battery-powered devices
Portable electronics
Wireless communication systems
Microprocessor/microcontroller power supply
Product Lifecycle
Product Status: Last Time Buy
Potential for planned obsolescence and the need to consider alternatives in future designs
Several Key Reasons to Choose This Product
High reliability and robustness for stringent applications
Designed for easy integration in modern PCB layouts
Optimized for battery-powered devices due to low quiescent current and high PSRR
Comprehensive protection features ensure long-term durability
Positive fixed output compatible with a range of digital ICs
Backed by Texas Instruments' reputation for quality power management solutions
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