Manufacturer Part Number
TPS73718DCQR
Manufacturer
Texas Instruments
Introduction
The TPS73718DCQR from Texas Instruments is a linear, low-dropout (LDO) voltage regulator, ideal for power-sensitive applications due to its low quiescent current and high PSRR.
Product Features and Performance
Fixed output voltage of 1.8V
Input voltage up to 5.5V
Maximum dropout voltage of 0.5V at 1A load
Output current capacity of 1A
Low quiescent current of 400 µA
High Power Supply Rejection Ratio (PSRR): 58dB ~ 37dB from 100Hz to 10kHz
Features enable control
Over current and over temperature protection
Reverse polarity protection
Product Advantages
High efficiency with low dropout voltage
Robust power supply rejection improves overall device performance
Low quiescent current extends battery life in portable devices
Comprehensive protection features enhance reliability and safety
Key Technical Parameters
Voltage Input (Max): 5.5V
Voltage Output (Min/Fixed): 1.8V
Current Output: 1A
Voltage Dropout (Max): 0.5V @ 1A
Current Quiescent (Iq): 400 µA
PSRR: 58dB ~ 37dB (100Hz ~ 10kHz)
Operating Temperature: -40°C ~ 125°C
Quality and Safety Features
Over Current Protection
Over Temperature Protection
Reverse Polarity Protection
Operating Temperature Range of -40°C to 125°C ensures stability across various environments
Compatibility
Compatible with a wide range of input voltages up to 5.5V
Surface mount SOT-223-6 package compatible with standard PCBs
Application Areas
Power management for battery-powered devices
Consumer electronics
Portable medical devices
Telecom infrastructure
Product Lifecycle
Currently in active production
Not nearing discontinuation and replacements or upgrades are readily available
Several Key Reasons to Choose This Product
High efficiency and low operational cost due to low dropout voltage and quiescent current
Robust against power supply variations ensuring stable operation in varying electrical environments
Enhanced safety features, prolonging product life and ensuring the safety of adjoining components
Suitable for compact, temperature-sensitive applications due to its small footprint and extensive operating temperature range
Reliable performance from a reputable manufacturer, Texas Instruments, ensuring long-term availability and support
