Manufacturer Part Number
TPS7A0518PDBVR
Manufacturer
Texas Instruments
Introduction
The TPS7A0518PDBVR from Texas Instruments is a low-dropout (LDO) linear voltage regulator designed for power management in various electronic devices, providing a fixed output voltage from a higher input voltage with high efficiency and precision.
Product Features and Performance
Fixed 1.8V output voltage with a maximum input of 5.5V
Low dropout voltage: 0.382V @ 200mA load
Low quiescent current: 3 µA, enhancing battery life in portable applications
PSRR: 40dB from 1kHz to 1MHz, ensuring stable output despite input voltage fluctuations
Current output capacity of 200mA, suitable for a wide range of applications
Enable pin for power saving and precise control
Product Advantages
High efficiency at low dropout voltages
Extended battery life due to extremely low quiescent current
Exceptional load and line regulation maintaining stable output
Compact SOT-23-5 package suitable for space-constrained applications
Key Technical Parameters
Voltage Input (Max): 5.5V
Voltage Output (Min/Fixed): 1.8V
Voltage Dropout (Max): 0.382V @ 200mA
Current Output: 200mA
Current Quiescent (Iq): 3 µA
PSRR: 40dB (1kHz ~ 1MHz)
Operating Temperature: -40°C ~ 125°C (TJ)
Quality and Safety Features
Over Current Protection
Over Temperature Protection
Under Voltage Lockout (UVLO) for safety and device protection
Compatibility
Compatible with a wide range of microcontrollers, sensors, and other digital ICs requiring a 1.8V supply
Surface Mount Technology (SMT) for PCB assembly
Application Areas
Portable and battery-powered devices
Microcontroller power supply
Analog and digital sensors
Consumer electronics
Product Lifecycle
Status: Active
Not nearing discontinuation with consistent manufacturing and support, ensuring availability for new designs and product maintenance
Several Key Reasons to Choose This Product
High power efficiency for extended battery life in portable applications
Low dropout voltage enables operation closer to the battery end-of-life
Ultra-low quiescent current minimizes power wastage when idle
High PSRR maintains stable output despite variations in input voltage
Compact package and surface mount compatibility facilitate use in space-constrained applications
Comprehensive protection features ensure long-term reliability and safety of end products
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