Manufacturer Part Number
TPS79418DCQR
Manufacturer
Texas Instruments
Introduction
TPS79418DCQR by Texas Instruments is a fixed output, low-dropout linear regulator.
Product Features and Performance
Low dropout voltage
Fixed output voltage of 1.8V
Single regulator design
Supports up to 250mA output current
Quiescent current of 220 µA
PSRR of 65dB to 40dB from 100Hz to 100kHz
Enable control feature
Surface mount SOT-223-6 package
Product Advantages
High power supply rejection ratio
Low quiescent current for power saving
Over current and over temperature protection
Reverse polarity protection
Under Voltage Lockout (UVLO) for safety
Operational over a wide temperature range (-40°C to 125°C)
Key Technical Parameters
Input Voltage (Max): 5.5V
Output Voltage (Min/Fixed): 1.8V
Output Current: 250mA
Quiescent Current (Iq): 220 µA
Power Supply Rejection Ratio (PSRR): 65dB ~ 40dB (100Hz ~ 100kHz)
Quality and Safety Features
Over Current Protection
Over Temperature Protection
Reverse Polarity Protection
Under Voltage Lockout (UVLO)
Compatibility
Suitable for surface mount technology with SOT-223-6 package
Application Areas
Suitable for various electronic applications requiring a stable 1.8V supply
Product Lifecycle
Obsolete
Potential for replacements or upgrades subject to Texas Instruments' recommendations
Several Key Reasons to Choose This Product
Optimized for stable, low voltage applications
Low dropout helps maintain regulation with low input-to-output voltage differential
High PSRR minimizes supply voltage fluctuations
Multiple built-in protection features enhance device safety and longevity
Wide operating temperature range suitable for many environments
