Manufacturer Part Number
TPS79918QDDCRQ1
Manufacturer
Texas Instruments
Introduction
TPS79918QDDCRQ1 is a low-dropout (LDO) linear voltage regulator optimized for power-sensitive applications.
Product Features and Performance
Positive output configuration
Fixed output type
Single regulator integration
Maximum input voltage of 6.5V
Minimum output voltage of 1.8V
Maximum voltage dropout of 0.18V at 200mA load
Output current capacity of 200mA
Low quiescent current of 60 µA
High PSRR: 70dB at 100Hz and 38dB at 100kHz
Includes enable control feature
Product Advantages
High stability and reliability in automotive applications
Low dropout voltage enhances efficiency
Low quiescent current ideal for power-sensitive applications
Robust against power variations due to high PSRR
Key Technical Parameters
Voltage Input (Max): 6.5V
Voltage Output (Min/Fixed): 1.8V
Current Output: 200mA
Current Quiescent (Iq): 60 µA
PSRR: 70dB ~ 38dB (100Hz ~ 100kHz)
Operating Temperature: -40°C ~ 125°C
Quality and Safety Features
Over Current Protection
Over Temperature Protection
Reverse Polarity Protection
Under Voltage Lockout (UVLO)
AEC-Q100 Qualified for automotive applications
Compatibility
Compatible with various microcontrollers and digital systems requiring 1.8V
Application Areas
Automotive electronics
Power management for battery-operated devices
Portable electronics
Industrial power supplies
Product Lifecycle
Status: Active
Not nearing discontinuation and replacements or upgrades currently not required
Several Key Reasons to Choose This Product
Automotive grade reliability and safety features
High efficiency due to low dropout voltage
Suitable for power-sensitive applications via low quiescent current
Wide operating temperature range fits various harsh environments
AEC-Q100 qualification ensures robust performance in automotive applications
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