Manufacturer Part Number
TPS79228DBVT
Manufacturer
Texas Instruments
Introduction
The TPS79228DBVT is a high-precision, low-dropout voltage regulator from Texas Instruments, designed for power-sensitive applications, offering a fixed output voltage of 2.8V and a maximum current output of 100mA.
Product Features and Performance
High PSRR of 70dB at 100Hz decreasing to 47dB at 100kHz
Low dropout voltage of 0.11V at 100mA load
Low quiescent current of 250µA, beneficial for battery-powered devices
Supports enable function for power saving
Offers protection from over-current, over-temperature, reverse polarity, and under-voltage lockout (UVLO)
Product Advantages
Excellent noise performance due to high PSRR, ideal for RF and analog circuits
Energy efficient with low Iq for extended battery life
Comprehensive protection features enhance circuit reliability
Enable feature allows flexible power management
Key Technical Parameters
Voltage - Input (Max): 5.5V
Voltage - Output (Min/Fixed): 2.8V
Current - Output: 100mA
Voltage Dropout (Max): 0.11V @ 100mA
PSRR: 70dB ~ 47dB (100Hz ~ 100kHz)
Operating Temperature: -40°C ~ 85°C
Quality and Safety Features
Over Current Protection
Over Temperature Protection
Reverse Polarity Protection
Under Voltage Lockout (UVLO)
Compatibility
Packaged in an SC-74A, SOT-753 (SOT-23-5) for surface mount applications
Application Areas
Ideal for precision, low-power applications
Suitable for RF and sensitive analog circuits
Useful in portable and battery-powered devices
Product Lifecycle
Product Status: Last Time Buy
Indicates nearing discontinuation with a call for final purchases, replacements or upgrades should be considered
Several Key Reasons to Choose This Product
High precision and stability suitable for sensitive applications
Low dropout enhances efficiency in low-voltage operations
Comprehensive protection features secure your design against various electrical anomalies
Energy-efficient design with low quiescent current prolongs battery life
Support for enable function offers versatile power management options
High PSRR minimizes noise, enhancing performance in RF and analog circuits
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