Manufacturer Part Number
TPS79133DBVRG4Q1
Manufacturer
Texas Instruments
Introduction
Automotive-grade LDO voltage regulator designed for power-sensitive applications
Product Features and Performance
Positive fixed output linear regulator
Single regulator output
Low dropout voltage: 0.9V @ 100mA
Current output capability: 100mA
Low quiescent current: 250 µA
High PSRR: 70dB ~ 37dB (range from 100Hz to 100kHz)
Enable control feature for low power operation
Product Advantages
Optimized for battery-powered devices
High-level of ripple rejection
Precision output voltage of 3.3V
Robust design for harsh automotive environments
Key Technical Parameters
Input voltage (max): 5.5V
Output voltage (min/fixed): 3.3V
Current - Output: 100mA
Voltage Dropout (Max): 0.9V @ 100mA
Quiescent Current: 250 µA
PSRR: 70dB to 37dB from 100Hz to 100kHz
Quality and Safety Features
Overcurrent protection
Overtemperature protection
Reverse polarity protection
Under Voltage Lockout (UVLO)
Compatibility
Surface mount compatible
SOT-23-5 package suitable for compact PCB layouts
Application Areas
Automotive electronics
Portable devices
Microcontroller power supply
Sensors and instrumentation
Product Lifecycle
Last Time Buy status indicating discontinuation
Alternatives or upgrades may be available
Several Key Reasons to Choose This Product
Automotive-grade reliability with AEC-Q100 qualification
Optimized for low power consumption with high PSRR and low Iq
Comprehensive protection features for enhanced safety
Suitable for a wide range of operating temperatures from -40°C to 125°C
Suitable for use in tight spaces with small form factor SOT-23-5 packaging
Supports design standards with Tape & Reel (TR) packaging for automated assembly processes