Manufacturer Part Number
TPS79433DCQ
Manufacturer
Texas Instruments
Introduction
The TPS79433DCQ is a highly efficient, low dropout (LDO) linear voltage regulator ideally suited for power-sensitive applications, delivering a fixed output of 3.3V.
Product Features and Performance
Low dropout voltage of 0.2V at 250mA
Stable fixed output voltage of 3.3V
Supports up to 250mA output current
Quiescent current of 220 µA, optimizing battery life
PSRR of 65dB to 40dB across 100Hz to 100kHz, ensuring stable operation across frequencies
Enables power saving through an Enable control feature
SOT-223-6 package for surface mount technology
Product Advantages
High efficiency with low dropout makes it ideal for battery-operated devices
Improved power supply rejection ratio enhances device stability under varying conditions
Multiple protection features safeguard the device against abnormal conditions
Key Technical Parameters
Voltage Input (Max): 5.5V
Voltage Output (Min/Fixed): 3.3V
Current Output: 250mA
Current Quiescent (Iq): 220 µA
PSRR: 65dB ~ 40dB (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)
Compatibility
Compatible with a wide range of digital and analog ICs due to its 3.3V output
Application Areas
Ideal for portable devices, wireless communication equipment, and power-sensitive applications requiring efficient power management
Product Lifecycle
Classified as Last Time Buy, indicating a nearing end of life with considerations for replacements or upgrades needed
Several Key Reasons to Choose This Product
Enhanced battery life due to low quiescent current
Reliable operation across a wide range of frequencies and temperatures
Comprehensive protection features ensure device safety and longevity
Low dropout voltage facilitates efficient operation
Texas Instruments' reputation for high-quality and reliable power management solutions
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