Manufacturer Part Number
TPS79147DBVR
Manufacturer
Texas Instruments
Introduction
A high-performance, low dropout (LDO) voltage regulator designed for power-sensitive applications.
Product Features and Performance
Low dropout voltage of 0.7V at 100mA load
Output voltage fixed at 4.7V
Supports input voltage up to 5.5V
Quiescent current at 250 µA, optimizing battery life
High PSRR of 70dB at 100Hz decreasing to 37dB at 100kHz, improving noise immunity
Features overcurrent protection, overtemperature protection, reverse polarity protection, and under-voltage lockout (UVLO) for enhanced safety
Enable control feature allows power management flexibility
Product Advantages
Ideal for battery-powered applications due to low quiescent current
High PSRR enhances performance in noisy environments
Comprehensive protection features ensure reliability and safety under various conditions
Key Technical Parameters
Voltage Input (Max): 5.5V
Voltage Output (Min/Fixed): 4.7V
Current Output: 100mA
Voltage Dropout (Max): 0.7V @ 100mA
Current Quiescent (Iq): 250 µA
PSRR: 70dB ~ 37dB (100Hz ~ 100kHz)
Operating Temperature: -40°C ~ 85°C
Quality and Safety Features
Overcurrent, overtemperature, reverse polarity, and UVLO protections
Compatibility
Surface mount technology, compatible with SC-74A, SOT-753 package
Application Areas
Battery-powered devices, IoT devices, portable electronics, medical devices, and any application requiring efficient power management
Product Lifecycle
Marked as Last Time Buy, indicating the product is nearing discontinuation with recommendations for finding replacements or upgrades
Several Key Reasons to Choose This Product
Low dropout suitable for low-power operations
High PSRR for noise sensitive applications
Comprehensive built-in safety features provide high reliability
Low quiescent current aids in extending battery life
Texas Instruments' support and reliability
TPS79147Texas Instruments