Manufacturer Part Number
TPS79318YZQR
Manufacturer
Texas Instruments
Introduction
The TPS79318YZQR is a low-dropout (LDO) linear voltage regulator designed for power-sensitive applications. It offers fixed output voltage during varying input voltage and load conditions.
Product Features and Performance
Fixed output voltage of 1.8V
Maximum input voltage of 5.5V
Output current capability of 200mA
Quiescent current of 220 µA
PSRR of 70dB at 100Hz decreasing to 43dB at 100kHz
Surface mount package type
Positive output configuration
Product Advantages
High PSRR enhances power stability
Very low quiescent current improves power efficiency
Over-current, over-temperature, reverse polarity, and under-voltage lockout enhances safety and reliability
Key Technical Parameters
Voltage Input (Max): 5.5V
Voltage Output (Min/Fixed): 1.8V
Current Output: 200mA
Current Quiescent (Iq): 220 µA
PSRR: 70dB ~ 43dB (100Hz ~ 100kHz)
Package / Case: 5-UFBGA, DSBGA
Quality and Safety Features
Over-current protection
Over-temperature protection
Reverse polarity protection
Under-voltage lockout (UVLO)
Compatibility
Compatible with a variety of applications requiring low power consumption and stable output
Application Areas
Power-sensitive applications in consumer electronics
Wearable devices
Healthcare equipment
Product Lifecycle
Status: Obsolete
Replacement or upgrade options should be confirmed with Texas Instruments
Several Key Reasons to Choose This Product
Exceptionally low quiescent current makes it suitable for battery-operated devices
Robust protection features ensure long-term reliability under various faults
Broad operating temperature range suitable for diverse environmental conditions
High PSRR provides stable output amidst fluctuations in input voltage or varying loads
Compact UFBGA package facilitates integration into space-constrained applications