Manufacturer Part Number
REG103UA-3.3
Manufacturer
Texas Instruments
Introduction
The REG103UA-3.3 is a low dropout (LDO) regulator designed to deliver a fixed output of 3.3V with a maximum output current capability of 500mA. It is ideal for power-sensitive applications due to its low quiescent current and excellent power supply rejection ratio (PSRR).
Product Features and Performance
Fixed output voltage of 3.3V
Maximum output current of 500mA
Low dropout voltage of 0.28V at 500mA load
Low quiescent current of 0.7 mA, maximizing battery life
High PSRR of 65dB at 120Hz, ensuring stable output voltage under varying input conditions
Over current and over temperature protection for enhanced safety
Product Advantages
High efficiency in power conversion and regulation
Suitable for battery-operated devices due to low power consumption
Reliable performance in a wide operating temperature range of -40°C to 85°C
Key Technical Parameters
Voltage Input (Max): 15V
Voltage Output (Min/Fixed): 3.3V
Current Output: 500mA
Voltage Dropout (Max): 0.28V @ 500mA
Current Quiescent (Iq): 0.7 mA
PSRR: 65dB (120Hz)
Quality and Safety Features
Over Current Protection
Over Temperature Protection
Compatibility
Surface Mount 8-SOIC package compatible with common PCB design standards
Application Areas
Battery-powered devices
Portable electronics
Low power IoT devices
Microcontroller power supply
Product Lifecycle
Product Status: Last Time Buy
This announcement indicates that the REG103UA-3.3 is nearing discontinuation, urging users to consider planning for replacements or upgrades.
Several Key Reasons to Choose This Product
High efficiency and low dropout make it ideal for extending battery life in portable applications.
Built-in protection features ensure long-term reliability and safety of the end product.
Low quiescent current is particularly beneficial for power-sensitive applications.
The compact 8-SOIC package allows for easy integration into design projects.
Texas Instruments' reputation for quality and product support provides additional confidence in selecting this LDO regulator.
REG103UA-4Texas Instruments