Manufacturer Part Number
REG1117FA-2.5/500
Manufacturer
Texas Instruments
Introduction
The REG1117FA-2.5/500 is part of Texas Instruments' power management category, specifically within the Low Drop Out (LDO) Regulators. It is designed for applications that require a fixed output voltage with a low dropout voltage and high current capacity.
Product Features and Performance
Positive output configuration with a fixed 2.5V output
Low dropout voltage of 1.55V at 1A load
Output current capacity of 1A
Quiescent current (Iq) of 10mA
Power Supply Rejection Ratio (PSRR) of 62dB at 120Hz
Over Current and Over Temperature protection features
Product Advantages
Suitable for high current applications due to 1A output capacity
Improved system reliability with built-in over current and over temperature protections
Low dropout voltage enhances efficiency in low-voltage operations
Reduced noise with good PSRR performance
Key Technical Parameters
Voltage Input (Max): 15V
Voltage Output (Min/Fixed): 2.5V
Current Output: 1A
Voltage Dropout (Max): 1.55V @ 1A
Current Quiescent (Iq): 10 mA
PSRR: 62dB (120Hz)
Quality and Safety Features
Over Current Protection
Over Temperature Protection
Compatibility
Surface Mount Mounting Type, compatible with automated PCB assembly processes
TO-263-4, D2PAK (3 Leads + Tab), TO-263AA package ensures compatibility with standard PCB layouts
Application Areas
Ideal for powering microprocessors, low-power ICs, and peripheral devices that require low dropout conditions and high current capabilities. Suitable in communications, portable devices, and anywhere stable low voltage power is needed.
Product Lifecycle
Status: Active
Not currently nearing discontinuation, and replacements or upgrades should be available for the foreseeable future.
Several Key Reasons to Choose This Product
High reliability and performance with Texas Instruments' manufacturing quality
Low dropout voltage facilitating efficient power usage
High current capacity suitable for demanding applications
Robust protection features ensuring long-term system reliability
Versatile application range from consumer electronics to industrial systems
Active product lifecycle status ensures ongoing support and availability