Manufacturer Part Number
LD1117AS25TR
Manufacturer
STMicroelectronics
Introduction
The LD1117AS25TR is a low drop out (LDO) regulator designed to provide a regulated output voltage with a low dropout voltage for a wide range of applications.
Product Features and Performance
Positive output configuration with a fixed 2.5V output
Capable of supplying 1A of output current
Maximum input voltage of 15V
Low dropout voltage of 1.3V at 1A load
Power Supply Rejection Ratio (PSRR) of 80dB at 120Hz
Incorporates overcurrent and overtemperature protection
Product Advantages
High efficiency at full load due to low dropout voltage
Good noise rejection with high PSRR
Durable and reliable with built-in protection features
Supports a wide range of input voltages for versatile use
Key Technical Parameters
Voltage Input (Max): 15V
Voltage Output (Min/Fixed): 2.5V
Current Output: 1A
Dropout Voltage (Max): 1.3V @ 1A
Quiescent Current (Iq): 10 mA
Operating Temperature: 0°C ~ 125°C
Quality and Safety Features
Overcurrent protection prevents damage from excessive current
Overtemperature protection ensures safe operation under high temperatures
Compatibility
Available in a SOT-223 package for surface mount applications
Compatible with various circuits requiring a stable 2.5V supply
Application Areas
Power management in consumer electronics
Industrial control systems
Portable devices and battery-powered applications
Product Lifecycle
Marked as obsolete, indicating the product is nearing discontinuation
Potential for limited availability, with replacements or upgrades to be considered
Several Key Reasons to Choose This Product
Reliable voltage regulation with low dropout for efficient operation
Robust protection features ensure long-term reliability under various conditions
High PSRR enhances performance in noisy environments
Suitable for a wide range of applications due to compatibility and performance features
STMicroelectronics’ reputation for quality in semiconductor manufacturing
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