Manufacturer Part Number
LD1117V18
Manufacturer
stmicroelectronics
Introduction
The LD1117V18 is a low drop-out (LDO) linear voltage regulator, optimized for fixed output voltage and high current performance.
Product Features and Performance
Fixed output voltage of 1.8V
Maximum input voltage of 15V
Low dropout voltage of 1.2V at 800mA load
Output current capability of 800mA
Quiescent current of 10mA
Power supply rejection ratio (PSRR) of 75dB at 120Hz
Over current and over temperature protection
Product Advantages
High efficiency with low dropout voltage
Stable performance under varying input conditions and loads
Built-in protection features enhance reliability
Key Technical Parameters
Voltage Input (Max): 15V
Voltage Output (Min/Fixed): 1.8V
Current Output: 800mA
Voltage Dropout (Max): 1.2V @ 800mA
PSRR: 75dB at 120Hz
Operating Temperature: 0°C to 125°C
Quality and Safety Features
Over current protection
Over temperature protection
Compatibility
Through hole mounting compatible with TO-220-3 package
Application Areas
Power management for consumer electronics
Linear voltage regulation in embedded systems
Power supply for microcontrollers
Product Lifecycle
Status: Obsolete
Availability of replacements or upgrades should be checked with the manufacturer
Several Key Reasons to Choose This Product
Ideal for applications needing a stable 1.8V supply
High reliability due to built-in protective features
Suitable for a wide range of operating temperatures
Low quiescent current helps in power-sensitive applications
Enhanced PSRR ensures stable output against fluctuations in input