Manufacturer Part Number
LD1117AS18TR
Manufacturer
stmicroelectronics
Introduction
Low Drop Out Voltage Regulator for power management applications.
Product Features and Performance
Positive Output Configuration
Fixed Output Type
Supports single regulator configurations
Input Voltage up to 15V
Fixed 1.8V Output Voltage
Maximum 1.3V Voltage Dropout at 1A load
Output Current of 1A
Quiescent Current of 10 mA
Power Supply Rejection Ratio of 80dB at 120Hz
Product Advantages
High efficiency due to low dropout voltage
Stable output voltage with minimal external components
Low quiescent current for power saving
High PSRR for noise suppression
Key Technical Parameters
1A Maximum Output Current
15V Maximum Input Voltage
8V Fixed Output Voltage
3V Maximum Voltage Dropout at full load
10 mA Quiescent Current
Quality and Safety Features
Protection against Over Current conditions
Over Temperature protection for device safety
Compatibility
Compatible with a wide range of input voltages
Surface Mount in a SOT-223 package for compatibility with standard PCB designs
Application Areas
Consumer Electronics
Telecommunication Circuits
Computer Systems
Portable Devices
Product Lifecycle
Active Product Status indicating current production and availability
Not indicated as nearing discontinuation
Availability of replacements or upgrades not specified
Several Key Reasons to Choose This Product
Highly reliable voltage regulation from a reputable manufacturer
Broad application suitability due to stable output and robust protection features
Convenient Surface Mount SOT-223 package for modern PCB designs
Active product support and availability ensure long-term usability
Strong Power Supply Rejection Ratio offers excellent noise immunity for sensitive circuits
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