Manufacturer Part Number
LM1117MP-1.8
Manufacturer
Texas Instruments
Introduction
The LM1117MP-1.8 is a low dropout voltage regulator designed for power management purposes, particularly in applications requiring a stable 1.8V output from higher voltage sources up to 15V.
Product Features and Performance
Low dropout voltage of 1.2V at 800mA load, providing efficient use of power.
Output voltage fixed at 1.8V for specific applications requiring precise voltage regulation.
Supports up to 800mA output current, suitable for moderate power requirements.
Low quiescent current of 5 mA, enhancing energy efficiency in standby mode.
Excellent Power Supply Rejection Ratio (PSRR) of 75dB at 120Hz, minimizing noise from power supply fluctuations.
Over Current and Over Temperature protection features for safety and reliability.
Wide operating temperature range from 0°C to 125°C, suitable for various environmental conditions.
Product Advantages
High efficiency in power regulation with a low dropout voltage.
Embedded safety features ensure product reliability under adverse conditions.
Low standby power consumption enhances battery life in portable devices.
Key Technical Parameters
Input Voltage (Max): 15V
Fixed Output Voltage: 1.8V
Voltage Dropout (Max): 1.2V @ 800mA
Output Current: 800mA
Quiescent Current (Iq): 5 mA
Supply Current (Max): 10 mA
PSRR: 75dB (120Hz)
Quality and Safety Features
Over Current and Over Temperature protection mechanisms safeguard the device and connected components from damage.
Compatibility
Packaged in a SOT-223 (TO-261AA) footprint, making it compatible with various PCB designs.
Application Areas
Mobile phones, PDAs, and portable electronics requiring efficient power regulation.
Low-power, battery-operated devices needing extended battery life.
General-purpose 1.8V power supply applications.
Product Lifecycle
This product is Obsolete, meaning it may no longer be produced or supported, and availability may be limited.
Consider checking for newer replacements or upgrades.
Several Key Reasons to Choose This Product
High reliability and protection features extend the lifespan of both the regulator and application device.
Efficient power conversion with low dropout voltage reduces energy loss.
Texas Instruments' reputation for quality component manufacturing.
Versatile application range due to fixed 1.8V output and compatibility with a variety of circuits.
Essential for designs requiring precise voltage control with minimal power dissipation.