LM1117MPX in LM1117 / LD1117 LDO Family
The LM1117MPX series by Texas Instruments is a versatile family of low-dropout linear regulators (LDOs) designed to provide up to 800mA of output current. Characterized by a typical dropout voltage of 1.2V at full load, these components are staples in power management for converting higher voltage rails to stable logic-level outputs. They are widely utilized in industrial and consumer electronics due to their simplicity, integrated current limiting, and thermal overload protection features, ensuring robust operation in various environmental conditions.
Variants in This Sub-Family
Comparing specs that differ across variants.
| Part Number | Output V | Stock |
|---|---|---|
| LM1117MPX-5.0/NOPB (Texas Instruments) | 5V | 2,995 |
| LM1117MPX-1.8/NOPB (Texas Instruments) | 1.8V | 2,787 |
Variants within the LM1117MPX sub-family are distinguished primarily by their output voltage settings and voltage accuracy. While the core SOT-223 package and 800mA current rating remain constant, engineers can select between fixed output versions—such as 1.8V, 3.3V, or 5.0V—and an adjustable version that utilizes an external resistor divider. Additionally, NOPB suffixes indicate lead-free packaging in compliance with environmental standards, while internal trimming ensures tight output tolerances across temperature ranges.
