LM1117MP-1.8 Texas Instruments Integrated Circuit (Other) In Stock
LM1117MP-1.8 is a 1.8V fixed output LDO linear voltage regulator delivering up to 800mA with only 1.2V typical dropout voltage. Features SOT-223 package, thermal shutdown, and current limiting protection. From $0.25, in stock worldwide shipping.
- Manufacturer
- Texas Instruments
- Package
- Other
- Pin Count
- 3
- Lifecycle
- OBSOLETE
- Datasheet
- LM1117MP-1.8 Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $0.2497(MOQ 1)
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- Fixed 1.8V output voltage with ±1% accuracy across load and temperature
- 800mA maximum output current with low 1.2V typical dropout voltage
- Built-in thermal shutdown and current limiting for robust protection
- Wide input voltage range 3.2V to 10V (20V absolute maximum)
- Compact SOT-223 package ideal for space-constrained designs
Applications
The LM1117MP-1.8 is widely used in portable electronics, embedded systems, and IoT devices requiring a stable 1.8V supply from higher voltage rails. It is commonly deployed to power microcontrollers, FPGAs, DSPs, and memory chips such as DDR/LPDDR where a 1.8V core or I/O voltage is required. Its low dropout characteristic makes it especially suitable for battery-powered applications where input-to-output voltage headroom is limited.
Specifications
| Pbfree Code | No |
| YTEOL | 0 |
| Adjustability | FIXED |
| Dropout Voltage1-Max | 1.3V |
| Dropout Voltage1-Nom | 1.2V |
| Input Voltage Absolute-Max | 20V |
| Input Voltage-Max | 10V |
| Input Voltage-Min | 3.2V |
| JESD-30 Code | R-PDSO-G4 |
| JESD-609 Code | e0 |
| Line Regulation-Max | 0.006% |
| Load Regulation-Max | 0.01% |
| Number of Functions | 1 |
| Number of Outputs | 1 |
| Operating Temperature TJ-Max | 125°C |
| Output Current1-Max | 0.8A |
| Output Voltage1-Max | 1.854V |
| Output Voltage1-Min | 1.746V |
| Output Voltage1-Nom | 1.8V |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | SOT-223 |
| Package Shape | RECTANGULAR |
| Package Style | SMALL OUTLINE |
| Packing Method | TR |
| Peak Reflow Temperature (Cel) | 260 |
| Qualification Status | Not Qualified |
| Regulator Type | FIXED POSITIVE SINGLE OUTPUT LDO REGULATOR |
| Surface Mount | YES |
| Technology | BIPOLAR |
| Terminal Finish | TIN LEAD |
| Terminal Form | GULL WING |
| Terminal Pitch | 2.3mm |
| Terminal Position | DUAL |
| Voltage Tolerance-Max | 3% |
| Package | Other |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| Moisture Sensitivity Level | MSL 1 |
| ECCN | EAR99 |
| HTS Code | 8542.39.00.60 |
Alternate & Equivalent Parts
Compatible alternatives and drop-in replacements for LM1117MP-1.8:
Regulator, 1.8V, 1.3V Dropout, BIPolar, PDSO4
Frequently Asked Questions
What is the output voltage and maximum output current of the LM1117MP-1.8?
The LM1117MP-1.8 provides a fixed 1.8V output with ±1% accuracy and can supply up to 800mA of continuous output current, making it suitable for powering processors, FPGAs, and memory devices in embedded designs.
What is the dropout voltage of the LM1117MP-1.8 and what minimum input voltage is required?
The LM1117MP-1.8 has a typical dropout voltage of 1.2V (1.3V maximum), so a minimum input voltage of 3.2V is required to maintain regulation. The device can accept input voltages up to 10V (20V absolute maximum).
What package does the LM1117MP-1.8 come in and what protection features does it include?
The LM1117MP-1.8 is available in a SOT-223 (4-pin) surface-mount package. It includes built-in thermal shutdown protection and internal current limiting, which help protect both the device and downstream circuits under fault conditions.
What are typical applications for the LM1117MP-1.8?
Typical applications include powering 1.8V I/O or core supply rails for microcontrollers, FPGAs, DSPs, and LPDDR memory in IoT devices, portable instruments, and embedded systems where a regulated 1.8V supply derived from a 3.3V or 5V rail is needed.
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| Qty. | Unit Price | Ext. Price |
|---|---|---|
| 1+ | $0.8400 | $0.84 |
| 100+ | $0.3920 | $39.20 |
| 511+ | $0.3500 | $178.85 |
| 745+ | $0.2700 | $201.15 |
| 965+ | $0.2599 | $250.80 |
| 1205+ | $0.2497 | $300.89 |
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