LM1117IMPX-ADJ/NOPBIn StockTexas Instruments
LM1117IMPX-ADJ/NOPB is an 800-mA adjustable low-dropout linear voltage regulator with 1.2V nominal dropout and up to 15V input. Ideal for portable devices and battery-powered systems. From $0.18 in stock with worldwide shipping.
- Manufacturer
- Texas Instruments
- Package
- SOT223 (3-Pin)
- Pin Count
- 3
- Lifecycle
- ACTIVE
- Datasheet
- LM1117IMPX-ADJ/NOPB Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $0.1782(MOQ 975)
- Temp Range
- -40.0°C to 125.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- 800-mA continuous output current with internal current limit protection
- Low 1.2V nominal dropout voltage enables efficient regulation in battery-powered designs
- Adjustable output voltage from 1.25V to 13.8V via two external resistors
- Wide input voltage range from 2.6V to 15V supports diverse power supply designs
- SOT-223 surface-mount package saves board space in compact designs
Applications
The LM1117IMPX-ADJ/NOPB is widely used in portable consumer electronics, embedded systems, and IoT devices where a stable adjustable voltage rail is needed from a higher input supply. It is well-suited for post-regulation after switching converters to reduce noise on sensitive analog or RF circuits. Its compact SOT-223 package and low dropout voltage make it a preferred choice in space-constrained, battery-powered applications such as wearables, handheld instruments, and development boards.
Specifications
| Pbfree Code | Yes |
| Reach Compliance Code | Compliant |
| YTEOL | 15 |
| Adjustability | ADJUSTABLE |
| Dropout Voltage1-Max | 1.4V |
| Dropout Voltage1-Nom | 1.2V |
| Input Voltage-Max | 15V |
| Input Voltage-Min | 2.6V |
| Input-Output Voltage Differential-Max | 13.75V |
| Input-Output Voltage Differential-Min | 1.5V |
| JESD-30 Code | R-PDSO-G4 |
| JESD-609 Code | e3 |
| Line Regulation-Max (%/V) | 0.025 |
| Load Regulation-Max(%) | 0.5% |
| Number of Functions | 1 |
| Number of Outputs | 1 |
| Operating Temperature TJ-Max | 125°C |
| Operating Temperature TJ-Min | -40 °C |
| Output Current1-Max | 0.8A |
| Output Voltage1-Max | 13.8V |
| Output Voltage1-Min | 1.25V |
| 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 | ADJUSTABLE POSITIVE SINGLE OUTPUT LDO REGULATOR |
| Surface Mount | YES |
| Technology | BIPOLAR |
| Terminal Finish | Matte Tin (Sn) |
| Terminal Form | GULL WING |
| Terminal Pitch | 2.3mm |
| Terminal Position | DUAL |
| Time@Peak Reflow Temperature-Max (s) | 30 |
| Voltage Tolerance-Max | 3% |
| Package | SOT223 (3-Pin) |
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 LM1117IMPX-ADJ/NOPB:
Regulator, 1.25V Min, 13.8V Max, 1.4V Dropout, BIPolar, PDSO4
Regulator, 1.25V Min, 13.8V Max, 1.3V Dropout, BIPolar, PDSO4
Regulator, 1.25V Min, 13.8V Max, 1.3V Dropout, BIPolar, PDSO4
Frequently Asked Questions
What is the output voltage range of the LM1117IMPX-ADJ/NOPB?
The LM1117IMPX-ADJ/NOPB supports an adjustable output voltage range from approximately 1.25V to 13.8V, set by two external resistors connected to the ADJ pin. The input voltage can range from 2.6V to 15V, with a maximum input-to-output differential of 13.75V.
What is the maximum output current of the LM1117IMPX-ADJ/NOPB?
The LM1117IMPX-ADJ/NOPB provides up to 800 mA of continuous output current. It includes an internal current limiting circuit that protects the device and downstream load during overload conditions, making it a reliable choice for moderate-current power rail designs.
What are typical applications for the LM1117IMPX-ADJ/NOPB?
This LDO regulator is commonly used in portable electronics, microcontroller power supplies, IoT devices, embedded systems, and post-regulation stages after DC-DC converters. Its adjustable output and low dropout voltage of 1.2V nominal make it versatile for a wide range of 5V and 3.3V system designs.
Is the LM1117IMPX-ADJ/NOPB RoHS compliant?
Yes, the LM1117IMPX-ADJ/NOPB is fully RoHS compliant and REACH compliant. The '/NOPB' suffix denotes a lead-free, halogen-free package, meeting modern environmental regulations for electronic components used in consumer and industrial products.
What package does the LM1117IMPX-ADJ/NOPB come in, and what are its thermal characteristics?
The LM1117IMPX-ADJ/NOPB is offered in a SOT-223 3-pin surface-mount package, which provides a large exposed pad for improved thermal dissipation. This package is suitable for automated PCB assembly and offers good heat spreading for up to 800 mA output current applications.
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About Texas Instruments
Texas Instruments (TI) is a global semiconductor company headquartered in Dallas, Texas. TI designs and manufactures analog and embedded processing chips used in industrial, automotive, consumer, communications, and enterprise systems.
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