LM1117S-ADJ/NOPBIn StockTexas Instruments
LM1117S-ADJ/NOPB is an 800-mA adjustable low-dropout linear voltage regulator from Texas Instruments. Features 1.2V typical dropout voltage, 2.6V to 15V input range, and built-in current limiting. Ideal for portable electronics and embedded systems. From $0.08, in stock, worldwide shipping.
- Manufacturer
- Texas Instruments
- Package
- TO-XXX (Inc. DPAK)
- Pin Count
- 4
- Lifecycle
- ACTIVE
- Datasheet
- LM1117S-ADJ/NOPB Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $0.0765(MOQ 1)
- Temp Range
- ?°C to 125.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- 800-mA output current capability with internal current limit protection
- Low 1.2V typical dropout voltage enabling efficient power conversion
- Adjustable output voltage with wide 2.6V–15V input voltage range
- Space-saving TO-263 (D2PAK) surface-mount package
- RoHS-compliant, Pb-free construction (NOPB designation)
Applications
The LM1117S-ADJ/NOPB is widely used in portable consumer electronics, embedded microcontroller boards, and battery-powered devices where efficient, low-noise linear regulation is required. Its adjustable output makes it suitable for powering FPGAs, DSPs, and analog circuits in industrial and telecom equipment. The compact surface-mount package fits naturally into space-constrained PCB designs for IoT modules and handheld instruments.
Specifications
| Pbfree Code | Yes |
| YTEOL | 15 |
| Adjustability | ADJUSTABLE |
| Dropout Voltage1-Max | 1.3V |
| 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-PSSO-G3 |
| JESD-609 Code | e3 |
| Line Regulation-Max (%/V) | 0.016 |
| Load Regulation-Max(%) | 0.4% |
| Number of Functions | 1 |
| Number of Outputs | 1 |
| Operating Temperature TJ-Max | 125°C |
| Output Current1-Max | 0.8A |
| Output Voltage1-Max | 13.8V |
| Output Voltage1-Min | 1.25V |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | SMSIP3H,.55TB |
| Package Shape | RECTANGULAR |
| Package Style | SMALL OUTLINE |
| Packing Method | TUBE |
| Peak Reflow Temperature (Cel) | 245 |
| 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 | 2.54mm |
| Terminal Position | SINGLE |
| Time@Peak Reflow Temperature-Max (s) | 30 |
| Voltage Tolerance-Max | 3% |
| Package | TO-XXX (Inc. DPAK) |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| Moisture Sensitivity Level | MSL 3 |
| ECCN | EAR99 |
| HTS Code | 8542.39.00.90 |
Alternate & Equivalent Parts
Compatible alternatives and drop-in replacements for LM1117S-ADJ/NOPB:
Regulator, 1.25V Min, 13.8V Max, 1.3V Dropout, BIPolar, PSSO3
Frequently Asked Questions
What is the output voltage range of the LM1117S-ADJ/NOPB?
The LM1117S-ADJ/NOPB features an adjustable output voltage. By selecting appropriate external resistors, the output can be set from approximately 1.25V up to 13.8V, while the input voltage range spans 2.6V to 15V with a maximum input-to-output differential of 13.75V.
What is the dropout voltage of the LM1117S-ADJ/NOPB?
The LM1117S-ADJ/NOPB has a typical dropout voltage of 1.2V and a maximum of 1.3V at full 800-mA load current. This low dropout characteristic makes it well suited for applications where input-output voltage headroom is limited, such as 3.3V regulation from a 5V rail.
What package does the LM1117S-ADJ/NOPB come in?
The LM1117S-ADJ/NOPB is housed in a 3-lead TO-263 (D2PAK) surface-mount package, offering excellent thermal performance on a PCB. The 'S' suffix in the part number denotes this package. It is RoHS-compliant and Pb-free as indicated by the NOPB suffix.
What are typical applications for the LM1117S-ADJ/NOPB?
Typical applications include post-regulation in switching power supplies, local voltage regulation for microcontrollers and FPGAs, battery-powered portable devices, and point-of-load regulators in industrial and telecom equipment. The adjustable output and 800-mA current rating cover a broad range of analog and digital power supply needs.
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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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