LM1117IMP-3.3In StockTexas Instruments
LM1117IMP-3.3 is a 800mA fixed 3.3V LDO linear voltage regulator with 1.2V typical dropout voltage and up to 15V input range. From $0.123 in stock worldwide shipping.
- Manufacturer
- Texas Instruments
- Package
- Other
- Pin Count
- 3
- Lifecycle
- OBSOLETE
- Datasheet
- LM1117IMP-3.3 Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $0.1230(MOQ 1)
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- 800mA output current capacity for moderate-load embedded systems
- Low 1.2V typical dropout voltage enables efficient regulation from 4.75V input
- Fixed 3.3V output ideal for microcontroller and digital logic power rails
- Wide input voltage range up to 15V for flexible power supply designs
- SOT-223 compact package for space-constrained PCB layouts
Applications
The LM1117IMP-3.3 is widely used to power 3.3V microcontrollers, FPGAs, and digital logic circuits from higher-voltage sources such as 5V or 12V rails. It is commonly deployed in embedded systems, IoT devices, and consumer electronics where a stable low-dropout regulated supply is required. Its compact SOT-223 package and low external component count make it a preferred choice for space-constrained designs.
Specifications
| Pbfree Code | No |
| YTEOL | 0 |
| Adjustability | FIXED |
| Dropout Voltage1-Max | 1.4V |
| Dropout Voltage1-Nom | 1.2V |
| Input Voltage Absolute-Max | 20V |
| Input Voltage-Max | 15V |
| Input Voltage-Min | 4.75V |
| 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 |
| Operating Temperature TJ-Min | -40 °C |
| Output Current1-Max | 0.8A |
| Output Voltage1-Max | 3.432V |
| Output Voltage1-Min | 3.168V |
| Output Voltage1-Nom | 3.3V |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | SOT-223 |
| Package Shape | RECTANGULAR |
| Package Style | SMALL OUTLINE |
| 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 | 2.29mm |
| Terminal Position | DUAL |
| Voltage Tolerance-Max | 2% |
| ## LM1117IMP-3.3 Alternates Showing results | Image |
| 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 LM1117IMP-3.3:
Regulator, 3.3V, 1.3V Dropout, BIPolar, PDSO4
suggested
Fixed Positive LDO Regulator, 3.3V, 1.4V Dropout, BIPolar, PDSO4
Frequently Asked Questions
What is the maximum output current of the LM1117IMP-3.3?
The LM1117IMP-3.3 provides a maximum output current of 800mA, making it suitable for microcontrollers, sensors, and moderate-load digital circuits that require a stable 3.3V supply.
What input voltage range does the LM1117IMP-3.3 support?
The LM1117IMP-3.3 accepts an input voltage between 4.75V and 15V (absolute maximum 20V), allowing it to regulate from common 5V or 12V power sources down to a fixed 3.3V output.
What is the dropout voltage of the LM1117IMP-3.3?
The LM1117IMP-3.3 has a typical dropout voltage of 1.2V and a maximum of 1.4V at full load, so a minimum input of approximately 4.5V is needed to maintain the regulated 3.3V output.
What package does the LM1117IMP-3.3 come in and what are its typical applications?
The LM1117IMP-3.3 is available in a SOT-223 (R-PDSO-G4) surface-mount package. It is commonly used in IoT devices, embedded systems, portable electronics, and any application requiring a compact, low-dropout 3.3V regulator.
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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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|---|---|---|
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| 1505+ | $0.1330 | $200.17 |
| 1955+ | $0.1280 | $250.24 |
| 2440+ | $0.1230 | $300.12 |
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