LM1117IMPX-ADJ
Low drop-out regulatorLM1117IMPX-ADJ
Low drop-out regulator
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Manufacturer Part # : LM1117IMPX-ADJ
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Package/Case: SOT223-3
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Brand: Texas Instruments
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Product Categories : Voltage Regulators - Linear, Low Drop Out (LDO) Regulators
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Service & Packaging
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LM1117IMPX-ADJ DataSheet
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Current price plan is under preparation. Please contact our customer service team for the latest pricing information. Thank you for your understanding and support!
Details
The LM1117IMPX-ADJ is an adjustable, low dropout voltage regulator that offers exceptional performance and versatility. Capable of providing up to 800 mA of output current, this regulator can be easily configured to deliver any desired output voltage between 1.25V and 13.8V using external resistors. Its wide input voltage range of 4.75V to 15V makes it suitable for a variety of applications, while its low dropout voltage of 1.2V at 800mA ensures reliable regulation even when the input voltage is in close proximity to the desired output voltage. Furthermore, the LM1117IMPX-ADJ features thermal shutdown and current limiting protection, providing added safety and stability under varying load conditions. With its small surface mount package, it can be effortlessly integrated into compact designs, making it an ideal choice for space-constrained electronic systems that require efficient voltage regulation
![LM1117IMPX-ADJ LM1117IMPX-ADJ](/files/uploads/product/b/6b6255d0-4e65-4944-65c7-08dbc6589f1f.webp)
Key Features
- Output Current up to 1 A
- Low Dropout Voltage ( 1.2V at 1A Output Current )
- Three Terminal Adjustable(ADJ) or Fixed 1.2V,1.5V, 1.8V, 2.5V,2.85V, 3.3V, 5.0V
- Line Regulaion typically at 0.1% max
- Load Regulaion typically at 0.2% max
- Internal Current and Terminal Protection
- Maximum Input Voltage - 15V
- Surface Mount Package SOT-223, TO-252, SOT-89
- 100% Thermal Limit Burn-In
Specifications
The followings are basic parameters of the part selected concerning the characteristics of the part and categories it belongs to.
Product Category ! | LDO Voltage Regulators | RoHS | N |
Mounting Style | SMD/SMT | Package / Case | SOT-223-4 |
Output Voltage | 1.25 V to 13.8 V | Output Current ! | 800 mA |
Number of Outputs | 1 Output | Polarity | Positive |
Input Voltage, Max | 15 V | Output Type | Adjustable |
Minimum Operating Temperature | - 40 C | Maximum Operating Temperature ! | + 125 C |
Dropout Voltage ! | 1.2 V | Series | LM1117 |
Brand | Texas Instruments | Dropout Voltage - Max | 1.3 V at 100 mA, 1.35 V at 500 mA, 1.4 V at 800 mA |
Ib - Input Bias Current | 5 mA | Line Regulation ! | 0.035 % |
Load Regulation ! | 0.2 % | Product Type ! | LDO Voltage Regulators |
Reference Voltage ! | 1.262 V | Factory Pack Quantity | 2000 |
Subcategory | PMIC - Power Management ICs | Voltage Regulation Accuracy | 1 % |
Unit Weight | 0.003951 oz |
Datasheet PDF
Datasheets record the features, absolute maximum ratings, applications and more of the device, which benefit a lot as an overall guide to the specific application of the part.
FAQs
What is LM1117IMPX-ADJ?
The LM1117IMPX-ADJ is a low dropout voltage regulator (LDO) manufactured by Texas Instruments. It is designed to provide a stable and regulated output voltage with a low dropout voltage, making it suitable for applications with tight voltage requirements, such as battery-powered devices, consumer electronics, and industrial control systems.
How Does LM1117IMPX-ADJ Work?
The LM1117IMPX-ADJ operates by comparing the output voltage to a reference voltage and adjusting the regulator to maintain a constant output voltage. It utilizes an internal PNP pass transistor to achieve low dropout voltage and provides a regulated output voltage with low ripple and noise for connected loads.
How Many Pins does LM1117IMPX-ADJ have and What are the Functions of the Pinout Configuration?
The LM1117IMPX-ADJ is available in a 5-pin SOT-223 package. The pinout configuration includes:
- VIN: Input voltage pin.
- VOUT: Regulated output voltage pin.
- ADJ: Adjust pin for setting the output voltage.
- GND: Ground pin.
- NC: No connect (no internal connection) pin.
What are the Pros and Cons of LM1117IMPX-ADJ?
Pros:
- Low Dropout Voltage: Provides a regulated output even with a small voltage difference between the input and output.
- Stable Output: Offers stable and low-noise output voltage, suitable for sensitive electronic components.
- Thermal Shutdown: Includes built-in thermal shutdown protection for overtemperature conditions.
- Short Circuit Protection: Features current limit and short circuit protection for enhanced reliability.
- Compact and Versatile: The SOT-223 package is space-efficient and suitable for various applications.
Cons:
- Heat Dissipation: May require heat sinking or thermal considerations for high current applications.
- Voltage Overhead: Has a voltage drop across the regulator, which needs to be considered for input voltage selection.
Are There Any Equivalents/Alternatives to LM1117IMPX-ADJ for Recommendation?
An equivalent part to the LM1117IMPX-ADJ is the MCP1700 from Microchip Technology. Alternatives to the LM1117IMPX-ADJ include the NCP1117 from ON Semiconductor and the L4931 from STMicroelectronics.
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