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LM1117DT-ADJ
Linear Voltage Regulators with 1.25V~13.8V adjustable positive electrodeLM1117DT-ADJ
Linear Voltage Regulators with 1.25V~13.8V adjustable positive electrode
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Manufacturer Part # : LM1117DT-ADJ
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Package/Case: TO-252-3
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Brand: Texas Instruments
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Product Categories : Voltage Regulators - Linear, Low Drop Out (LDO) Regulators
Quality Assurance
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Certification
We have successfully obtained various certification standards and have established our own professional testing laboratory. This ensures that every product we supply to our customers meets the highest quality standards. We adhere to strict testing protocols to maintain the consistency and accuracy of our products. To ensure that our products are original and genuine, we also collaborate with reputable third-party testing facilities to conduct rigorous quality testing. Our commitment to quality extends to meeting industry, legal, regulatory, and ISO 9001:2015 requirements.
Shipping & Payment
Shipping & Payment
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Service & Packaging
Service & Packaging
About After Sales Service
All Parts Extended Quality Guarantee
Initiate the application within 90 days from the shipment date.
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LM1117DT-ADJ DataSheet
Pricing (USD)
| Quantity | Unit Price | Ext. Price |
|---|---|---|
| 1 | $0.576 | $0.58 |
| 200 | $0.222 | $44.40 |
| 500 | $0.214 | $107.00 |
| 1000 | $0.211 | $211.00 |
These prices are subject to market fluctuations, and a quote submission is required to obtain the latest prices.
Details
The LM1117DT-ADJ excels in delivering consistent voltage output, thanks to its low quiescent current of 5mA. This feature not only promotes energy efficiency but also helps in prolonging battery life in portable applications. Whether used in consumer electronics, industrial machinery, or automotive systems, this voltage regulator ensures reliable performance across different environments. The thermal shutdown and short-circuit protection further enhance the durability and safety of the regulator, providing peace of mind to designers and manufacturers
Key Features
- Safe operating area: up to 50A and 100°C junction temperature
- Thermal shutdown protection
- High current handling for demanding applications
Application
- Voltage monitoring circuits
- Audio amplifiers application
- LED drivers with LM1117DT-ADJ
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 | TO-252-3 |
| 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 | 0 C | Maximum Operating Temperature ! | + 125 C |
| Dropout Voltage ! | 1.2 V | Series | LM1117 |
| Brand | Texas Instruments | Dropout Voltage - Max | 1.2 V at 100 mA, 1.25 V at 500 mA, 1.3 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 | 75 |
| Subcategory | PMIC - Power Management ICs | Voltage Regulation Accuracy | 1 % |
| Unit Weight | 0.139332 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 LM1117DT-ADJ?
The LM1117DT-ADJ is a low dropout voltage regulator designed by Texas Instruments. It is an adjustable linear regulator that is capable of providing a stable output voltage with a dropout voltage as low as 1.2V. It is widely used in various electronic devices including computer peripherals, consumer electronics, and industrial equipment.
How Does LM1117DT-ADJ Work?
The LM1117DT-ADJ operates by regulating the input voltage to provide a stable and adjustable output voltage. It uses a series-pass PNP transistor as the output control device, allowing for a low dropout voltage. The regulator is available in different fixed output voltage versions as well as an adjustable version, offering flexibility in various voltage regulation applications.
How Many Pins does LM1117DT-ADJ have and What are the Functions of the Pinout Configuration?
The LM1117DT-ADJ is housed in a 8-lead SOIC (Small Outline Integrated Circuit) package. The pinout configuration includes:
- VIN: Input voltage pin.
- VOUT: Output voltage pin.
- ADJ: Adjustable pin for setting the output voltage in the adjustable version.
- GND: Ground pin.
- BYPASS: Bypass pin for connecting an external capacitor for improved transient response.
What are the Pros and Cons of LM1117DT-ADJ?
Pros:
- Low Dropout Voltage: Provides stable output voltage with a low dropout voltage, enabling regulation with small input-output differentials.
- Adjustable Output: The adjustable version offers the flexibility to set the output voltage to a desired value within a specified range.
- Thermal Shutdown: Includes a thermal shutdown feature to protect the device during over-temperature conditions.
- Protection Features: Offers protection against overcurrent and reversed battery conditions in some models.
Cons:
- Heat Dissipation: May require additional heat sinking or thermal considerations, especially in high current applications.
- External Capacitor: The adjustable version requires an external capacitor for stable operation, adding to the component count and board space.
Are There Any Equivalents/Alternatives to LM1117DT-ADJ for Recommendation?
- The LDO regulators such as the LM2937 from Texas Instruments and the MCP1703 from Microchip Technology are alternatives to the LM1117DT-ADJ.
- The LP2985 from Texas Instruments and the MAX8887 from Maxim Integrated are also potential equivalents to the LM1117DT-ADJ.
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