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LM1117IMP-ADJ
This LDO regulator has a minimum output voltage of 1.25V and a maximum input voltage of 13.8V, making it ideal for a wide range of applicationsLM1117IMP-ADJ
This LDO regulator has a minimum output voltage of 1.25V and a maximum input voltage of 13.8V, making it ideal for a wide range of applications
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Manufacturer Part # : LM1117IMP-ADJ
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Package/Case: SOT223-4
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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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Series : LM1117
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LM1117IMP-ADJ DataSheet
Pricing (USD)
| Quantity | Unit Price | Ext. Price |
|---|---|---|
| 1 | $0.458 | $0.46 |
| 200 | $0.178 | $35.60 |
| 500 | $0.172 | $86.00 |
| 1000 | $0.169 | $169.00 |
These prices are subject to market fluctuations, and a quote submission is required to obtain the latest prices.
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LM1117IMP-ADJ Details
The LM1117IMP-ADJ is a low dropout voltage regulator from Texas Instruments, designed to provide a stable and adjustable output voltage with high efficiency. This regulator is capable of delivering up to 800mA of current, making it suitable for various applications including power management and voltage regulation in electronic circuits.
Pinout
- 1 (VOUT): Output Voltage
- 2 (GND): Ground
- 3 (ADJ): Adjustable Voltage
- 4 (VIN): Input Voltage
(Tip: For detailed pinout information, please refer to the corresponding datasheet.)
Key Features
- Low Dropout Voltage: Provides stable output voltage even when the input voltage is only slightly higher than the output voltage.
- Adjustable Output: Allows for precise adjustment of the output voltage to suit specific application requirements.
- Thermal Protection: Includes thermal shutdown and current limit protection for enhanced reliability.
- High Efficiency: Minimizes power dissipation and heat generation, ensuring efficient operation.
- Wide Input Voltage Range: Accepts a wide range of input voltages for versatile compatibility.
Application
- Power Management: Ideal for power supply and management applications in various electronic systems.
- Voltage Regulation: Used to regulate and stabilize voltage levels in circuits and devices.
- Battery-Powered Devices: Suitable for battery-powered devices requiring stable and efficient voltage regulation.
Where to Use
The LM1117IMP-ADJ is well-suited for applications that demand a stable and adjustable voltage supply, such as in power management, voltage regulation, and battery-powered devices. Its low dropout voltage and high efficiency make it an ideal choice for various electronic systems.
How to Use
Connect the LM1117IMP-ADJ to your circuit by wiring the VIN and GND pins to the input voltage source and ground, respectively. Adjust the output voltage using the ADJ pin to meet the specific requirements of your system. Ensure proper heat dissipation and thermal management for optimal performance. For detailed usage instructions, refer to the datasheet.
Application Circuit
The application circuit diagram for the LM1117IMP-ADJ demonstrates how to integrate the voltage regulator into your electronic system. It includes connections for input voltage, output voltage, and ground, ensuring proper voltage regulation and stability.
(Tip: For detailed circuit diagram connections and usage guide, refer to the datasheet.)
Equivalents
- LT1083: A similar adjustable voltage regulator with comparable features and performance.
- LM317: An alternative adjustable voltage regulator offering similar functionality and characteristics.
Complementary
The LM1117IMP-ADJ can be complemented by the LM1117IMP-5.0, which provides a fixed 5V output voltage for applications requiring a specific stable voltage level. When considering complementary voltage regulators, ensure compatibility with your system's requirements.
Frequently Asked Questions
Q: What is the maximum output current supported by the LM1117IMP-ADJ?
A: The LM1117IMP-ADJ can deliver up to 800mA of output current. For more details, refer to the datasheet for specific operating conditions and limitations.
Q: Can the LM1117IMP-ADJ be used in battery-operated devices?
A: Yes, the LM1117IMP-ADJ is suitable for battery-powered devices, providing stable and efficient voltage regulation for prolonged battery life and reliable operation.
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 | 1000 |
| 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 LM1117IMP-ADJ?
The LM1117IMP-ADJ is a low dropout voltage regulator designed by Texas Instruments. It is capable of providing a stable output voltage with minimal dropout, making it suitable for various applications including power supplies, battery chargers, and voltage regulators.
How Does LM1117IMP-ADJ Work?
The LM1117IMP-ADJ operates by regulating the input voltage to a stable output voltage, even when the input voltage varies. It utilizes a pass transistor to control the output voltage and maintain regulation. The low dropout characteristics allow the LM1117IMP-ADJ to operate efficiently even with small differences between the input and output voltages.
How Many Pins does LM1117IMP-ADJ have and What are the Functions of the Pinout Configuration?
The LM1117IMP-ADJ comes in a 8-pin surface-mount SOT-223 package. The pinout configuration includes:
- Vin: Input voltage pin.
- Vout: Output voltage pin.
- ADJ: Adjust pin for setting the output voltage.
- GND: Ground pin.
What are the Pros and Cons of LM1117IMP-ADJ?
Pros:
- Low Dropout Voltage: Maintains regulation even with small voltage differences between input and output.
- Stable Output: Provides a stable output voltage for reliable performance.
- Thermal Shutdown: Includes thermal shutdown protection for added safety.
- Compact Package: Comes in a space-saving SOT-223 package.
Cons:
- Heat Dissipation: May require additional heat sinking for higher current applications.
- Output Capacitor Requirement: Needs an output capacitor for stability.
Are There Any Equivalents/Alternatives to LM1117IMP-ADJ for Recommendation?
- The LM2937 from Texas Instruments is a similar low dropout regulator with different features.
- Alternatives to the LM1117IMP-ADJ include the MCP1703 from Microchip Technology and the LDO5000 from ON Semiconductor.
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