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LM317AEMP
IC REG LIN POS ADJ 1.5A SOT223-4
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- Mfr。パート #LM317AEMP
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365日の保証
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仕様
| Part Status | Obsolete |
| Base Product Number | LM317 |
| Output Configuration | Positive |
| Output Type | Adjustable |
| Number of Regulators | 1 |
| Voltage - Input (Max) | 40V |
| Voltage - Output (Min/Fixed) | 1.25V |
| Voltage - Output (Max) | 37V |
| Current - Output | 1.5A |
| Current - Quiescent (Iq) | 10 mA |
| PSRR | 80dB ~ 65dB (120Hz) |
| Protection Features | Over Current, Over Temperature, Short Circuit |
| Operating Temperature | -40°C ~ 125°C |
| Mounting Type | Surface Mount |
| Package | TO-261-4, TO-261AA |
| Supplier Device Package | SOT-223-4 |
| Packaging | Cut Tape (CT), Tape & Reel (TR) |
概要
Description
The LM317AEMP is a versatile, adjustable three-terminal voltage regulator designed to provide a stable output voltage from a higher input voltage. It is part of the LM317 family and is widely used in various electronic applications due to its ease of use, reliability, and flexibility. The device can output a voltage range from 1.25V to 37V at up to 1.5A of current, making it suitable for a wide range of power supply applications.
The LM317AEMP is equipped with features such as current limiting, thermal overload protection, and safe area compensation, which enhance its durability and operational safety. It requires only two external resistors to set the output voltage, simplifying circuit design and implementation. The device is typically packaged in a TO-220, TO-263, or SOT-223 package, which allows for efficient heat dissipation.
Overall, the LM317AEMP is a popular choice for powering digital and analog circuits, providing a regulated output with minimal external components. It is ideal for applications in consumer electronics, industrial equipment, and other areas requiring efficient voltage regulation.
The LM317AEMP is equipped with features such as current limiting, thermal overload protection, and safe area compensation, which enhance its durability and operational safety. It requires only two external resistors to set the output voltage, simplifying circuit design and implementation. The device is typically packaged in a TO-220, TO-263, or SOT-223 package, which allows for efficient heat dissipation.
Overall, the LM317AEMP is a popular choice for powering digital and analog circuits, providing a regulated output with minimal external components. It is ideal for applications in consumer electronics, industrial equipment, and other areas requiring efficient voltage regulation.
Features
The LM317AEMP is a versatile three-terminal adjustable voltage regulator designed for a variety of applications. Key features include:
1. Adjustable Output Voltage: It allows for output voltages ranging from 1.25V to 37V, making it suitable for a wide range of applications.
2. Output Current: Capable of delivering output currents up to 1.5A, depending on the input-output voltage differential.
3. Line Regulation: Provides excellent line regulation, typically 0.01%/V, which ensures stable performance even with varying input voltages.
4. Load Regulation: Offers load regulation of 0.1%, providing consistent output voltage despite changes in load current.
5. Thermal Overload Protection: Includes built-in protection against overheating, enhancing the reliability and longevity of the device.
6. Short-Circuit Protection: Equipped with current limiting features to protect against short-circuits.
7. Safe Operating Area Protection: Ensures the device operates safely within its specified limits.
8. Low Dropout Voltage: Features a dropout voltage of around 3V at maximum load, optimizing performance in low-voltage applications.
9. Package Options: Available in a variety of packaging options, including TO-220, TO-263, and SOT-223, to suit different application needs.
This combination of features makes the LM317AEMP a popular choice for power supply design and voltage regulation in electronic projects.
1. Adjustable Output Voltage: It allows for output voltages ranging from 1.25V to 37V, making it suitable for a wide range of applications.
2. Output Current: Capable of delivering output currents up to 1.5A, depending on the input-output voltage differential.
3. Line Regulation: Provides excellent line regulation, typically 0.01%/V, which ensures stable performance even with varying input voltages.
4. Load Regulation: Offers load regulation of 0.1%, providing consistent output voltage despite changes in load current.
5. Thermal Overload Protection: Includes built-in protection against overheating, enhancing the reliability and longevity of the device.
6. Short-Circuit Protection: Equipped with current limiting features to protect against short-circuits.
7. Safe Operating Area Protection: Ensures the device operates safely within its specified limits.
8. Low Dropout Voltage: Features a dropout voltage of around 3V at maximum load, optimizing performance in low-voltage applications.
9. Package Options: Available in a variety of packaging options, including TO-220, TO-263, and SOT-223, to suit different application needs.
This combination of features makes the LM317AEMP a popular choice for power supply design and voltage regulation in electronic projects.
Package
The LM317AEMP is a voltage regulator available in a surface-mount SOT-223 package. This package type is designed for compact, space-efficient applications, facilitating efficient heat dissipation and easy integration on printed circuit boards.
Pinout
The LM317AEMP is a voltage regulator IC with a 3-pin configuration. Its primary function is to provide an adjustable output voltage, making it versatile for various applications. The pins are:
1. Input (IN): This pin is where the unregulated voltage is applied.
2. Output (OUT): This pin provides the regulated output voltage. It is adjustable from 1.25V to 37V with the help of two external resistors.
3. Adjustment (ADJ): This pin is used to set the output voltage. By connecting resistors between the OUT and ADJ pins and from ADJ to ground, the output voltage can be precisely adjusted.
The LM317AEMP is designed for positive voltage regulation and is capable of delivering output currents in excess of 1.5A. Its compact, surface-mount package makes it suitable for various electronic devices and applications where space is a constraint.
1. Input (IN): This pin is where the unregulated voltage is applied.
2. Output (OUT): This pin provides the regulated output voltage. It is adjustable from 1.25V to 37V with the help of two external resistors.
3. Adjustment (ADJ): This pin is used to set the output voltage. By connecting resistors between the OUT and ADJ pins and from ADJ to ground, the output voltage can be precisely adjusted.
The LM317AEMP is designed for positive voltage regulation and is capable of delivering output currents in excess of 1.5A. Its compact, surface-mount package makes it suitable for various electronic devices and applications where space is a constraint.
Manufacturer
The LM317AEMP is manufactured by Texas Instruments. Texas Instruments (TI) is an American technology company known for designing and manufacturing semiconductors and various integrated circuits, which are used in a broad range of electronic devices. TI is one of the largest semiconductor companies in the world and serves industries such as automotive, industrial, consumer electronics, and communications. The company is headquartered in Dallas, Texas, and is known for its innovation and development in analog technology, embedded processing, and wireless technology.
Application
The LM317AEMP is a versatile, adjustable voltage regulator used in applications requiring stable voltage outputs. Key areas include power supply design, battery chargers, LED drivers, and general-purpose voltage regulation in consumer electronics, industrial equipment, and communication devices. Its ability to provide a wide range of output voltages makes it suitable for custom power solutions in embedded systems and prototype development.
Equivalent
The LM317AEMP is a voltage regulator. Equivalent products include the LM317 by other manufacturers like STMicroelectronics (L78xx series), ON Semiconductor (NCP317), and Texas Instruments (LM317 series). Each may have slight variations, so it's important to check datasheets for compatibility in terms of voltage range, current rating, and package type.
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出荷料参照(DHL/FedEx):
DHL の: 配送費は25ドル〜45ドル(0.5kg)の範囲で、推定配送時間は2〜5営業日です。
フェデックス: 配送費は25ドル〜40ドル(0.5kg)の範囲で、推定配送時間は3〜7営業日。
UPS の: 配送費は25ドル〜45ドル(0.5kg)の範囲で、推定配送時間は3〜7営業日。
TNT社: 配送費は25ドル〜65ドル(0.5kg)の範囲で、推定配送時間は3〜7営業日。
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