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LP3965EMP-ADJ
+NomenclatureIC REG LIN POS ADJ 1.5A SOT223-5
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FabricantTexas Instruments
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Pièce fabricant #LP3965EMP-ADJ
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En stock5142
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Spécifications
| Attribut | Valeur |
| Part Status | Obsolete |
| Base Product Number | LP3965 |
| Output Configuration | Positive |
| Output Type | Adjustable |
| Number of Regulators | 1 |
| Voltage - Input (Max) | 7V |
| Voltage - Output (Min/Fixed) | 1.216V |
| Voltage - Output (Max) | 5.1V |
| Voltage Dropout (Max) | 0.55V @ 1.5A |
| Current - Output | 1.5A |
| Current - Quiescent (Iq) | 9 mA |
| Current - Supply (Max) | 15 mA |
| PSRR | 60dB ~ 40dB (120Hz) |
| Control Features | Enable |
| Protection Features | Over Current, Over Temperature, Short Circuit |
| Operating Temperature | -40°C ~ 125°C |
| Mounting Type | Surface Mount |
| Package | TO-261-5, TO-261AB |
| Supplier Device Package | SOT-223-5 |
| Packaging | Bulk, Tape & Reel (TR) |
Présentation
Description
The LP3965EMP-ADJ is a low-dropout (LDO) voltage regulator designed for applications requiring efficient and stable voltage regulation. It is part of Texas Instruments' LP3965 series, known for its high performance, low dropout, and adjustable output. The "ADJ" designation indicates that this model allows users to adjust the output voltage to their specific needs using an external resistor divider network.
Key features of the LP3965EMP-ADJ include a low dropout voltage, which is beneficial for battery-powered devices, high accuracy of output voltage regulation, and a typical load regulation of 0.04%. It also includes built-in protection features like current limiting and thermal shutdown to prevent damage under fault conditions. The device comes in a small SOT-223 package, making it suitable for space-constrained applications like portable electronics, communication equipment, and industrial controls. Its high efficiency and low quiescent current make the LP3965EMP-ADJ an ideal choice for applications that prioritize energy conservation and reliability.
Key features of the LP3965EMP-ADJ include a low dropout voltage, which is beneficial for battery-powered devices, high accuracy of output voltage regulation, and a typical load regulation of 0.04%. It also includes built-in protection features like current limiting and thermal shutdown to prevent damage under fault conditions. The device comes in a small SOT-223 package, making it suitable for space-constrained applications like portable electronics, communication equipment, and industrial controls. Its high efficiency and low quiescent current make the LP3965EMP-ADJ an ideal choice for applications that prioritize energy conservation and reliability.
Equivalent
The LP3965EMP-ADJ is a low-dropout (LDO) linear voltage regulator. Equivalent products may include:
1. Texas Instruments LP38690 series - Offers similar adjustable output and performance.
2. Microchip MCP1825 series - Comparable LDO with adjustable output functionality.
3. ON Semiconductor NCP1117 series - Provides similar voltage regulation features.
4. STMicroelectronics LD1117 series - Offers similar specifications and adjustable output.
Ensure compatibility in parameters like output current, dropout voltage, and package type when substituting.
1. Texas Instruments LP38690 series - Offers similar adjustable output and performance.
2. Microchip MCP1825 series - Comparable LDO with adjustable output functionality.
3. ON Semiconductor NCP1117 series - Provides similar voltage regulation features.
4. STMicroelectronics LD1117 series - Offers similar specifications and adjustable output.
Ensure compatibility in parameters like output current, dropout voltage, and package type when substituting.
Features
The LP3965EMP-ADJ is a high-performance linear voltage regulator known for its adjustable output. Key features include:
1. Adjustable Output Voltage: It provides flexibility with an adjustable output voltage, which can be set via external resistors.
2. Low Dropout Voltage: Designed with low dropout voltage, it ensures efficient performance even at low input-output voltage differentials.
3. High Output Current: Capable of driving a current up to 1.5A, suitable for various power applications.
4. Fast Transient Response: Ensures stability and quick response to changes in load conditions, crucial for sensitive electronics.
5. Low Noise Output: Generates minimal output noise, making it suitable for noise-sensitive applications.
6. Protection Features: Includes thermal shutdown and current limiting for protection against overloading.
7. Package Options: Available in a thermally enhanced power package for improved heat dissipation.
This regulator is commonly used in applications requiring stable and efficient voltage regulation, such as microprocessor power supplies, battery-powered devices, and communication equipment.
1. Adjustable Output Voltage: It provides flexibility with an adjustable output voltage, which can be set via external resistors.
2. Low Dropout Voltage: Designed with low dropout voltage, it ensures efficient performance even at low input-output voltage differentials.
3. High Output Current: Capable of driving a current up to 1.5A, suitable for various power applications.
4. Fast Transient Response: Ensures stability and quick response to changes in load conditions, crucial for sensitive electronics.
5. Low Noise Output: Generates minimal output noise, making it suitable for noise-sensitive applications.
6. Protection Features: Includes thermal shutdown and current limiting for protection against overloading.
7. Package Options: Available in a thermally enhanced power package for improved heat dissipation.
This regulator is commonly used in applications requiring stable and efficient voltage regulation, such as microprocessor power supplies, battery-powered devices, and communication equipment.
Pinout
The LP3965EMP-ADJ is a low-dropout (LDO) linear voltage regulator. It typically features a 5-pin configuration in a SOT-223 or similar package. The pin functions are generally as follows:
1. VIN: This pin is for the input voltage, where the unregulated voltage is supplied to the regulator.
2. VOUT: This pin outputs the regulated voltage.
3. ADJ: The adjust pin is used for setting the output voltage. By connecting a resistor network between the ADJ pin and the VOUT pin, users can adjust the output voltage.
4. GND: The ground pin serves as the return path for input and output voltages.
5. NC (No Connect)/ENABLE: Sometimes, there might be an NC or an ENABLE pin that is used to enable or disable the device operation.
Please refer to the specific datasheet for the most accurate information as pin configuration can slightly differ depending on the manufacturer or specific variant.
1. VIN: This pin is for the input voltage, where the unregulated voltage is supplied to the regulator.
2. VOUT: This pin outputs the regulated voltage.
3. ADJ: The adjust pin is used for setting the output voltage. By connecting a resistor network between the ADJ pin and the VOUT pin, users can adjust the output voltage.
4. GND: The ground pin serves as the return path for input and output voltages.
5. NC (No Connect)/ENABLE: Sometimes, there might be an NC or an ENABLE pin that is used to enable or disable the device operation.
Please refer to the specific datasheet for the most accurate information as pin configuration can slightly differ depending on the manufacturer or specific variant.
Manufacturer
The LP3965EMP-ADJ is manufactured by Texas Instruments (TI). Texas Instruments is a global semiconductor company that designs and manufactures a broad range of analog and embedded processing chips. The company is renowned for its wide array of products, including integrated circuits and processors that are utilized in various electronics applications across multiple industries. TI is especially known for its contributions to the fields of analog electronics, digital signal processing, and power management technology.
Application
The LP3965EMP-ADJ is a low-dropout (LDO) voltage regulator with adjustable output, suitable for various applications. Its application areas include:
1. Mobile and Portable Devices: Provides stable voltage regulation for smartphones, tablets, and wearable electronics.
2. Consumer Electronics: Used in devices like digital cameras and MP3 players for efficient power management.
3. Telecommunications: Supports stable voltage supply in networking equipment.
4. Industrial Equipment: Offers reliable power for sensors and control systems.
5. Computer Peripherals: Ensures consistent power delivery in printers and external drives.
6. Automotive Systems: Used in infotainment and electronic control units.
Its low dropout, high accuracy, and low noise make it ideal for sensitive applications.
1. Mobile and Portable Devices: Provides stable voltage regulation for smartphones, tablets, and wearable electronics.
2. Consumer Electronics: Used in devices like digital cameras and MP3 players for efficient power management.
3. Telecommunications: Supports stable voltage supply in networking equipment.
4. Industrial Equipment: Offers reliable power for sensors and control systems.
5. Computer Peripherals: Ensures consistent power delivery in printers and external drives.
6. Automotive Systems: Used in infotainment and electronic control units.
Its low dropout, high accuracy, and low noise make it ideal for sensitive applications.
Package
The LP3965EMP-ADJ is a low-dropout linear regulator with an adjustable output voltage. It is packaged in an 8-pin Power MSOP (Mini Small Outline Package), which is designed for efficient thermal performance and compactness. This type of package is commonly used for applications where space is limited while requiring effective heat dissipation.
