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LM1085IS-ADJ
+StücklisteIC REG LIN POS ADJ 3A DDPAK
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HerstellerTexas Instruments
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Herstellerteil #LM1085IS-ADJ
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Paket TO-263 (KTT)-3
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Auf Lager2607
365 Tage Qualitätsgarantie
7*24 Stunden-Servicegarantie
90-Tage Kundendienstgarantie
Originalproduktgarantie
Spezifikationen
| Attribut | Wert |
| Package | Bulk,Tube |
| ProductStatus | Not For New Designs |
| OutputConfiguration | Positive |
| OutputType | Adjustable |
| NumberofRegulators | 1 |
| Voltage-Input(Max) | 29V |
| Voltage-Output(Min/Fixed) | 1.25V |
| Voltage-Output(Max) | 15V |
| VoltageDropout(Max) | 1.5V @ 3A |
| Current-Output | 3A |
| Current-Quiescent(Iq) | 10 mA |
| PSRR | 75dB (120Hz) |
| ProtectionFeatures | Over Current, Over Temperature |
| OperatingTemperature | -40°C ~ 125°C (TJ) |
| MountingType | Surface Mount |
| Package/Case | TO-263-4, D²Pak (3 Leads + Tab), TO-263AA |
Übersicht
Description
The LM1085IS-ADJ is a low dropout (LDO) linear voltage regulator designed by Texas Instruments. It is part of the LM1085 series, which offers a high-current output capability of up to 3A. The "ADJ" in its name indicates that it features an adjustable output voltage, which can be set via external resistors, typically ranging from 1.25V to 13.8V.
The device is designed for efficiency, with a dropout voltage of approximately 1.5V at full load, making it suitable for applications requiring low voltage differences between input and output. It also includes features such as internal current limiting, thermal shutdown, and safe operating area protection to enhance reliability and safety.
The LM1085IS-ADJ typically comes in a TO-220 or TO-263 package, which provides ease of mounting and effective heat dissipation. It is commonly used in applications like powering microprocessors, high-efficiency linear power supplies, and post-regulation for switching supplies. Its combination of adjustability, high current capacity, and protection features make it a versatile choice for various electronics projects.
The device is designed for efficiency, with a dropout voltage of approximately 1.5V at full load, making it suitable for applications requiring low voltage differences between input and output. It also includes features such as internal current limiting, thermal shutdown, and safe operating area protection to enhance reliability and safety.
The LM1085IS-ADJ typically comes in a TO-220 or TO-263 package, which provides ease of mounting and effective heat dissipation. It is commonly used in applications like powering microprocessors, high-efficiency linear power supplies, and post-regulation for switching supplies. Its combination of adjustability, high current capacity, and protection features make it a versatile choice for various electronics projects.
Equivalent
The LM1085IS-ADJ is a low dropout (LDO) adjustable voltage regulator. Equivalent products include:
1. LD1085V from STMicroelectronics
2. LT1085 from Analog Devices
3. MIC39100 from Microchip Technology
4. BA50DD0T from ROHM
5. TPS7A4700 from Texas Instruments
These alternatives offer similar functionality but always check the datasheets for specific electrical characteristics to ensure compatibility.
1. LD1085V from STMicroelectronics
2. LT1085 from Analog Devices
3. MIC39100 from Microchip Technology
4. BA50DD0T from ROHM
5. TPS7A4700 from Texas Instruments
These alternatives offer similar functionality but always check the datasheets for specific electrical characteristics to ensure compatibility.
Features
The LM1085IS-ADJ is a low dropout voltage regulator designed to provide a high output current while maintaining a low differential between input and output voltages. Key features include:
1. Adjustable Output: The output voltage can be adjusted using external resistors, making it versatile for various applications.
2. High Output Current: It supports up to 3A output current, catering to high-power requirements.
3. Low Dropout Voltage: Offers a dropout voltage of 1.5V at full load, enhancing efficiency, especially in battery-powered applications.
4. Thermal Protection: Includes thermal shutdown circuitry to prevent damage from overheating.
5. Current Limiting: Built-in current limiting protects the device and load from overcurrent conditions.
6. Fast Transient Response: Capable of responding quickly to changes in load or input voltage to maintain stable output.
These features make the LM1085IS-ADJ suitable for applications requiring efficient power management with flexibility in output voltage settings.
1. Adjustable Output: The output voltage can be adjusted using external resistors, making it versatile for various applications.
2. High Output Current: It supports up to 3A output current, catering to high-power requirements.
3. Low Dropout Voltage: Offers a dropout voltage of 1.5V at full load, enhancing efficiency, especially in battery-powered applications.
4. Thermal Protection: Includes thermal shutdown circuitry to prevent damage from overheating.
5. Current Limiting: Built-in current limiting protects the device and load from overcurrent conditions.
6. Fast Transient Response: Capable of responding quickly to changes in load or input voltage to maintain stable output.
These features make the LM1085IS-ADJ suitable for applications requiring efficient power management with flexibility in output voltage settings.
Pinout
The LM1085IS-ADJ is a low dropout voltage regulator with adjustable output. It typically comes in a 3-pin package configuration. The pin functions are as follows:
1. Pin 1 (ADJ/GND): This is the adjust pin, which allows the user to set the output voltage using a resistor divider network, or it serves as the ground pin in a fixed voltage version.
2. Pin 2 (VOUT): This pin provides the regulated output voltage. The output voltage is adjustable in the adjustable version, depending on the external resistor network connected to the ADJ pin.
3. Pin 3 (VIN): This pin is the input voltage pin where the raw, unregulated input voltage is supplied.
Overall, the LM1085IS-ADJ is designed to provide high current output with low dropout voltage and is commonly used in applications requiring efficient voltage regulation.
1. Pin 1 (ADJ/GND): This is the adjust pin, which allows the user to set the output voltage using a resistor divider network, or it serves as the ground pin in a fixed voltage version.
2. Pin 2 (VOUT): This pin provides the regulated output voltage. The output voltage is adjustable in the adjustable version, depending on the external resistor network connected to the ADJ pin.
3. Pin 3 (VIN): This pin is the input voltage pin where the raw, unregulated input voltage is supplied.
Overall, the LM1085IS-ADJ is designed to provide high current output with low dropout voltage and is commonly used in applications requiring efficient voltage regulation.
Manufacturer
The LM1085IS-ADJ is a low dropout voltage regulator manufactured by Texas Instruments. Texas Instruments (TI) is an American technology company that designs and manufactures semiconductors and various integrated circuits. It is one of the leading companies in the semiconductor industry, known for its innovation and extensive product portfolio that serves a wide range of applications in multiple sectors, including industrial, automotive, personal electronics, and communications equipment. TI is recognized for its focus on analog and embedded processing technologies and is a significant player in the global electronics market.
Application
The LM1085IS-ADJ is a low dropout linear voltage regulator designed for applications requiring a stable and adjustable output voltage. Key application areas include:
1. Power Supply Regulation: Used in systems needing efficient voltage regulation, particularly where the input-output voltage differential is minimal.
2. Industrial Equipment: Offers stable power output for sensitive industrial electronic components.
3. Telecommunications: Supports stable power delivery in telecommunication devices.
4. Consumer Electronics: Used in devices where tight voltage regulation is critical for performance.
5. Battery-Powered Devices: Ideal for applications requiring low dropout voltage to maximize battery life.
Its adaptability in output voltage makes it suitable for various electronic design projects.
1. Power Supply Regulation: Used in systems needing efficient voltage regulation, particularly where the input-output voltage differential is minimal.
2. Industrial Equipment: Offers stable power output for sensitive industrial electronic components.
3. Telecommunications: Supports stable power delivery in telecommunication devices.
4. Consumer Electronics: Used in devices where tight voltage regulation is critical for performance.
5. Battery-Powered Devices: Ideal for applications requiring low dropout voltage to maximize battery life.
Its adaptability in output voltage makes it suitable for various electronic design projects.
Package
The LM1085IS-ADJ is a low dropout linear voltage regulator available in a TO-263 surface mount package, often referred to as a D2PAK-3. This package provides efficient heat dissipation and is suitable for applications requiring moderate current and power handling capabilities.
