規格
| 屬性 | 價值 |
| Package | Tube |
| ProductStatus | Active |
| OutputConfiguration | Positive |
| OutputType | Adjustable |
| NumberofRegulators | 1 |
| Voltage-Input(Max) | 30V |
| Voltage-Output(Min/Fixed) | 1.25V |
| Voltage-Output(Max) | 28.5V |
| VoltageDropout(Max) | 1.5V @ 3A |
| Current-Output | 3A |
| PSRR | 75dB (120Hz) |
| ProtectionFeatures | Over Temperature |
| OperatingTemperature | 0°C ~ 125°C |
| MountingType | Surface Mount |
| Package/Case | TO-263-4, D²Pak (3 Leads + Tab), TO-263AA |
概述
Description
The LT1085CM#PBF is a low dropout voltage regulator from Analog Devices, designed for applications requiring efficient voltage regulation even in conditions of low voltage differentials between the input and output. It offers a maximum output current of 3A and features a dropout voltage of 1.3V at full load, making it suitable for powering microprocessors and other digital systems. The device includes features like current limiting, thermal shutdown, and safe operating area protection, ensuring reliable and safe operation under various conditions. The LT1085CM#PBF is typically used in applications requiring efficient thermal management due to its power and current handling capabilities. It comes in a TO-220 package, allowing for effective heat dissipation, and is compatible with a wide range of input and output capacitors, enhancing its versatility in electronic design. The device's performance parameters make it an ideal choice for both linear and switching regulator applications where precise voltage regulation and thermal efficiency are critical.
Equivalent
The LT1085CM#PBF is a low dropout (LDO) voltage regulator from Analog Devices. Equivalent products with similar specifications include:
1. LM1084 by Texas Instruments
2. LD1085 by STMicroelectronics
3. MIC29300 by Microchip Technology
4. AP1084 by Diodes Incorporated
These alternatives offer comparable performance in terms of voltage regulation and dropout voltage, but always verify the datasheets for compatibility with your specific application requirements.
1. LM1084 by Texas Instruments
2. LD1085 by STMicroelectronics
3. MIC29300 by Microchip Technology
4. AP1084 by Diodes Incorporated
These alternatives offer comparable performance in terms of voltage regulation and dropout voltage, but always verify the datasheets for compatibility with your specific application requirements.
Features
The LT1085CM#PBF is a low dropout voltage regulator designed by Analog Devices. Key features include:
1. Output Current: Capable of delivering up to 3A of output current, making it suitable for various power supply applications.
2. Low Dropout Voltage: It offers a dropout voltage of approximately 1.5V at maximum load, which is advantageous for efficient power management.
3. Adjustable Output: The device provides an adjustable output voltage, typically from 1.2V to 37V, allowing for versatile application use.
4. Line and Load Regulation: It possesses excellent line and load regulation, ensuring stable output even with varying inputs and loads.
5. Thermal Protection: Built-in thermal overload protection safeguards the regulator from damage due to excessive temperature.
6. Current Limiting: Features current limiting to prevent output short circuits from causing damage.
7. Package: Available in a surface-mount package for convenient integration into PCB designs.
8. Applications: It is ideal for use in high-efficiency linear regulators, post-regulation of switching supplies, and battery-powered devices.
These features make the LT1085CM#PBF a reliable choice for applications requiring efficient regulation and high current delivery.
1. Output Current: Capable of delivering up to 3A of output current, making it suitable for various power supply applications.
2. Low Dropout Voltage: It offers a dropout voltage of approximately 1.5V at maximum load, which is advantageous for efficient power management.
3. Adjustable Output: The device provides an adjustable output voltage, typically from 1.2V to 37V, allowing for versatile application use.
4. Line and Load Regulation: It possesses excellent line and load regulation, ensuring stable output even with varying inputs and loads.
5. Thermal Protection: Built-in thermal overload protection safeguards the regulator from damage due to excessive temperature.
6. Current Limiting: Features current limiting to prevent output short circuits from causing damage.
7. Package: Available in a surface-mount package for convenient integration into PCB designs.
8. Applications: It is ideal for use in high-efficiency linear regulators, post-regulation of switching supplies, and battery-powered devices.
These features make the LT1085CM#PBF a reliable choice for applications requiring efficient regulation and high current delivery.
Pinout
The LT1085CM#PBF is a linear voltage regulator from Analog Devices, commonly used for regulating power supply voltages. It comes in a 3-pin package. The three pins are typically configured as follows:
1. Input (IN): This pin accepts the unregulated input voltage, which should be higher than the desired output voltage to allow for proper regulation.
2. Output (OUT): This pin provides the regulated output voltage. The LT1085 is capable of providing a high output current, typically up to 3A, with a dropout voltage of about 1.3V at maximum current.
3. Adjustment (ADJ): This pin is used to set the output voltage. The output voltage can be adjusted by connecting a resistor divider between the output pin, the adjust pin, and ground.
The LT1085CM#PBF is designed for various applications that require a stable output voltage, such as in powering microprocessors and other digital circuits. It offers features like low dropout voltage, thermal regulation, and protection against overcurrent conditions.
1. Input (IN): This pin accepts the unregulated input voltage, which should be higher than the desired output voltage to allow for proper regulation.
2. Output (OUT): This pin provides the regulated output voltage. The LT1085 is capable of providing a high output current, typically up to 3A, with a dropout voltage of about 1.3V at maximum current.
3. Adjustment (ADJ): This pin is used to set the output voltage. The output voltage can be adjusted by connecting a resistor divider between the output pin, the adjust pin, and ground.
The LT1085CM#PBF is designed for various applications that require a stable output voltage, such as in powering microprocessors and other digital circuits. It offers features like low dropout voltage, thermal regulation, and protection against overcurrent conditions.
Manufacturer
The LT1085CM#PBF is manufactured by Analog Devices, Inc. Analog Devices is a semiconductor company that specializes in the design and manufacturing of integrated circuits used in electronic equipment. The company is known for producing a wide range of products, including analog, mixed-signal, and digital signal processing (DSP) integrated circuits. These components are utilized in various applications across industries such as communications, automotive, industrial, consumer electronics, and healthcare. Analog Devices is recognized for its innovation and quality in delivering solutions that bridge the physical and digital worlds.
Application
The LT1085CM#PBF is a low dropout (LDO) voltage regulator suitable for various applications where precise voltage regulation and efficiency are crucial. Key application areas include:
1. Power Supply Regulation: Used in systems requiring stable voltage under varying load conditions.
2. Microprocessor Power Supplies: Provides clean power to microprocessors and digital circuits.
3. Battery-Powered Devices: Extends battery life by efficiently managing power output.
4. Telecommunications Equipment: Ensures reliable operation of communication systems.
5. Industrial Automation: Supplies consistent voltage to control systems and sensors.
6. Consumer Electronics: Powers a wide range of devices, ensuring stable performance.
These applications benefit from the LT1085's low dropout voltage, high current capability, and thermal performance.
1. Power Supply Regulation: Used in systems requiring stable voltage under varying load conditions.
2. Microprocessor Power Supplies: Provides clean power to microprocessors and digital circuits.
3. Battery-Powered Devices: Extends battery life by efficiently managing power output.
4. Telecommunications Equipment: Ensures reliable operation of communication systems.
5. Industrial Automation: Supplies consistent voltage to control systems and sensors.
6. Consumer Electronics: Powers a wide range of devices, ensuring stable performance.
These applications benefit from the LT1085's low dropout voltage, high current capability, and thermal performance.
Package
The LT1085CM#PBF is a linear voltage regulator from Analog Devices. The "CM" in its part number indicates that it is housed in a TO-263 surface-mount package. The "#PBF" suffix signifies that the device is lead-free and RoHS compliant.