사양
| 속성 | 가치 |
| Package / Case | Tape & Reel (TR),Cut Tape (CT) |
| Part Status | Not For New Designs |
| Output Configuration | Positive |
| Output Type | Fixed |
| Number of Regulators | 1 |
| Voltage - Input (Max) | 27V |
| Voltage - Output (Min/Fixed) | 3.3V |
| Voltage Dropout (Max) | 1.5V @ 3A |
| Current - Output | 3A |
| Current - Quiescent (Iq) | 10 mA |
| PSRR | 72dB (120Hz) |
| Protection Features | Over Current, Over Temperature |
| Operating Temperature | -40°C ~ 125°C (TJ) |
| Mounting Type | Surface Mount |
개요
Description
The LM1085ISX-3.3 is a low-dropout (LDO) linear voltage regulator designed to provide a stable 3.3V output voltage. Manufactured by Texas Instruments, it is part of the LM1085 series and can deliver up to 3A of output current. Featuring a dropout voltage of approximately 1.5V at full load, this regulator is suitable for applications where a low dropout and high current capability are crucial.
The device comes in a TO-263 package, offering a balance between thermal performance and compact size. It includes built-in protection features such as thermal shutdown and current limiting to enhance reliability. The LM1085ISX-3.3 is typically used in applications requiring efficient regulation of power supplies, including computer peripherals, consumer electronics, and industrial equipment.
Its ease of use is complemented by a minimal requirement for external components, which simplifies design and reduces the overall footprint. The regulator is well-regarded for its performance in providing a clean, stable power supply with low noise, making it a popular choice for sensitive electronic circuits.
The device comes in a TO-263 package, offering a balance between thermal performance and compact size. It includes built-in protection features such as thermal shutdown and current limiting to enhance reliability. The LM1085ISX-3.3 is typically used in applications requiring efficient regulation of power supplies, including computer peripherals, consumer electronics, and industrial equipment.
Its ease of use is complemented by a minimal requirement for external components, which simplifies design and reduces the overall footprint. The regulator is well-regarded for its performance in providing a clean, stable power supply with low noise, making it a popular choice for sensitive electronic circuits.
Equivalent
The LM1085ISX-3.3 is a 3.3V fixed-output linear voltage regulator. Equivalent products include:
1. LT1085 series from Analog Devices.
2. LD1085 series from STMicroelectronics.
3. NCP1085 series from ON Semiconductor.
4. MIC29302 series from Microchip Technology.
5. BA033T from Rohm Semiconductor.
These alternatives generally offer similar output voltage, current ratings, and package options. Always verify the specifications to ensure compatibility with your application.
1. LT1085 series from Analog Devices.
2. LD1085 series from STMicroelectronics.
3. NCP1085 series from ON Semiconductor.
4. MIC29302 series from Microchip Technology.
5. BA033T from Rohm Semiconductor.
These alternatives generally offer similar output voltage, current ratings, and package options. Always verify the specifications to ensure compatibility with your application.
Features
The LM1085ISX-3.3 is a low dropout (LDO) linear voltage regulator. It provides a fixed 3.3V output and can deliver up to 3A of output current. Key features include:
1. Low Dropout Voltage: Typically around 1.3V at full load, which allows for efficient regulation even with a small difference between input and output voltages.
2. Thermal Protection: Includes protection mechanisms against overheating, ensuring reliable operation across a range of conditions.
3. Current Limiting: Built-in current limiting safeguards the regulator and the load against overcurrent conditions.
4. Fixed Output Voltage: Offers a stable 3.3V output, which is ideal for powering digital circuits and microcontrollers that require a 3.3V supply.
5. High Accuracy: Provides accurate voltage regulation with tight output tolerance.
6. Surface-Mount Package: Available in a TO-263 surface-mount package, facilitating easy integration into PCB designs.
These features make the LM1085ISX-3.3 suitable for applications requiring robust and efficient voltage regulation, such as in communication systems, industrial equipment, and consumer electronics.
1. Low Dropout Voltage: Typically around 1.3V at full load, which allows for efficient regulation even with a small difference between input and output voltages.
2. Thermal Protection: Includes protection mechanisms against overheating, ensuring reliable operation across a range of conditions.
3. Current Limiting: Built-in current limiting safeguards the regulator and the load against overcurrent conditions.
4. Fixed Output Voltage: Offers a stable 3.3V output, which is ideal for powering digital circuits and microcontrollers that require a 3.3V supply.
5. High Accuracy: Provides accurate voltage regulation with tight output tolerance.
6. Surface-Mount Package: Available in a TO-263 surface-mount package, facilitating easy integration into PCB designs.
These features make the LM1085ISX-3.3 suitable for applications requiring robust and efficient voltage regulation, such as in communication systems, industrial equipment, and consumer electronics.
Pinout
The LM1085ISX-3.3 is a low-dropout voltage regulator with a fixed output voltage of 3.3V. It typically comes in a TO-263 package and has three pins. Here are the pin functions:
1. Input (Pin 1): This is where the input voltage is supplied. It should be at least 1.5V higher than the output voltage to ensure proper regulation.
2. Output (Pin 2): This pin provides the regulated 3.3V output voltage. It should be connected to the load that requires regulation.
3. Ground (Pin 3): This is the common ground connection for both input and output voltages.
The device is designed to provide up to 3A of output current with a low dropout voltage, making it suitable for applications requiring high efficiency and a compact footprint. The LM1085ISX-3.3 also features thermal shutdown and current limiting for protection.
1. Input (Pin 1): This is where the input voltage is supplied. It should be at least 1.5V higher than the output voltage to ensure proper regulation.
2. Output (Pin 2): This pin provides the regulated 3.3V output voltage. It should be connected to the load that requires regulation.
3. Ground (Pin 3): This is the common ground connection for both input and output voltages.
The device is designed to provide up to 3A of output current with a low dropout voltage, making it suitable for applications requiring high efficiency and a compact footprint. The LM1085ISX-3.3 also features thermal shutdown and current limiting for protection.
Manufacturer
The LM1085ISX-3.3 is manufactured by Texas Instruments (TI). Texas Instruments is a global semiconductor company that designs and produces a wide range of electronic components and solutions. They are known for their development of analog and embedded processing products, which are used in various applications across industries such as consumer electronics, automotive, industrial, and communications. TI is renowned for its innovation in integrated circuits, and it has a strong presence in both the analog and digital semiconductor markets.
Application
The LM1085ISX-3.3 is a low-dropout (LDO) linear voltage regulator with a fixed 3.3V output, suitable for various applications. It is commonly used in areas requiring efficient power regulation, such as:
1. Embedded Systems: Provides stable voltage for microcontrollers and digital circuits.
2. Telecommunications: Powers communication devices requiring precise voltage levels.
3. Consumer Electronics: Used in devices like set-top boxes and gaming consoles.
4. Industrial Equipment: Offers reliable power for sensors and control systems.
5. Networking Devices: Supports routers and switches with stable voltage supplies.
6. Automotive Electronics: Powers infotainment systems and control modules.
Its low dropout voltage and high current capability make it ideal for applications needing efficient power management.
1. Embedded Systems: Provides stable voltage for microcontrollers and digital circuits.
2. Telecommunications: Powers communication devices requiring precise voltage levels.
3. Consumer Electronics: Used in devices like set-top boxes and gaming consoles.
4. Industrial Equipment: Offers reliable power for sensors and control systems.
5. Networking Devices: Supports routers and switches with stable voltage supplies.
6. Automotive Electronics: Powers infotainment systems and control modules.
Its low dropout voltage and high current capability make it ideal for applications needing efficient power management.
Package
The LM1085ISX-3.3 is a low dropout voltage regulator and is typically available in a TO-263 surface-mount package. This package type allows for efficient thermal management and is suitable for applications requiring a stable 3.3V output.
