사양
| 속성 | 가치 |
| Package / Case | Tape & Reel (TR),Cut Tape (CT) |
| Part Status | Active |
| Function | Step-Up, Step-Up/Step-Down |
| Output Configuration | Positive, Isolation Capable |
| Topology | Boost, Flyback, Forward Converter, SEPIC |
| Output Type | Adjustable |
| Number of Outputs | 1 |
| Voltage - Input (Min) | 3.1V |
| Voltage - Input (Max) | 75V |
| Voltage - Output (Min/Fixed) | 3.1V |
| Voltage - Output (Max) | 76V (Switch) |
| Current - Output | 800mA (Switch) |
| Frequency - Switching | 50kHz ~ 1.5MHz |
| Synchronous Rectifier | No |
| Operating Temperature | -40°C ~ 125°C (TJ) |
| Mounting Type | Surface Mount |
개요
Description
The LM5001MAX/NOPB is a high-voltage switch-mode regulator from Texas Instruments, designed for efficient power conversion in a variety of applications. It integrates a 75 V N-channel MOSFET and supports both buck (step-down) and boost (step-up) configurations, making it versatile for different circuit needs. The device operates with an input voltage range from 3.1 V to 75 V and can deliver up to 1.5 A of output current, depending on the configuration and external components used.
Key features include a wide input voltage range, adjustable switching frequency, and current-mode control for improved transient response and loop stability. It also incorporates protection features such as cycle-by-cycle current limiting, thermal shutdown, and an internal soft-start to prevent inrush currents during startup.
The LM5001MAX/NOPB is suitable for applications such as distributed power systems, automotive, and industrial power supplies. Its compact design and integrated features make it efficient and reliable for use in space-constrained and demanding environments.
Key features include a wide input voltage range, adjustable switching frequency, and current-mode control for improved transient response and loop stability. It also incorporates protection features such as cycle-by-cycle current limiting, thermal shutdown, and an internal soft-start to prevent inrush currents during startup.
The LM5001MAX/NOPB is suitable for applications such as distributed power systems, automotive, and industrial power supplies. Its compact design and integrated features make it efficient and reliable for use in space-constrained and demanding environments.
Equivalent
The LM5001MAX/NOPB is a step-down switching regulator from Texas Instruments. Equivalent products include competitors' DC-DC buck converters with similar specifications, such as the LT3470 from Analog Devices, the MAX5035 from Maxim Integrated, or the MC34063 from ON Semiconductor. These alternatives provide comparable input voltage range, output voltage, and current capabilities. However, always verify the exact specifications and requirements of your application before selecting a substitute.
Features
The LM5001MAX/NOPB is a versatile high-voltage switch-mode regulator from Texas Instruments. It features:
1. Wide Input Voltage Range: Operates from 3.1V to 75V, suitable for a variety of applications.
2. Adjustable Output: Offers an adjustable output voltage for application flexibility.
3. Switching Frequency: Allows a programmable switching frequency up to 1.5 MHz for efficient performance.
4. Low Shutdown Current: Requires only 10 µA in shutdown mode, conserving power.
5. Integrated Switch: Features an N-channel MOSFET switch for efficient operation.
6. Cycle-by-Cycle Current Limiting: Protects the device during overcurrent conditions.
7. Thermal Shutdown: Protects against overheating by shutting down the device when high temperatures are detected.
8. External Clock Synchronization: Allows synchronization with an external clock for more complex designs.
9. Wide Temperature Range: Operates in a temperature range from -40°C to 125°C, making it suitable for various environments.
These features make the LM5001MAX/NOPB ideal for applications such as distributed power systems, battery-powered equipment, and industrial power supplies.
1. Wide Input Voltage Range: Operates from 3.1V to 75V, suitable for a variety of applications.
2. Adjustable Output: Offers an adjustable output voltage for application flexibility.
3. Switching Frequency: Allows a programmable switching frequency up to 1.5 MHz for efficient performance.
4. Low Shutdown Current: Requires only 10 µA in shutdown mode, conserving power.
5. Integrated Switch: Features an N-channel MOSFET switch for efficient operation.
6. Cycle-by-Cycle Current Limiting: Protects the device during overcurrent conditions.
7. Thermal Shutdown: Protects against overheating by shutting down the device when high temperatures are detected.
8. External Clock Synchronization: Allows synchronization with an external clock for more complex designs.
9. Wide Temperature Range: Operates in a temperature range from -40°C to 125°C, making it suitable for various environments.
These features make the LM5001MAX/NOPB ideal for applications such as distributed power systems, battery-powered equipment, and industrial power supplies.
Pinout
The LM5001MAX/NOPB is a high-voltage switch-mode regulator integrated circuit, typically used for step-down (buck) or step-up (boost) converter applications. It comes in an 8-pin SOIC (Small Outline Integrated Circuit) package.
Here is a concise description of its pin functions:
1. UVLO (Under-Voltage Lockout): Sets the input voltage level at which the device becomes active.
2. FB (Feedback): Used to set the output voltage by connecting to an external resistor divider network.
3. RT (Timing Resistor): Determines the switching frequency with an external resistor.
4. COMP (Compensation): Provides compensation for the feedback loop stability.
5. SGND (Signal Ground): Ground reference for internal control circuitry.
6. ISEN (Current Sense): Monitors the inductor current for current mode control.
7. SW (Switch): Connects to the inductor and external diode, acting as the switching node.
8. VIN (Input Voltage): Supplies the input voltage to the device.
The LM5001MAX/NOPB is valued for its flexibility across a range of power supplies due to its wide input voltage range and robust feature set.
Here is a concise description of its pin functions:
1. UVLO (Under-Voltage Lockout): Sets the input voltage level at which the device becomes active.
2. FB (Feedback): Used to set the output voltage by connecting to an external resistor divider network.
3. RT (Timing Resistor): Determines the switching frequency with an external resistor.
4. COMP (Compensation): Provides compensation for the feedback loop stability.
5. SGND (Signal Ground): Ground reference for internal control circuitry.
6. ISEN (Current Sense): Monitors the inductor current for current mode control.
7. SW (Switch): Connects to the inductor and external diode, acting as the switching node.
8. VIN (Input Voltage): Supplies the input voltage to the device.
The LM5001MAX/NOPB is valued for its flexibility across a range of power supplies due to its wide input voltage range and robust feature set.
Manufacturer
The LM5001MAX/NOPB is manufactured by Texas Instruments. Texas Instruments, often abbreviated as TI, is an American technology company that designs and manufactures semiconductors and various integrated circuits, which are used in electronics worldwide. Founded in 1930 and headquartered in Dallas, Texas, TI is one of the largest and most established semiconductor companies globally. The company's products serve a wide range of industries and applications, including industrial, automotive, personal electronics, and communications equipment. TI is particularly well-known for its analog chips and embedded processors, which are its core product lines. The company also emphasizes innovation and has a strong focus on research and development to stay competitive in the rapidly evolving technology sector.
Application
The LM5001MAX/NOPB is a versatile switching regulator designed for applications requiring efficient power conversion. Its applications include:
1. Telecommunications: Powering equipment in telecom infrastructure where stable voltage is crucial.
2. Industrial Systems: Used in industrial automation and control systems for reliable power delivery.
3. Automotive: Suitable for vehicle electronics that demand robust performance across varying conditions.
4. Consumer Electronics: Powers devices like set-top boxes and gaming consoles, ensuring energy efficiency.
5. Distributed Power Systems: Integral in systems that distribute power across multiple modules or components.
6. Battery-Powered Devices: Extends battery life by efficiently managing power conversion in portable electronics.
These applications leverage the LM5001's efficiency, flexibility, and ability to handle various input voltages.
1. Telecommunications: Powering equipment in telecom infrastructure where stable voltage is crucial.
2. Industrial Systems: Used in industrial automation and control systems for reliable power delivery.
3. Automotive: Suitable for vehicle electronics that demand robust performance across varying conditions.
4. Consumer Electronics: Powers devices like set-top boxes and gaming consoles, ensuring energy efficiency.
5. Distributed Power Systems: Integral in systems that distribute power across multiple modules or components.
6. Battery-Powered Devices: Extends battery life by efficiently managing power conversion in portable electronics.
These applications leverage the LM5001's efficiency, flexibility, and ability to handle various input voltages.
Package
The LM5001MAX/NOPB is typically available in an 8-pin SOIC (Small Outline Integrated Circuit) package.