사양
| 속성 | 가치 |
| Package / Case | Tape & Reel (TR),Cut Tape (CT) |
| Series | SIMPLE SWITCHER® |
| Part Status | Active |
| Function | Step-Down |
| Output Configuration | Positive |
| Topology | Buck |
| Output Type | Adjustable |
| Number of Outputs | 1 |
| Voltage - Input (Min) | 6V |
| Voltage - Input (Max) | 75V |
| Voltage - Output (Min/Fixed) | 1.225V |
| Voltage - Output (Max) | 70V |
| Current - Output | 500mA |
| Frequency - Switching | 50kHz ~ 500kHz |
| Synchronous Rectifier | No |
| Operating Temperature | -40°C ~ 125°C (TJ) |
| Mounting Type | Surface Mount |
개요
Description
The LM5574MTX/NOPB is a step-down switching voltage regulator from Texas Instruments. It is designed to convert higher DC input voltages to lower DC output voltages efficiently. Key features include a wide input voltage range from 6V to 75V and an adjustable output voltage, making it versatile for various applications. It delivers up to 500 mA of output current and operates at a switching frequency of 500 kHz, which allows for small external components and a compact design.
The device incorporates several protective features, such as cycle-by-cycle current limiting, thermal shutdown, and undervoltage lockout, ensuring reliable performance. Its high efficiency, typically above 90%, reduces power loss, improving thermal management. The LM5574MTX/NOPB is suited for use in industrial, automotive, and communications power systems or any application requiring a robust, efficient step-down regulator. The "NOPB" suffix indicates that the component is free from lead and other hazardous materials, complying with RoHS standards.
The device incorporates several protective features, such as cycle-by-cycle current limiting, thermal shutdown, and undervoltage lockout, ensuring reliable performance. Its high efficiency, typically above 90%, reduces power loss, improving thermal management. The LM5574MTX/NOPB is suited for use in industrial, automotive, and communications power systems or any application requiring a robust, efficient step-down regulator. The "NOPB" suffix indicates that the component is free from lead and other hazardous materials, complying with RoHS standards.
Equivalent
The LM5574MTX/NOPB is a step-down voltage regulator. Equivalent products include the LM2594 by Texas Instruments, the MC34063 by ON Semiconductor, and the MP1584 by Monolithic Power Systems. These alternatives offer similar functionalities, with variations in input voltage range, output current capacity, and efficiency. Always check the datasheets for compatibility with your specific application requirements.
Features
The LM5574MTX/NOPB is a step-down switching voltage regulator designed by Texas Instruments. Key features include:
1. Wide Input Voltage Range: It supports an input voltage range from 6V to 75V, making it suitable for various applications.
2. Adjustable Output Voltage: The device provides an adjustable output voltage, allowing flexibility for different system requirements.
3. High Efficiency: Achieves high efficiency through its integrated N-channel MOSFET and switching frequency, which is adjustable up to 500 kHz.
4. Output Current: It can deliver up to 500 mA of continuous output current.
5. Protection Features: Includes over-current protection, thermal shutdown, and under-voltage lockout to enhance reliability and safety.
6. Soft Start: A programmable soft-start feature minimizes inrush current during startup.
7. Thermal Performance: Comes in a thermally enhanced package to improve heat dissipation.
8. Low Standby Current: Designed for low standby current to enhance energy efficiency.
These features make the LM5574MTX/NOPB ideal for automotive, industrial, and other high-voltage applications.
1. Wide Input Voltage Range: It supports an input voltage range from 6V to 75V, making it suitable for various applications.
2. Adjustable Output Voltage: The device provides an adjustable output voltage, allowing flexibility for different system requirements.
3. High Efficiency: Achieves high efficiency through its integrated N-channel MOSFET and switching frequency, which is adjustable up to 500 kHz.
4. Output Current: It can deliver up to 500 mA of continuous output current.
5. Protection Features: Includes over-current protection, thermal shutdown, and under-voltage lockout to enhance reliability and safety.
6. Soft Start: A programmable soft-start feature minimizes inrush current during startup.
7. Thermal Performance: Comes in a thermally enhanced package to improve heat dissipation.
8. Low Standby Current: Designed for low standby current to enhance energy efficiency.
These features make the LM5574MTX/NOPB ideal for automotive, industrial, and other high-voltage applications.
Pinout
The LM5574MTX/NOPB is a step-down switching voltage regulator produced by Texas Instruments. It is typically available in a 16-pin TSSOP package with an exposed pad for enhanced thermal performance. The primary function of this device is to convert a higher DC voltage to a lower DC voltage with high efficiency.
Key features and functions of the LM5574 include:
1. Input Voltage Range: It supports a wide input voltage range from 6V to 75V, making it suitable for a variety of applications.
2. Output Voltage: The regulator can be adjusted to deliver an output voltage as low as 1.23V.
3. Output Current: It can provide a continuous output current of up to 0.5A.
4. Switching Frequency: The device operates at a fixed frequency, which can typically be set by the designer, usually around 500 kHz.
5. Protections: It includes features such as thermal shutdown, cycle-by-cycle current limiting, and under-voltage lockout for reliable operation.
These characteristics make the LM5574MTX/NOPB suitable for industrial, automotive, and other high-voltage applications.
Key features and functions of the LM5574 include:
1. Input Voltage Range: It supports a wide input voltage range from 6V to 75V, making it suitable for a variety of applications.
2. Output Voltage: The regulator can be adjusted to deliver an output voltage as low as 1.23V.
3. Output Current: It can provide a continuous output current of up to 0.5A.
4. Switching Frequency: The device operates at a fixed frequency, which can typically be set by the designer, usually around 500 kHz.
5. Protections: It includes features such as thermal shutdown, cycle-by-cycle current limiting, and under-voltage lockout for reliable operation.
These characteristics make the LM5574MTX/NOPB suitable for industrial, automotive, and other high-voltage applications.
Manufacturer
The LM5574MTX/NOPB is 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 largest semiconductor companies in the world and is known for its analog chips and embedded processors, which are used in a wide range of electronic devices including industrial equipment, automotive systems, and consumer electronics. TI is recognized for its innovation in the semiconductor industry and has a broad portfolio of products that serve multiple markets.
Application
The LM5574MTX/NOPB is a step-down voltage regulator, and its application areas include:
1. Industrial Power Supplies: Used in industrial applications for reliable power management.
2. Automotive Systems: Suitable for automotive power systems due to its wide input voltage range.
3. Telecommunications: Applied in telecom systems for efficient voltage regulation.
4. Consumer Electronics: Employed in various consumer devices for power efficiency.
5. Battery-Powered Devices: Ideal for extending battery life in portable applications.
Its versatility, efficiency, and capability to handle a range of input voltages make it ideal for these applications.
1. Industrial Power Supplies: Used in industrial applications for reliable power management.
2. Automotive Systems: Suitable for automotive power systems due to its wide input voltage range.
3. Telecommunications: Applied in telecom systems for efficient voltage regulation.
4. Consumer Electronics: Employed in various consumer devices for power efficiency.
5. Battery-Powered Devices: Ideal for extending battery life in portable applications.
Its versatility, efficiency, and capability to handle a range of input voltages make it ideal for these applications.
Package
The LM5574MTX/NOPB is housed in a TSSOP-16 package, which stands for Thin Shrink Small Outline Package with 16 leads. It's commonly used for electronic components requiring a compact, surface-mountable form factor.
