規格
| 屬性 | 價值 |
| Package / Case | Tape & Reel (TR),Cut Tape (CT),Bulk |
| Part Status | Not For New Designs |
| Function | Step-Down |
| Output Configuration | Positive |
| Topology | Buck |
| Output Type | Adjustable |
| Number of Outputs | 1 |
| Voltage - Input (Min) | 9V |
| Voltage - Input (Max) | 42V |
| Voltage - Output (Min/Fixed) | 2.5V |
| Voltage - Output (Max) | 37V |
| Current - Output | 500mA |
| Frequency - Switching | Up to 800kHz |
| Synchronous Rectifier | No |
| Operating Temperature | -40°C ~ 125°C (TJ) |
| Mounting Type | Surface Mount |
概述
Description
The LM25007MM is a high-efficiency step-down switching voltage regulator integrated circuit (IC) designed by Texas Instruments. It is part of the LM25000 series and is specifically aimed at providing efficient power conversion for a variety of electronic applications. The device operates with a wide input voltage range, typically from 7.5V to 42V, making it suitable for automotive, industrial, and distributed power systems.
The LM25007MM features an integrated N-channel MOSFET switch, which enhances efficiency by minimizing the need for external components. It operates at a fixed switching frequency, usually around 1 MHz, allowing for smaller external inductors and capacitors. This results in a compact design, ideal for space-constrained applications.
Key features include current-mode control for fast transient response, cycle-by-cycle current limiting, and thermal shutdown for protection. The device also supports an adjustable output voltage, enabling flexibility in different applications. The LM25007MM is available in a small, thermally efficient MSOP-8 package, facilitating easy integration into various circuit designs.
The LM25007MM features an integrated N-channel MOSFET switch, which enhances efficiency by minimizing the need for external components. It operates at a fixed switching frequency, usually around 1 MHz, allowing for smaller external inductors and capacitors. This results in a compact design, ideal for space-constrained applications.
Key features include current-mode control for fast transient response, cycle-by-cycle current limiting, and thermal shutdown for protection. The device also supports an adjustable output voltage, enabling flexibility in different applications. The LM25007MM is available in a small, thermally efficient MSOP-8 package, facilitating easy integration into various circuit designs.
Equivalent
The LM25007MM is a step-down switching regulator from Texas Instruments. Equivalent products might include similar step-down converters with matching voltage and current ratings. Potential alternatives could be:
1. LM2596 from Texas Instruments
2. LMR16006 from Texas Instruments
3. MC34063 from ON Semiconductor
4. LT3971 from Analog Devices (formerly Linear Technology)
Make sure to verify the specific requirements of your application, such as input/output voltage, current, frequency, and efficiency, when selecting an alternative.
1. LM2596 from Texas Instruments
2. LMR16006 from Texas Instruments
3. MC34063 from ON Semiconductor
4. LT3971 from Analog Devices (formerly Linear Technology)
Make sure to verify the specific requirements of your application, such as input/output voltage, current, frequency, and efficiency, when selecting an alternative.
Features
The LM25007MM is a buck switching regulator designed for applications requiring high efficiency and a wide input voltage range. Key features include:
1. Wide Input Voltage Range: Operates from 7.5V to 42V, making it suitable for automotive and industrial applications.
2. Adjustable Output Voltage: Allows precise control over output voltage using external resistors.
3. High Efficiency: Utilizes a current-mode control architecture to achieve high efficiency across various loads.
4. Switching Frequency: Features a fixed switching frequency of 1 MHz, which allows the use of small external components, reducing space and cost.
5. Integrated Switch: Comes with an internal switch rated at 1.5A, simplifying the design and reducing the need for external components.
6. Protection Features: Includes thermal shutdown, current limit, and undervoltage lockout to enhance reliability and protect against faults.
7. Compact Package: Available in a small, thermally enhanced 8-lead MSOP package, suitable for space-constrained applications.
These features make the LM25007MM ideal for power regulation in compact, high-performance systems.
1. Wide Input Voltage Range: Operates from 7.5V to 42V, making it suitable for automotive and industrial applications.
2. Adjustable Output Voltage: Allows precise control over output voltage using external resistors.
3. High Efficiency: Utilizes a current-mode control architecture to achieve high efficiency across various loads.
4. Switching Frequency: Features a fixed switching frequency of 1 MHz, which allows the use of small external components, reducing space and cost.
5. Integrated Switch: Comes with an internal switch rated at 1.5A, simplifying the design and reducing the need for external components.
6. Protection Features: Includes thermal shutdown, current limit, and undervoltage lockout to enhance reliability and protect against faults.
7. Compact Package: Available in a small, thermally enhanced 8-lead MSOP package, suitable for space-constrained applications.
These features make the LM25007MM ideal for power regulation in compact, high-performance systems.
Pinout
The LM25007MM is a high-efficiency switching regulator from Texas Instruments, typically packaged in an 8-pin VSSOP (MSOP-8) form factor. Here is a concise breakdown of its pin functions:
1. Vin (Pin 1): Input voltage supply.
2. SW (Pin 2): Switch node, connected to the inductor.
3. BST (Pin 3): Bootstrap capacitor connection for the high-side driver.
4. AGND (Pin 4): Analog ground for the device.
5. RT/SYNC (Pin 5): Resistor timing/synchronization input to adjust the switching frequency.
6. FB (Pin 6): Feedback input for output voltage regulation.
7. COMP (Pin 7): Compensation network connection for the error amplifier.
8. Vcc (Pin 8): Output from the internal regulator, providing supply to internal circuits.
The LM25007MM is designed for step-down (buck) voltage regulation. It offers features like current-mode control, an internal power switch, and high efficiency, making it suitable for a variety of power management applications.
1. Vin (Pin 1): Input voltage supply.
2. SW (Pin 2): Switch node, connected to the inductor.
3. BST (Pin 3): Bootstrap capacitor connection for the high-side driver.
4. AGND (Pin 4): Analog ground for the device.
5. RT/SYNC (Pin 5): Resistor timing/synchronization input to adjust the switching frequency.
6. FB (Pin 6): Feedback input for output voltage regulation.
7. COMP (Pin 7): Compensation network connection for the error amplifier.
8. Vcc (Pin 8): Output from the internal regulator, providing supply to internal circuits.
The LM25007MM is designed for step-down (buck) voltage regulation. It offers features like current-mode control, an internal power switch, and high efficiency, making it suitable for a variety of power management applications.
Manufacturer
The LM25007MM is a product manufactured by Texas Instruments. Texas Instruments (TI) is an American technology company that designs and manufactures semiconductors and various integrated circuits, which it sells to electronics designers and manufacturers globally. TI is known for its broad portfolio of products, which includes analog chips, embedded processors, and a variety of other semiconductor devices. The company plays a significant role in the electronics industry by providing components that are crucial for the functioning of a wide range of electronic devices, from consumer gadgets to industrial equipment. Founded in 1930 and headquartered in Dallas, Texas, TI has established itself as a leader in the semiconductor sector, focusing on innovation and development to meet the evolving demands of modern technology.
Application
The LM25007MM is a buck regulator designed for efficient DC-DC conversion. It's commonly used in applications requiring step-down voltage conversion with high efficiency and low electromagnetic interference (EMI). Typical application areas include:
1. Industrial Power Supplies: Used for generating stable power in industrial equipment.
2. Automotive Systems: Helps in powering various automotive electronic components.
3. Telecommunications: Used in telecom equipment for reliable power distribution.
4. Consumer Electronics: Powers devices like set-top boxes, displays, and other home electronics.
5. Embedded Systems: Provides power for microcontrollers and other embedded components.
Its wide input voltage range and robust performance make it suitable for diverse applications.
1. Industrial Power Supplies: Used for generating stable power in industrial equipment.
2. Automotive Systems: Helps in powering various automotive electronic components.
3. Telecommunications: Used in telecom equipment for reliable power distribution.
4. Consumer Electronics: Powers devices like set-top boxes, displays, and other home electronics.
5. Embedded Systems: Provides power for microcontrollers and other embedded components.
Its wide input voltage range and robust performance make it suitable for diverse applications.
Package
The LM25007MM is a step-down voltage regulator integrated circuit from Texas Instruments. It is available in a mini small-outline package (MSOP-8), which is a compact surface-mount package type suited for space-constrained applications.
