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LM25007MM
+Lista de MateriaisIC REG BUCK ADJ 500MA 8VSSOP
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FabricanteTexas Instruments
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Peça do Fabricante #LM25007MM
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Pacote VSSOP-8
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Especificações
| Atributo | Valor |
| 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 |
Visão Geral
Description
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
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
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
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
Application
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.