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LM2594MX-5.0
+Lista de MateriaisSwitching Voltage Regulators
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FabricanteTexas Instruments
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Peça do Fabricante #LM2594MX-5.0
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Especificações
| Atributo | Valor |
| Packaging | MouseReel |
| Standard Pack Qty | 2500 |
Visão Geral
Description
Key features of the LM2594MX-5.0 include a fixed 150 kHz switching frequency, which helps in reducing the size of external components, thus saving space and cost. Its built-in thermal shutdown, current limiting, and short-circuit protection enhance reliability and safety. The device also includes a feedback pin to stabilize the output voltage and maintain regulation accuracy.
The LM2594MX-5.0 is ideal for power supply solutions in consumer electronics, automotive, and industrial applications where efficiency, size, and cost are critical. Its SOIC-8 package allows for easy integration into various circuit designs.
Equivalent
1. LM2594M-5.0 by Texas Instruments: Similar specifications and package with slightly different suffix.
2. LM2675-5.0 by Texas Instruments: Another step-down regulator with comparable features.
3. MC34063 by ON Semiconductor: General purpose step-down converter.
4. L4971 by STMicroelectronics: Offers similar performance.
5. AP1509-50K5 by Diodes Incorporated: Equivalent functionality for 5V output.
Always check the datasheets for exact compatibility.
Features
Key features include a fixed 150 kHz switching frequency, which allows for smaller external components and less board space usage. The regulator is equipped with thermal shutdown and current limit protection for enhanced reliability. It also supports an external shutdown function, which reduces power consumption to near zero when the device is not in use.
The LM2594MX-5.0 is designed for ease of use with a minimum number of external components required for operation. It is available in a surface-mount package, which is advantageous for compact and high-density circuit designs. This regulator is commonly used in applications such as battery-powered devices, automotive electronics, and industrial power supplies.
Pinout
1. Vin: Input voltage supply pin (4.5V to 40V).
2. Output: Output pin where the regulated 5V is provided.
3. Ground: Common ground pin for input and output.
4. Feedback: Used for setting the output voltage in adjustable versions, but it may be internally connected for fixed versions like the LM2594MX-5.0.
5. ON/OFF: Enable/disable pin for the regulator. Logic high turns the regulator off, logic low turns it on.
6. Compensation: Internally connected for fixed output versions, used for loop compensation.
7. Soft-start: Provides a controlled ramp up of the output voltage to prevent inrush current.
8. NC (No Connect): This pin is not connected internally and can be left floating.
The LM2594MX-5.0 is known for its efficiency, simplicity, and reliability in step-down voltage regulation applications.
Manufacturer
Application
1. Embedded Systems: Provides stable 5V supply for microcontrollers and peripherals.
2. Consumer Electronics: Powers devices like routers, modems, and set-top boxes.
3. Industrial Equipment: Used in control systems and instrumentation.
4. Automotive: Supports 12V to 5V conversion for dashboard electronics.
5. Telecommunications: Provides power for networking equipment.
6. Battery-Powered Devices: Efficiently manages power in portable applications.
7. Solar Systems: Converts varying solar panel outputs to stable 5V for charging.
Its efficiency and simplicity make it suitable for a wide range of electronic applications.