LM2596SX-5

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LM2596SX-5

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Switching Voltage Regulators

  • HerstellerTexas Instruments

  • Herstellerteil #LM2596SX-5

  • Auf Lager23576

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Description

The LM2596SX-5 is a voltage regulator integrated circuit (IC) designed by Texas Instruments. It is part of the LM2596 series, known for its efficient step-down (buck) voltage regulation. The "-5" in its name signifies that it outputs a fixed 5V from a higher input voltage, typically ranging from 7V to 40V. This makes it suitable for applications needing a stable 5V power supply from a higher voltage source.
Key features of the LM2596SX-5 include high efficiency (up to 90%), a 3A output current capability, and an operating frequency of 150 kHz, which helps minimize external component size. The IC includes internal frequency compensation and a fixed-frequency oscillator. It also provides thermal shutdown and current limit protection, enhancing its reliability in various environments.
The LM2596SX-5 is often used in power supply solutions for embedded systems, consumer electronics, and other applications requiring regulated power. Its TO-263 surface-mount package allows for integrated design solutions in compact circuits.

Equivalent

The LM2596SX-5 is a step-down (buck) voltage regulator. Equivalent products include:
1. XL4015: Offers similar functionality with higher current output.
2. MP1584: A compact alternative for lower power applications.
3. L78S05: A linear regulator with similar voltage output but different efficiency characteristics.
4. MC34063: Versatile for buck, boost, or inverting applications.
5. TPS54331: From Texas Instruments, similar features with higher efficiency.
Always verify electrical specifications for compatibility with your specific application.

Features

The LM2596SX-5 is a popular integrated switching voltage regulator. Here are its key features:
1. Output Voltage: Fixed at 5V.
2. Input Voltage Range: 7V to 40V.
3. Output Current: Up to 3A.
4. Efficiency: High efficiency, typically around 90%.
5. Switching Frequency: 150 kHz.
6. Dropout Voltage: Low dropout, allowing for efficient operation even in lower voltage conditions.
7. Thermal Shutdown: Protects the device from overheating.
8. Current Limit: Provides protection against overcurrent conditions.
9. On/Off Control: Offers an enable pin for controlling the device operation.
10. Package Options: Available in TO-220 and TO-263 packages for various application needs.
11. Low Standby Current: Efficient in power-saving modes.
12. Built-in Oscillator: Provides consistent performance with minimal external components.
These features make the LM2596SX-5 suitable for applications requiring efficient voltage conversion, such as battery-powered devices, power supplies, and distributed power systems.

Pinout

The LM2596SX-5 is a voltage regulator integrated circuit (IC) specifically designed for step-down (buck) conversion. It is part of the LM2596 series, and the "-5" denotes a fixed output voltage of 5 volts. This IC is commonly used in power management applications to efficiently convert higher input voltages to a stable 5V output for powering various components.
The LM2596SX-5 has a standard 5-pin package, typically in a TO-263 surface-mount form. Here is a brief description of its pin functions:
1. Vin (Pin 1): Input voltage pin where the unregulated input supply voltage is connected.
2. Output (Pin 2): The regulated output voltage pin provides a fixed 5V output.
3. Ground (GND) (Pin 3): Common ground pin for both input and output.
4. Feedback (Pin 4): Internally connected in the fixed version (no external feedback required), used in the adjustable version for setting output voltage.
5. On/Off (Pin 5): An optional pin used to enable or disable the regulator. Connecting it to ground turns the regulator on.
These pins allow the LM2596SX-5 to efficiently convert input voltages to a stable 5V output, suitable for various electronic applications.

Manufacturer

The LM2596SX-5 is manufactured by Texas Instruments (TI). Texas Instruments is a global semiconductor design and manufacturing company that develops analog integrated circuits and embedded processors. The company is headquartered in Dallas, Texas, and is known for its innovation in the electronics industry, providing essential components that serve a wide range of markets such as automotive, industrial, personal electronics, communications, and enterprise systems. Texas Instruments is recognized for its focus on research and development, fostering technological advancements and providing solutions that help create a smarter, more connected world.

Application

The LM2596SX-5 is a voltage regulator commonly used in applications requiring efficient step-down (buck) voltage conversion. Its primary application areas include:
1. Power Supply Units: Used in DC-DC power converters for various electronic devices.
2. Consumer Electronics: Powers devices like TVs, radios, and battery chargers.
3. Industrial Automation: Stabilizes voltage for industrial equipment.
4. Embedded Systems: Supplies stable voltage for microcontrollers and other components.
5. Communication Devices: Ensures reliable power for routers and modems.
6. Automotive Electronics: Used in automotive power systems for stable voltage supply.
Its efficiency and ease of use make it suitable for applications needing a reliable and compact power solution.

Package

The LM2596SX-5 is a fixed 5V output voltage version of the LM2596 series buck converter. It typically comes in a TO-263 surface-mount package, also known as the D²PAK. This package is designed to provide good thermal performance and is suitable for high-current applications.

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