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LM2596SX-5
+StücklisteSwitching Voltage Regulators
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HerstellerTexas Instruments
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Herstellerteil #LM2596SX-5
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Auf Lager23576
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Spezifikationen
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Übersicht
Description
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
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
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 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
Application
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.