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LM2576SX-12
+StücklisteIC REG BUCK 12V 3A TO263-5
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HerstellerTexas Instruments
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Herstellerteil #LM2576SX-12
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Paket TO-263-6
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Auf Lager5183
365 Tage Qualitätsgarantie
7*24 Stunden-Servicegarantie
90-Tage Kundendienstgarantie
Originalproduktgarantie
Spezifikationen
| Attribut | Wert |
| Package | Tape & Reel (TR) |
| Series | SIMPLE SWITCHER® |
| ProductStatus | Obsolete |
| Function | Step-Down |
| OutputConfiguration | Positive |
| Topology | Buck |
| OutputType | Fixed |
| NumberofOutputs | 1 |
| Voltage-Input(Min) | 4V |
| Voltage-Input(Max) | 40V |
| Voltage-Output(Min/Fixed) | 12V |
| Current-Output | 3A |
| Frequency-Switching | 52kHz |
| SynchronousRectifier | No |
| OperatingTemperature | -40°C ~ 125°C (TJ) |
| MountingType | Surface Mount |
| Package/Case | TO-263-6, D²Pak (5 Leads + Tab), TO-263BA |
Übersicht
Description
The device offers features like a low standby current, thermal shutdown, and current limiting to ensure reliability and protect against overloads. The LM2576SX-12 is available in a TO-263 surface-mount package, which aids in efficient thermal management. It is widely used in power management for applications that require efficient step-down voltage conversion, such as battery chargers, automotive power systems, and distributed power systems.
Equivalent
1. LM2596-12: A similar step-down voltage regulator with the same output voltage.
2. L4971: A step-down switching regulator with comparable functionality.
3. MC34063: A versatile DC-DC converter that can perform step-down operations.
4. L78S12: A linear voltage regulator that can be used for similar applications, though less efficient.
5. XL4012: A high-efficiency step-down converter module.
Always verify the specifications to ensure compatibility with your specific application.
Features
Additional features include:
1. Wide Input Voltage Range: Operates from 4V to 40V, suitable for a variety of applications.
2. Low Quiescent Current: Helps extend battery life in portable applications.
3. Thermal Shutdown: Protects the device from damage due to overheating.
4. Current Limiting: Prevents output overloads by limiting the current output.
5. Requires Minimal External Components: Simplifies the design and reduces cost.
6. TTL Shutdown Capability: Allows the regulator to be turned off by a logic signal, reducing power consumption.
These features make the LM2576SX-12 ideal for a wide range of applications, including power supplies for industrial, automotive, and consumer electronic devices.
Pinout
1. Pin 1 (VIN): Input voltage pin. This is where the unregulated input voltage is applied.
2. Pin 2 (Output): Output voltage pin. This pin provides the regulated 12V output.
3. Pin 3 (Ground): Common ground pin. It serves as the electrical ground reference.
4. Pin 4 (Feedback): This pin is used for voltage feedback to maintain output voltage regulation. It senses the output voltage and feeds it back to the internal comparator.
5. Pin 5 (ON/OFF): This pin can be used to turn the regulator on and off. A low voltage turns the regulator on, and a high voltage turns it off.
The LM2576 is typically used in power supply applications where efficient voltage conversion and regulation are required.
Manufacturer
Application
1. Power Supply Solutions: Used in regulated power supplies for electronic circuits.
2. Industrial Equipment: Provides power regulation in industrial control systems.
3. Consumer Electronics: Powers devices such as LCD monitors, TVs, and other appliances.
4. Battery-Powered Devices: Extends the battery life by efficiently managing power.
5. Embedded Systems: Supplies regulated voltage to microcontrollers and processors.
6. Automotive Electronics: Used in automotive power systems for voltage conversion.
These applications benefit from the LM2576SX-12's efficiency, simplicity, and ability to handle up to 3A output current.