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LM2576T-ADJG
+StücklisteIC REG BUCK ADJ 3A TO220-5
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HerstellerOnsemi
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Herstellerteil #LM2576T-ADJG
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Spezifikationen
| Attribut | Wert |
| Part Status | Active |
| Function | Step-Down |
| Output Configuration | Positive or Negative |
| Topology | Buck |
| Output Type | Adjustable |
| Number of Outputs | 1 |
| Voltage - Input (Min) | 7V |
| Voltage - Input (Max) | 40V |
| Voltage - Output (Min / Fixed) | 1.23V |
| Voltage - Output (Max) | 37V |
| Current - Output | 3A |
| Frequency - Switching | 52kHz |
| Synchronous Rectifier | No |
| Operating Temperature | -40°C ~ 125°C (TJ) |
| Mounting Type | Through Hole |
| Package / Case | TO-220-5 |
| Supplier Device Package | TO-220-5 |
| Base Product Number | LM2576 |
Übersicht
Description
The LM2576T-ADJG operates at a fixed switching frequency of 52 kHz, which helps reduce the size of external components like inductors and capacitors. It also features thermal shutdown, current limiting, and an efficient design that minimizes heat generation, ensuring reliable performance in demanding conditions. The TO-220 package is commonly used for its ease of mounting and thermal management capabilities. Overall, the LM2576T-ADJG is ideal for applications requiring efficient power conversion with adjustable output voltage.
Equivalent
1. LM2596T-ADJ: Another adjustable step-down regulator from Texas Instruments.
2. MC34063A: A versatile and widely-used DC-DC converter IC.
3. L4971: A 1.5A step-down regulator by STMicroelectronics.
4. XL4015: A 5A DC-DC buck converter by XLSEMI.
When choosing a replacement, ensure that the specifications such as input/output voltage range, output current, and efficiency match your requirements.
Features
1. Output Current: Capable of delivering up to 3A of output current.
2. Adjustable Output Voltage: Provides an adjustable output voltage, making it adaptable for various applications.
3. Wide Input Voltage Range: Operates with an input voltage range from 4V to 40V, supporting a broad array of input sources.
4. Efficiency: Offers high efficiency, typically around 77% to 88%, reducing power losses and heat generation.
5. Fixed Switching Frequency: Utilizes a fixed switching frequency of 52 kHz, ensuring stable performance.
6. Protection Features: Includes overcurrent and thermal protection, enhancing reliability and safety.
7. Low External Component Count: Designed for simplicity, requiring minimal external components for operation.
8. TO-220 Package: Encased in a TO-220 package, which provides good thermal performance and ease of handling.
These features make the LM2576T-ADJG suitable for a wide variety of applications, including battery chargers, distributed power systems, and industrial automation.
Pinout
Here is a brief description of its pins:
1. VIN: Input voltage pin. It receives the input voltage that needs to be regulated.
2. Output: This pin provides the regulated output voltage.
3. Ground (GND): Ground connection for the device.
4. Feedback (FB): Used to set the output voltage by connecting to a resistor divider network.
5. ON/OFF: An enable pin that can be used to turn the regulator on or off. When connected to ground, the regulator is enabled.
The LM2576T-ADJG is specifically the adjustable version of the LM2576 series, allowing the user to set the desired output voltage through external resistors.