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LM2574N-5G
+БОМIC REG BUCK BOOST 5V 500MA 8PDIP
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ПроизводительОнсеми
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Мфр. Часть #LM2574N-5G
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Лист данных LM2574N-5G DataSheet
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В наличии8685
365 Дни гарантии качества
7*24 часы обслуживания каранти
90-гарантия послепродажного дня
Гарантия подлинного продукта
Спецификации
| Атрибут | Ценность |
| Part Status | Active |
| Function | Step-Up, Step-Down, Step-Up/Step-Down |
| Output Configuration | Positive or Negative |
| Topology | Buck, Boost, Buck-Boost |
| Output Type | Fixed |
| Number of Outputs | 1 |
| Voltage - Input (Min) | 4.75V |
| Voltage - Input (Max) | 40V |
| Voltage - Output (Min / Fixed) | 5V |
| Current - Output | 500mA |
| Frequency - Switching | 52kHz |
| Synchronous Rectifier | No |
| Operating Temperature | -40°C ~ 125°C (TJ) |
| Mounting Type | Through Hole |
| Package / Case | 8-DIP (0.300", 7.62mm) |
| Supplier Device Package | 8-PDIP |
| Base Product Number | LM2574 |
Обзор
Description
Key features of the LM2574N-5G include a 500mA output current capability, a high efficiency of up to 88%, and a fixed switching frequency of 52 kHz, which helps minimize external component size. It also incorporates thermal shutdown, current limiting, and an ON/OFF capability for efficient power management.
This regulator is ideal for applications needing a stable 5V output, such as power supplies in consumer electronics, automotive systems, and industrial control systems. Its DIP package format makes it easy to integrate into a variety of circuit designs. Overall, the LM2574N-5G provides a cost-effective and reliable solution for DC-DC conversion needs.
Equivalent
1. LM2594-5.0 by Texas Instruments
2. MC34063A by ON Semiconductor
3. L4973V5.1 by STMicroelectronics
4. NCP3063 by ON Semiconductor
These alternatives offer similar functionality, with potential differences in specifications like output current, package type, and efficiency. Always verify compatibility with your specific application requirements.
Features
1. Fixed Output Voltage: Delivers a stable 5V output.
2. Wide Input Voltage Range: Operates efficiently across a wide range of input voltages, typically from 7V to 40V.
3. Efficiency: Offers high efficiency, reducing heat output and power consumption.
4. Output Current: Capable of driving up to 500 mA load current.
5. Operating Frequency: Has a fixed switching frequency of approximately 52 kHz.
6. Adjustable Versions Available: Can be configured for different output voltages with external resistors.
7. Thermal Shutdown: Protects the device from overheating.
8. Current Limiting: Includes built-in protection against overcurrent conditions.
9. Low Standby Current: Reduces power consumption when the device is not actively regulating.
10. Easy to Use: Minimal external components required, simplifying design and reducing costs.
These features make the LM2574N-5G suitable for a variety of applications that require efficient voltage regulation and reliability.
Pinout
1. Pin 1 (Vin): Input supply voltage. It accepts the higher input voltage that needs to be regulated down to 5V.
2. Pin 2 (Output): The regulated 5V output voltage is provided at this pin.
3. Pin 3 (Ground): Common ground connection for the input and output, serving as the return path for the current.
4. Pin 4 (Feedback): While this pin is internally connected for fixed output versions like the LM2574N-5G, it is used for feedback in adjustable versions to set the output voltage.
5. Pin 5 (ON/OFF): This pin can be used to enable or disable the regulator. Connecting it to ground turns the regulator on, while a high logic level turns it off.
6. Pins 6, 7, 8 (NC - No Connect): These pins are typically not connected internally, providing no functional role.
This configuration ensures efficient voltage regulation with minimal external components.
Manufacturer
Application
1. Embedded Systems: Provides regulated power for microcontrollers and processors.
2. Consumer Electronics: Powers devices like set-top boxes and handheld gadgets.
3. Industrial Automation: Supplies power to sensors and control systems.
4. Automotive: Powers dashboard electronics and infotainment systems.
5. Telecommunications: Used in networking equipment and base stations.
6. Battery-Powered Devices: Extends battery life in portable electronics.
7. LED Drivers: Regulates power for LED lighting solutions.
Its low component count and ease of design make it suitable for a wide range of applications where efficient and reliable power conversion is critical.