LM2574-3.3BN
- Mfr.Part #
- LM2574-3.3BN
- Manufacturer
- Microchip Technology
- Package / Case
- 8-DIP (0.300, 7.62mm)
- Datasheet
- Download
- Description
- IC REG BUCK 3.3V 500MA 8DIP
- Stock
- 30,340
- In Stock :
- 30,340
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- Manufacturer :
- Microchip Technology
- Product Category :
- Voltage Regulators - DC DC Switching Regulators
- Moisture Sensitivity Level (MSL) :
- 3 (168 Hours)
- Voltage - Output (Min/Fixed) :
- 3.3V
- Mounting Type :
- Through Hole
- Packaging :
- Tube
- Supplier Device Package :
- 8-PDIP
- Output Type :
- FIXED
- Output Configuration :
- Positive
- Current - Output :
- 500mA
- Package / Case :
- 8-DIP (0.300, 7.62mm)
- Topology :
- Buck
- Synchronous Rectifier :
- No
- Operating Temperature :
- -40°C~125°C TJ
- RoHS Status :
- Non-RoHS Compliant
- Frequency - Switching :
- 52kHz
- Number of Outputs :
- 1
- Function :
- Step-Down
- Voltage - Input (Max) :
- 40V
- Datasheets
- LM2574-3.3BN

Voltage Regulators - DC DC Switching Regulators by Microchip Technology LM2574-3.3BN Overview
The LM2574-3.3BN from Microchip Technology is a highly efficient, monolithic integrated circuit designed for voltage regulation. This regulator facilitates a seamless conversion of higher voltage to a stable 3.3V output with a robust output current capacity of 500 mA. Engineered for simplicity and exceptional reliability, this device integrates a fixed-frequency oscillator, a precision reference, and a high-current output switch, thereby reducing the number of external components typically required. The simplicity of the design and its compact 8-pin DIP package make the Voltage Regulators - DC DC Switching Regulators by Microchip Technology LM2574-3.3BN an excellent choice for space-conscious applications where efficiency is paramount.
LM2574-3.3BN Features
This voltage regulator features a wide input voltage range from 8V to 40V, which allows flexibility across various power supplies and applications. Its high efficiency of up to 90%, achieved through a simple external circuitry, helps in reducing thermal dissipation and improves overall system robustness. The LM2574-3.3BN also incorporates thermal shutdown and current limiting, providing essential protection against overload and excessive temperature conditions.
LM2574-3.3BN Applications
- Consumer Electronics: Utilized in powering low-voltage digital circuits in devices such as televisions and audio systems, ensuring stable operation and extended lifespan.
- Portable Devices: Ideal for battery-operated gadgets like handheld GPS units, where consistent and efficient power supply is crucial for optimal performance.
- Telecommunication Equipment: Provides regulated voltage supply in telecom infrastructure, supporting reliable communications and data transmission.
- Automotive Electronics: Used in vehicle-based systems to convert battery voltage into stable supply for sensors and microcontrollers, enhancing vehicle reliability and safety.
- Industrial Systems: Employs in factory automation equipment, offering the necessary power stability for sensors and PLCs in harsh industrial environments.
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