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Switching Voltage Regulators
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HerstellerTexas Instruments
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Herstellerteil #LM22675MRX-5.0
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Auf Lager22624
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Spezifikationen
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Übersicht
Description
This regulator can deliver up to 1.5A of output current with high efficiency thanks to its integrated N-channel MOSFET. The device features a switching frequency of 500 kHz, which helps in minimizing the size of external components, thereby saving board space.
Key features include a wide input voltage range, thermal shutdown protection, cycle-by-cycle current limiting, and an enable pin for easy control of power sequencing. Its TO-263 package facilitates heat dissipation, making it ideal for applications requiring reliable performance in thermally demanding environments. The LM22675MRX-5.0 is a robust, flexible solution for engineers looking to integrate efficient step-down power regulation in their designs.
Equivalent
Features
1. Output Voltage: Fixed 5.0V output with high accuracy.
2. Input Voltage Range: Wide input voltage range from 4.5V to 42V, suitable for various applications.
3. Output Current: Capable of delivering up to 1.5A continuous output current.
4. Efficiency: High efficiency across load conditions, optimizing power consumption.
5. Switching Frequency: Operates at a fixed 500 kHz switching frequency, allowing for smaller external components.
6. Thermal Performance: Excellent thermal performance with thermal shutdown protection to safeguard against overheating.
7. Current Limit Protection: Features cycle-by-cycle current limit protection to prevent damage from overload.
8. Soft Start: Built-in soft-start function to minimize inrush current during startup.
9. Package: Available in a thermally enhanced 8-pin SOIC package, suitable for space-constrained designs.
10. Applications: Ideal for use in industrial, automotive, and consumer electronics that require efficient power conversion.
These features make the LM22675MRX-5.0 a reliable choice for a variety of power supply applications.
Pinout
The LM22675MRX-5.0 comes in a 16-pin HTSSOP (Heat-Sink Thin Shrink Small Outline Package). The key features of this regulator include a wide input voltage range, a fixed 5.0V output voltage, and a current capability of up to 1.0A, making it suitable for various applications such as powering microcontrollers, sensors, and other electronics.
The pin functions typically include:
- Input voltage (Vin)
- Ground (GND)
- Feedback (FB) for adjustable versions
- Enable (EN) for enabling/disabling the device
- Compensation (COMP) for stabilizing the feedback loop
- Switch node (SW) connected to the inductor
- Output voltage (Vout)
- Bootstrap (BST) for high-side gate drive boost
For precise pin assignments and detailed functionality, refer to the specific datasheet provided by Texas Instruments.
Manufacturer
Application
1. Consumer Electronics: Powers devices like televisions and home appliances.
2. Industrial Automation: Used in control systems and factory automation equipment.
3. Telecommunications: Powers networking and communication devices.
4. Automotive Systems: Used in infotainment systems and electronic control units.
5. Embedded Systems: Provides stable power for microcontrollers and processors in various embedded applications.
Its efficiency and reliability make it suitable for any application requiring a consistent 5.0V output from a higher voltage input.