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Switching Voltage Regulators
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メーカーSTマイクロエレクトロニクス
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メーカー品番 #LM22674MRX-5.0
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在庫状況10191
365 日間品質保証
7*24 日間の品質保証
90-時間単位のサービス保証
1日間のアフターサービス保証
仕様
| 属性 | 値 |
概要
Description
It integrates a 42V N-channel MOSFET switch, minimizing external components and simplifying the design process. The LM22674MRX-5.0 also features protection mechanisms like thermal shutdown, current limiting, and overvoltage protection, enhancing its reliability in adverse conditions. Additionally, it offers a high switching frequency, allowing for smaller output inductors and capacitors, which reduces overall solution size and cost.
This regulator is available in a thermally enhanced, 8-pin SO PowerPAD package, which provides efficient heat dissipation. Its combination of compact size, efficiency, and protection features makes it a versatile choice for designers looking to implement a stable 5V power supply.
Equivalent
1. LM2675-5.0 - A 1A, step-down regulator from Texas Instruments.
2. L4971 - A 1.5A, switching regulator from STMicroelectronics.
3. MC34063 - A versatile, low-power step-down regulator from ON Semiconductor.
4. LM2575T-5.0 - A 1A, 5V step-down regulator from Texas Instruments.
Ensure compatibility in terms of input voltage, output current, and package type when selecting an equivalent.
Features
1. Output Voltage: It provides a fixed output voltage of 5.0V, suitable for a variety of electronic applications.
2. Input Voltage Range: Operates efficiently with an input voltage range from 4.5V to 42V, making it versatile for different power sources.
3. Output Current: Capable of delivering up to 500mA of output current, supporting moderate load requirements.
4. Efficiency: Offers high efficiency, minimizing power loss and heat generation, which is ideal for energy-sensitive applications.
5. Switching Frequency: Features a fixed switching frequency of 500kHz, enabling smaller external components and compact designs.
6. Thermal Shutdown: Includes thermal shutdown protection to prevent damage from overheating.
7. Current Limit: Integrated current limit protection enhances reliability by safeguarding against excessive output current.
8. Soft-Start: Built-in soft-start functionality reduces inrush current during power-up.
9. Package: Available in a thermally-enhanced SOIC-8 package, ensuring good thermal performance in compact spaces.
These features make it a suitable choice for applications requiring reliable step-down voltage regulation and efficiency.
Pinout
1. SW: Switch Pin
2. BST: Bootstrap Capacitor Connection
3. VIN: Input Voltage
4. GND: Ground
5. FB: Feedback, connected internally for fixed output
6. RCP: Re-Circulating Current Protection
7. SS/TR: Soft Start/Tracking Pin
8. COMP/SD: Compensation/Shutdown Pin
9. NC: No Connection
10. VCC: Internal Bias Regulator Output
11. RT/SD: Resistor Timing/Shutdown Pin
12. NP: No Pin
13. EN: Enable Pin
14. PGOOD: Power Good Indicator
15. NC: No Connection
16. NC: No Connection
The LM22674MRX-5.0 offers efficient power regulation with protection features suitable for various applications.
Manufacturer
Application
1. Industrial Automation: Used in control systems for stable power supply.
2. Consumer Electronics: Powers devices requiring reliable voltage regulation.
3. Automotive Systems: Provides efficient power management in vehicular electronics.
4. Telecommunications: Supports power supply in communication devices and infrastructure.
5. Embedded Systems: Ensures consistent power delivery to microcontrollers and sensors.
6. LED Lighting: Regulates power supply to LEDs for efficient illumination.
Its high efficiency and wide input voltage range make it suitable for various demanding environments.