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LM22672MRX-ADJ
+BOMSwitching 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 #LM22672MRX-ADJ
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在庫状況8997
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
The device operates over an input voltage range of 4.5V to 42V, providing flexibility for different power sources. It features an adjustable output voltage, which can be set using external resistors, allowing for a wide range of output voltages to suit specific application needs.
Key features include a high switching frequency of 500 kHz, which helps in reducing the size of external components, and a low dropout voltage, enhancing efficiency. It also includes built-in protection features like thermal shutdown, cycle-by-cycle current limiting, and an under-voltage lockout to ensure reliable operation.
The LM22672MRX-ADJ is commonly used in industrial, automotive, and consumer electronics where space-saving and power efficiency are critical.
Equivalent
1. LM2672 series from Texas Instruments.
2. LT1767 from Analog Devices.
3. MIC4680 from Microchip Technology.
4. L4973 series from STMicroelectronics.
These alternatives should be checked for specific application requirements such as input voltage range, output current, and efficiency to ensure compatibility.
Features
1. Adjustable Output Voltage: It offers an adjustable output range, allowing flexibility in applications requiring specific voltage levels.
2. Wide Input Voltage Range: It supports a broad input voltage range, typically from about 4.5V to 42V, catering to various power sources.
3. Efficiency: The device is designed for high efficiency, often exceeding 90%, which minimizes power loss and heat generation.
4. Switching Frequency: It operates at a fixed switching frequency, contributing to the compactness of the design and reducing the size of external components.
5. Current Capability: The regulator can deliver output currents up to 3A, suitable for medium-power applications.
6. Protection Features: It includes built-in protection mechanisms such as overcurrent protection, thermal shutdown, and undervoltage lockout to enhance reliability.
7. Package: The LM22672MRX-ADJ is available in a thermally enhanced, surface-mount package, making it suitable for compact circuit designs.
These features make it ideal for applications in automotive, industrial, and general-purpose power supply designs.
Pinout
1. SW (Switch): Connects to the inductor. It is the output of the internal switch.
2. VIN (Input Voltage): Power supply input for the regulator.
3. EN (Enable): A logic input that enables the device when pulled high.
4. FB (Feedback): Connects to the output voltage divider to set the desired output voltage.
5. COMP (Compensation): Used for stability and transient response optimization. Connects to an external compensation network.
6. GND (Ground): Ground reference for the circuit.
7. BP (Bypass): Bypass capacitor connection for the internal voltage regulator.
8. SS/TR (Soft Start/Track): Used to control the soft start or tracking features.
These pins are essential for configuring the device, setting the output voltage, and ensuring proper operation within your circuit.
Manufacturer
Application
1. Embedded Systems: Providing stable power supply to microcontrollers and peripherals.
2. Telecommunications: Powering networking equipment and communication devices.
3. Industrial Automation: Used in control systems and sensors for consistent power delivery.
4. Automotive Systems: Suitable for powering infotainment systems and electronic control units.
5. Consumer Electronics: Used in devices like set-top boxes, printers, and monitors to ensure efficient power conversion.
Its versatility and efficiency make it ideal for applications requiring reliable power regulation.