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規格
| 屬性 | 價值 |
| Brand | Texas Instruments |
| Product Type | Switching Voltage Regulators |
| Subcategory | PMIC - Power Management ICs |
| Mounting Style | SMD/SMT |
| Package / Case | PSOP-EP-8 |
| Minimum Operating Temperature | - 40 C |
| Maximum Operating Temperature | + 125 C |
| Tradename | SIMPLE SWITCHER |
| Height | 1.47 mm |
| Length | 4.9 mm |
| Width | 3.9 mm |
| Topology | Buck, Inverting |
| Output Voltage | 1.285 V |
| Output Current | 3 A |
| Number of Outputs | 1 Output |
| Input Voltage - Min | 4.5 V |
| Input Voltage - Max | 42 V |
| Switching Frequency | 500 kHz |
| Type | Inverting, Step Down |
概述
Description
The LM22673MRX-ADJ is a step-down (buck) voltage regulator designed for applications requiring efficient power conversion. It features an adjustable output voltage range from 1.2V to 15V, with a maximum output current of 3A, making it suitable for a variety of consumer and industrial applications.
The device operates with an input voltage range of 4.5V to 60V, ensuring versatility in different power supply scenarios. It incorporates a high-efficiency switching architecture that significantly reduces heat generation compared to linear regulators, enhancing overall system reliability.
Key features include integrated high-side and low-side switches, a built-in compensation network for simplified design, and protection mechanisms such as thermal shutdown and current limit. Additionally, it offers a frequency adjustable option, allowing for flexibility in optimizing performance based on specific circuit requirements.
Overall, the LM22673MRX-ADJ is ideal for applications in automotive electronics, telecommunications, and industrial power supplies, providing a robust solution for efficient voltage regulation.
The device operates with an input voltage range of 4.5V to 60V, ensuring versatility in different power supply scenarios. It incorporates a high-efficiency switching architecture that significantly reduces heat generation compared to linear regulators, enhancing overall system reliability.
Key features include integrated high-side and low-side switches, a built-in compensation network for simplified design, and protection mechanisms such as thermal shutdown and current limit. Additionally, it offers a frequency adjustable option, allowing for flexibility in optimizing performance based on specific circuit requirements.
Overall, the LM22673MRX-ADJ is ideal for applications in automotive electronics, telecommunications, and industrial power supplies, providing a robust solution for efficient voltage regulation.
Equivalent
Equivalent products to the LM22673MRX-ADJ include the LM2596, LM317, and LT1083. These alternatives provide adjustable output voltage and similar functionalities for power management applications. However, ensure to check specifications such as input voltage range, current rating, and thermal performance for compatibility in your specific design requirements.
Features
The LM22673MRX-ADJ is an adjustable step-down (buck) voltage regulator designed for efficient power conversion. Key features include:
1. Input Voltage Range: Supports a wide input voltage range from 4.5V to 60V, making it suitable for various applications.
2. Output Current: Capable of delivering up to 3A of output current.
3. Adjustable Output Voltage: The output voltage can be adjusted from 1.215V to 55V, providing flexibility for various requirements.
4. High Efficiency: Offers high efficiency, typically around 90%, which helps reduce heat generation and improve overall performance.
5. Built-in Protection Features: Includes over-voltage protection, under-voltage lockout, and thermal shutdown to ensure reliable operation.
6. Compact Design: Available in a thermally enhanced MxD package for space-constrained designs.
7. Simple Design: Requires minimal external components, simplifying the design process.
These features make the LM22673MRX-ADJ suitable for automotive, industrial, and consumer electronics applications.
1. Input Voltage Range: Supports a wide input voltage range from 4.5V to 60V, making it suitable for various applications.
2. Output Current: Capable of delivering up to 3A of output current.
3. Adjustable Output Voltage: The output voltage can be adjusted from 1.215V to 55V, providing flexibility for various requirements.
4. High Efficiency: Offers high efficiency, typically around 90%, which helps reduce heat generation and improve overall performance.
5. Built-in Protection Features: Includes over-voltage protection, under-voltage lockout, and thermal shutdown to ensure reliable operation.
6. Compact Design: Available in a thermally enhanced MxD package for space-constrained designs.
7. Simple Design: Requires minimal external components, simplifying the design process.
These features make the LM22673MRX-ADJ suitable for automotive, industrial, and consumer electronics applications.
Pinout
The LM22673MRX-ADJ is a step-down (buck) voltage regulator with a pin count of 8. It is designed to provide a regulated output voltage adjustable from 0.8V to 15V.
### Pin Functions:
1. VIN (Pin 1): Input voltage.
2. SW (Pin 2): Switch node for connecting to the inductor.
3. GND (Pin 3): Ground reference.
4. COMP (Pin 4): Compensation network connection.
5. VOUT (Pin 5): Output voltage.
6. ADJ (Pin 6): Voltage adjustment pin for setting output voltage.
7. CSN (Pin 7): Current sense negative input.
8. CSP (Pin 8): Current sense positive input.
The LM22673MRX-ADJ provides features such as high efficiency, low ripple, and built-in protection mechanisms, making it suitable for various applications requiring efficient power management.
### Pin Functions:
1. VIN (Pin 1): Input voltage.
2. SW (Pin 2): Switch node for connecting to the inductor.
3. GND (Pin 3): Ground reference.
4. COMP (Pin 4): Compensation network connection.
5. VOUT (Pin 5): Output voltage.
6. ADJ (Pin 6): Voltage adjustment pin for setting output voltage.
7. CSN (Pin 7): Current sense negative input.
8. CSP (Pin 8): Current sense positive input.
The LM22673MRX-ADJ provides features such as high efficiency, low ripple, and built-in protection mechanisms, making it suitable for various applications requiring efficient power management.
Manufacturer
The LM22673MRX-ADJ is manufactured by Texas Instruments (TI), a global semiconductor company headquartered in Dallas, Texas. Texas Instruments specializes in designing and manufacturing a wide range of electronic components, including analog and digital semiconductors, embedded processors, and other related products. The company is known for its innovation in the field of electronics, particularly in power management, microcontrollers, and signal processing. TI serves various industries, including automotive, industrial, communications, and consumer electronics, providing solutions that enable advanced technologies and applications. The LM22673MRX-ADJ is a step-down DC-DC converter, part of TI's extensive portfolio of power management solutions designed to optimize efficiency in electronic systems.
Application
The LM22673MRX-ADJ is a step-down voltage regulator primarily used in applications requiring efficient power management. Its key areas include:
1. DC-DC Converters: For converting higher voltages to lower regulated outputs in various electronic devices.
2. Consumer Electronics: Power supplies for devices like smartphones, tablets, and laptops.
3. Industrial Equipment: Used in automation and control systems for reliable power delivery.
4. Automotive Applications: Provides stable power for automotive electronics and sensors.
5. Telecommunications: For powering communication equipment and networking devices.
Overall, it is suitable for any application where efficient voltage regulation and power efficiency are critical.
1. DC-DC Converters: For converting higher voltages to lower regulated outputs in various electronic devices.
2. Consumer Electronics: Power supplies for devices like smartphones, tablets, and laptops.
3. Industrial Equipment: Used in automation and control systems for reliable power delivery.
4. Automotive Applications: Provides stable power for automotive electronics and sensors.
5. Telecommunications: For powering communication equipment and networking devices.
Overall, it is suitable for any application where efficient voltage regulation and power efficiency are critical.
Package
The LM22673MRX-ADJ is packaged in a 5-pin TSOT-23 package type. This surface-mount package is designed for efficient space utilization and thermal performance in electronic applications.
