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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 |
| Output Voltage | 1.285 V |
| Output Current | 500 mA |
| Number of Outputs | 1 Output |
| Input Voltage - Min | 4.5 V |
| Input Voltage - Max | 42 V |
| Switching Frequency | 400 kHz to 600 kHz |
| Type | Step Down |
概述
Description
The LM22674MRX-ADJ is a high-efficiency, step-down voltage regulator designed for industrial and automotive applications. It features a wide input voltage range of 4.5V to 60V and can deliver adjustable output voltages down to 1.2V while providing up to 3A of output current. This device utilizes a synchronous buck topology, which enhances efficiency, especially under light load conditions.
Key features include an adjustable output voltage, integrated high-side and low-side MOSFETs, built-in protection mechanisms such as thermal shutdown and output overcurrent protection, and an external compensation option for improved transient response. The LM22674MRX-ADJ operates over a temperature range of -40°C to +125°C, making it suitable for harsh environments.
Its small footprint and ease of integration into various designs make it a popular choice for powering microcontrollers, sensors, and other electronic devices while minimizing power loss and heat generation. Overall, it is an excellent solution for applications requiring reliable and efficient power management.
Key features include an adjustable output voltage, integrated high-side and low-side MOSFETs, built-in protection mechanisms such as thermal shutdown and output overcurrent protection, and an external compensation option for improved transient response. The LM22674MRX-ADJ operates over a temperature range of -40°C to +125°C, making it suitable for harsh environments.
Its small footprint and ease of integration into various designs make it a popular choice for powering microcontrollers, sensors, and other electronic devices while minimizing power loss and heat generation. Overall, it is an excellent solution for applications requiring reliable and efficient power management.
Equivalent
The LM22674MRX-ADJ is a step-down voltage regulator. Equivalent products include the LM2675, LM2596, and TPS54531, which also provide adjustable output voltage and similar specifications. Additionally, the MICREL MIC2211 and the Texas Instruments TPS563201 are comparable options, offering similar performance in terms of efficiency and output current capacity. Always verify specific parameters to ensure compatibility with your application.
Features
The LM22674MRX-ADJ is a high-performance adjustable step-down (buck) voltage regulator. Key features include:
1. Wide Input Voltage Range: Supports input voltages from 4.5V to 60V.
2. Output Voltage Adjustment: The output voltage can be set between 1.2V and 55V, offering flexibility for various applications.
3. High Efficiency: Achieves efficiency up to 95%, minimizing heat generation.
4. Integrated Switch: Includes a high-side N-channel MOSFET, simplifying design.
5. Current Limit Protection: Provides built-in current limit and thermal shutdown features to protect against overloads.
6. Compensation Network: Internal compensation simplifies design, reducing external component count.
7. Power Good Indicator: Includes a power good output to signal when the output voltage is within the specified range.
8. Soft-Start Feature: Reduces inrush current during startup, enhancing reliability.
9. Small Package Size: Available in an 8-pin MSOP package, suitable for space-constrained applications.
These features make the LM22674MRX-ADJ ideal for various applications including industrial, automotive, and consumer electronics.
1. Wide Input Voltage Range: Supports input voltages from 4.5V to 60V.
2. Output Voltage Adjustment: The output voltage can be set between 1.2V and 55V, offering flexibility for various applications.
3. High Efficiency: Achieves efficiency up to 95%, minimizing heat generation.
4. Integrated Switch: Includes a high-side N-channel MOSFET, simplifying design.
5. Current Limit Protection: Provides built-in current limit and thermal shutdown features to protect against overloads.
6. Compensation Network: Internal compensation simplifies design, reducing external component count.
7. Power Good Indicator: Includes a power good output to signal when the output voltage is within the specified range.
8. Soft-Start Feature: Reduces inrush current during startup, enhancing reliability.
9. Small Package Size: Available in an 8-pin MSOP package, suitable for space-constrained applications.
These features make the LM22674MRX-ADJ ideal for various applications including industrial, automotive, and consumer electronics.
Pinout
The LM22674MRX-ADJ is a step-down (buck) voltage regulator with a pin count of 8. Its primary functions include providing adjustable output voltage regulation, high efficiency, and integrated protection features.
The pinout is as follows:
1. VIN: Input voltage.
2. SW: Switch node connection to the inductor.
3. GND: Ground connection.
4. COMP: Compensation node for stability.
5. FB: Feedback pin for output voltage setting.
6. RUN: Enable pin to turn the regulator on or off.
7. SS: Soft-start pin for controlling the start-up time.
8. VOUT: Adjustable output voltage.
The LM22674MRX-ADJ is designed for applications requiring efficient power conversion, such as powering microcontrollers and other digital circuits.
The pinout is as follows:
1. VIN: Input voltage.
2. SW: Switch node connection to the inductor.
3. GND: Ground connection.
4. COMP: Compensation node for stability.
5. FB: Feedback pin for output voltage setting.
6. RUN: Enable pin to turn the regulator on or off.
7. SS: Soft-start pin for controlling the start-up time.
8. VOUT: Adjustable output voltage.
The LM22674MRX-ADJ is designed for applications requiring efficient power conversion, such as powering microcontrollers and other digital circuits.
Manufacturer
The LM22674MRX-ADJ is manufactured by Texas Instruments (TI), a prominent American technology company. Founded in 1930, Texas Instruments specializes in designing and manufacturing semiconductors and various integrated circuits. The company is well-known for its innovations in analog and embedded processing technologies, producing a wide range of products that serve multiple industries, including automotive, industrial, communications, and consumer electronics.
The LM22674MRX-ADJ is a high-performance step-down voltage regulator, designed for applications requiring efficient power conversion and regulation. Texas Instruments is recognized for its commitment to quality and innovation, making it a key player in the global semiconductor market. The company also provides extensive resources, including technical documentation and support, to assist engineers in developing reliable electronic solutions.
The LM22674MRX-ADJ is a high-performance step-down voltage regulator, designed for applications requiring efficient power conversion and regulation. Texas Instruments is recognized for its commitment to quality and innovation, making it a key player in the global semiconductor market. The company also provides extensive resources, including technical documentation and support, to assist engineers in developing reliable electronic solutions.
Application
The LM22674MRX-ADJ is a high-efficiency, adjustable linear voltage regulator primarily used in applications requiring low dropout voltage and high output current. Key application areas include point-of-load regulation in digital circuits, powering microcontrollers, RF amplifiers, and automotive electronics. It is suitable for battery-powered devices due to its low quiescent current, as well as for consumer electronics, industrial equipment, and telecommunications. Its versatility makes it ideal for applications needing precise voltage regulation and stable power supply in compact designs.
Package
The LM22674MRX-ADJ is packaged in a 5-lead SOT-23 (Small Outline Transistor) package. This compact surface-mount package is designed for space-saving in electronic applications.
