LM22675MRX-ADJ

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LM22675MRX-ADJ

Switching Voltage Regulators

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Description

The LM22675MRX-ADJ is a high-efficiency, adjustable output buck (step-down) regulator designed for a wide range of applications. It can deliver up to 3A of output current while operating with input voltages between 4.5V and 60V. The adjustable output voltage can be set between 1.22V and 55V, offering flexibility for various design needs.
Key features include built-in protection mechanisms such as thermal shutdown and overcurrent protection, which enhance reliability. The device operates with an integrated high-side MOSFET, minimizing external component count and simplifying the design process.
Its switching frequency can be set via an external resistor, enabling optimization for efficiency and size. The LM22675MRX-ADJ is suited for applications in automotive, industrial, and telecommunications, where efficient power management is critical. Its combination of power efficiency, adjustable voltage output, and robust protection features makes it a versatile choice for designers seeking reliable power solutions.

Features

The LM22675MRX-ADJ is an adjustable step-down (buck) voltage regulator designed for high efficiency and compact applications. Key features include:
1. Input Voltage Range: Supports a wide input range from 4.5V to 60V.
2. Output Voltage: Adjustable output voltage from 1.2V to 40V.
3. High Efficiency: Achieves up to 95% efficiency, reducing heat generation.
4. Current Capability: Delivers up to 1.5A output current.
5. Integrated Switch: Incorporates a high-side N-channel MOSFET for reduced component count.
6. Protection Features: Includes overcurrent protection, thermal shutdown, and undervoltage lockout.
7. Compact Package: Available in a thermally enhanced MSOP-10 package.
8. Frequency Operation: Operates at a switching frequency of 300 kHz, optimizing performance and reducing size of external components.
This regulator is suitable for various applications, including industrial, automotive, and consumer electronics, where size and efficiency are critical.

Package

The LM22675MRX-ADJ is packaged in a 7-pin TO-220 format. This package type facilitates efficient heat dissipation and is suitable for high-power applications.

Pinout

The LM22675MRX-ADJ is a step-down (buck) voltage regulator with a total of 8 pins. Its pin configuration and functions are as follows:
1. VIN: Input voltage supply (maximum 60V).
2. SW: Switching node connected to the inductor.
3. GND: Ground reference for the device.
4. COMP: Compensation network connection for stability.
5. FB: Feedback pin for voltage regulation (connect to a resistor divider for adjustable output).
6. NC: Not connected (no internal function).
7. EN: Enable pin to turn the regulator on or off.
8. SS: Soft-start pin to control the start-up time.
The LM22675MRX-ADJ is designed for adjustable output voltage applications, providing high efficiency and excellent transient response.

Manufacturer

The LM22675MRX-ADJ is manufactured by Texas Instruments (TI), a leading global semiconductor company. Founded in 1930, Texas Instruments designs and manufactures a wide range of electronic components, including analog, embedded processing, and digital signal processing solutions. The company is known for its innovation in the field of integrated circuits and microcontrollers, serving various industries such as automotive, industrial, communications, and consumer electronics. TI is recognized for its commitment to research and development, providing high-performance products and solutions to meet the needs of diverse applications.

Application

The LM22675MRX-ADJ is a DC-DC step-down (buck) regulator used in applications such as industrial power supplies, automotive electronics, consumer electronics, and telecommunications. It efficiently converts higher voltages to lower voltages, making it ideal for powering microcontrollers, sensors, and other low-voltage devices. Its adjustable output voltage feature allows for versatile use in various circuits requiring precise voltage regulation.

Equivalent

The LM22675MRX-ADJ is a step-down voltage regulator. Equivalent products include the LM2596, LM2675, and LMT8490. For more advanced alternatives, consider the TPS563202 or the LTC3780, which also offer adjustable output voltage and similar specifications. Always verify specific electrical characteristics to ensure compatibility for your application.

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