LM22674QMR-5.0/NOPB

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The LM22674QMR-5.0/NOPB is part of a family of integrated circuits (IC) specifically designed for DC–DC switching regulators. It is used in a wide range of applications, such as powering the circuitry on computer motherboards and in portable devices. The IC provides a high level of integration, allowing for fast transient response, low output noise and low quiescent power dissipation.The LM22674QMR-5.0/NOPB is a pulse-width modulation (PWM) controller and a gate driver. The PWM control circuit within the IC compares the output voltage to an internal reference voltage to determine when to begin and end a switching cycle. The gate driver provides the necessary power to the external power MOSFET to switch it on and off.The LM22674QMR-5.0/NOPB is designed for switch-mode power supplies (SMPS) used in industrial, automotive and consumer electronics applications. It is commonly used to convert a single supply voltage into multiple regulated DC voltage outputs, or to convert a high voltage supply voltage into a lower voltage output voltage. It is also used in power conversion systems to directly convert DC-to-DC, or AC-to-DC, or both.The LM22674QMR-5.0/NOPB features a low gate charge rate, low voltage sensing accuracy, and current-mode PWM control. It has an input range of 5 volts to 30 volts, providing higher efficiency and power savings at lower voltage operation. It also has a built-in thermal protection circuit to detect over-temperature conditions and a over-voltage protection circuit for fault protection.The LM22674QMR-5.0/NOPB can operate from an external clock, allowing synchronous rectification for improved efficiency. The clock frequency can range from 250kHz to 1.2MHz, allowing for greater flexibility in circuit design. In addition, the IC supports a pulse-by-pulse current limit system for improved current limit accuracy and a pre-biased start-up circuit for start-up from lower voltage.The LM22674QMR-5.0/NOPB is RoHS compliant, contains no lead and is manufactured to be environmentally friendly. It is specified to provide a wide temperature range performance, making it suitable for many applications. It is available in a variety of packages and pin configurations.In summary, the LM22674QMR-5.0/NOPB offers a wide range of features, making it an excellent choice for DC-DC switching regulator applications. It offers fast transient response, low output noise, low quiescent power consumption, and low voltage sensing accuracy. Additionally, it is RoHS compliant and small footprint and available in a wide range of packages and pin configurations.

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