MIC261203YJL-TR

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MIC261203YJL-TR is a DC/DC synchronous buck converter with integrated low RDS(ON) switches belonging to the PMIC – voltage regulators – DC DC switching regulators category. With its fast transient response and ultra-high efficiency rate, it is widely used in multiple power supply design applications.

The MIC261203YJL-TR provides excellent regulation and dynamic performance. This device has an adjustable soft-start, output voltage tracking, smooth response to transient conditions, and accurate current sensing. It is capable of displaying output power, voltage, current, and temperature information. The device can be used to provide a wide range of input and output voltage ratios, allowing it to be used in several different power supply applications.

In terms of its working principle, MIC261203YJL-TR follows the classic buck converter architecture and operates on PWM (Pulse-Width Modulation) control. Five PMOS transistors make up the right-hand side of the converter, and one NPN transistor makes up the left-hand side.

The PWM control works by sensing the output voltage and then changing the duty cycle of the switching waveform in order to make sure that the output voltage is at the desired level. To achieve this, the switching waveform must be controlled such that the NPN transistor is in an ON-state for an extended period of time, allowing the input voltage to be extracted from the input power source. The transistor is then turned OFF for a shorter period of time, allowing the output voltage to be set.

In situations where the load is light, the output voltage will drop below the desired level. To compensate for this, the PWM control mechanism increases the duty cycle of the signal so that the NPN transistor is ON for longer, allowing the input voltage to be fully utilized.

The MIC261203YJL-TR is best suited for applications that require precise control of the output voltage and precise current sensing. Its typical applications include computing systems, instrumentation and data acquisition equipment, display monitors, multi-phase converters and other power conversion applications.

In such applications, the MIC261203YJL-TR ensures excellent transient and dynamic performance, ensuring fast and precise control of the output voltage and current. Its wide input voltage range and adjustable soft-start, coupled with its efficient performance make it ideal for many power supply applications.

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