LMC7660IMX

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The LMC7660IMX is a DC-DC switching regulator from Texas Instruments used to convert power from one voltage to another. The main goal of this voltage regulator is to provide efficient, low noise and cost-effective power conversion solution. This voltage regulator is designed to take an input voltage from 5V to 25V and provide a 5V regulated output at up to 300mA. The LMC7660IMX is suitable for a wide range of applications, from battery powered electronics to automotive electronics. This voltage regulator is designed to provide a high level of protection and stability.

Application Field:

The LMC7660IMX is a high-performance switching voltage regulator that is suitable for a wide range of applications. This voltage regulator is used to provide high-quality regulated power to low-power devices such as cell phones, cameras, portable medical equipment, automotive electronics, and many other applications. The LMC7660IMX can also be used in noise sensitive applications such as digital cameras, video recorders, or digital audio players. This voltage regulator is a great solution for applications that require noise-free power.

Working Principle:

The LMC7660IMX is a pulse width modulation (PWM) based switching voltage regulator. The PWM control adjusts the duty cycle of the PWM cycle, controlling the output voltage. The cycle of the PWM is determined by the internal clock oscillator, which is adjusted to provide the required output voltage. The switching is done by the control logic, which controls the external field-effect transistor (FET). The FET is controlled to switch high and low to turn the power provided to the load on and off. During the off cycle, the inductor stores up energy. This energy is drawn off during the on cycle, providing a regulated voltage to the output. The switching frequency is adjustable using the external resistor, allowing the user to choose the appropriate frequency for the application.

The LMC7660IMX offers the user the ability to adjust the output voltage in a range of approximately 1V to 3.2V, with a minimum output current of 40µA. The minimum on-state resistance of the FET is typically 0.1 ohms. The internal clock oscillator frequency of the LMC7660IMX is adjustable from 500kHz to 2MHz, allowing the user to select the most efficient switching frequency for the application. The LMC7660IMX also features protection for over-voltage and under-voltage conditions.

Conclusion:

The LMC7660IMX is a high-performance switched mode voltage regulator designed for a wide range of applications. This voltage regulator is designed to provide high-quality regulated power to low-power devices. The LMC7660IMX features adjustable output voltage, adjustable PWM frequency, and over/under voltage protection. This voltage regulator is an ideal solution for powering noise-sensitive devices, providing highly reliable and efficient power conversion.

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