MCP19119T-E/MQ

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MCP19119T-E/MQ is a highly integrated, low quiescent current, DC-DC switching controller with a switch current limit of up to 2 amps. The device enables a wide range of high-efficiency, low-cost, and highly integrated DC-DC solutions for power-constrained systems. It has been designed for use in a wide range of automotive, industrial, and consumer applications.MCP19119T-E/MQ voltage regulator features programmable output voltage and sense voltage range, internal compensation, input voltage range from 5 V to 28 V, adjustable current limit up to 2A, 0.5μA quiescent current, 95 dB PSRR, up to 95% efficiency, integrated oscillator and synchronous rectifier, and some preset default conditions. It is available in a low-profile automotive-qualified 6-pin TSOT package with enhanced thermal performance.

The working principle of MCP19119T-E/MQ is as follows. In the MCP19119T-E/MQ voltage regulator, a control circuit translates an analog control voltage into an on/off signal. The control circuit then turns on and off the power MOSFET switch based on the on/off signal. The current flow through the switch depends on the input and output voltage, the internal power losses, and the duty cycle set by the control circuit. The duty cycle determines how much power is transferred from the input to the output. When the duty cycle is low, less power is transferred from the input to the output and the output voltage is lowered. When the duty cycle is higher, more power is transferred from the input to the output, and the output voltage is raised. The current flowing through the switch is limited by a current-sensing resistor, which ensures that the switch does not overheat and fails.

The MCP19119T-E/MQ voltage regulator is designed to provide efficient, highly integrated DC-DC power solutions. It is ideal for automotive, industrial, and consumer applications such as Automotive DC-DC converters, laptops, tablets, and other applications that require low quiescent current and high efficiency. The device features adjustable output voltage, current limiting, and temperature protection functions to make it a more reliable and safer choice for use in demanding applications. Additionally, the device can also be synchronized with an external oscillator for use in dual-channel DC-DC converters.

The MCP19119T-E/MQ is a high-performance and reliable PMIC Voltage Regulators DC DC Switching Controllers with the ability to provide efficient and highly integrated power solutions. It features adjustable output voltage and current limiting, temperature protection, and synchronous rectifier, and integrates both the oscillator and synchronous rectifier. The device is ideal for a variety of automotive, industrial, and consumer applications and offers high efficiency, low quiescent current, and adjustable current limit up to 2 amps.

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