MCP19118T-E/MJVAO

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The MCP19118T-E/MJVAO is a part of the PMIC – Voltage Regulators – DC DC Switching Controllers family. This device is a highly efficient system on-chip switching regulator used for step-down DC-DC conversion. The device offers a 8-bit digital interface for configuration and is fully integrated into a single, low-cost and low-power package.MCP19118T-E/MJVAO is a high efficiency and high switching frequency power management device suited for applications where a fast and efficient DC-DC conversion is essential. The device is optimized for applications that require high integration, high efficiency, and compact size. It utilizes current mode architecture with on-chip compensation, allowing it to operate over wide supply voltages and load conditions.

The MCP19118T-E/MJVAO delivers a wide range of adjustable output voltages and offers a low quiescent current, allowing power saving when connected to the main battery. The device is implemented with an advanced sleep-mode that allows the operating current to be reduced during rest periods. The device also offers OVP, OCP and thermal shutdown for protection. The device also features a new low on time protection and a power good indicator to ensure correct operation of the output voltage.

The MCP19118T-E/MJVAO is suitable for a wide range of DC-DC applications such as battery powered mobile, portable electronics, automotive systems, computing, peripherals and telecom products. The device is designed for applications that require high efficiency, low noise, fast transient response, and ultra-low quiescent current.

The working principle of the MCP19118T-E/MJVAO is based on the current mode switching regulator architecture. This architecture has improved efficiency compared with voltage mode topologies, such as the flyback and buck. This device is controlled by an 8-bit digital interface, allowing for a wide range of adjustable output voltages and output current limits. The VOUT can be monitored with the power good indicator, the ON/OFF pin, or through a I2C/SPI communication.

The MCP19118T-E/MJVAO includes an internal high-side switch and employs a fixed-frequency current modulated PWM conversion scheme. The high-side switch current limit, the overvoltage protection level, the switching frequency, the power-up sequence timing, or the power-down sequence timing can be adjusted via the I2C/SPI interface.

The MCP19118T-E/MJVAO operates over a wide range of supply voltages and offers 3.2V to 18V adjustable input voltage range. The device operates at a switching frequency of up to 2.2MHz, allowing it to achieve high efficiency at a small form factor. The device provides constant voltage control, current Mode regulation, and Low dropout voltage regulation. The device also supports a dual synchronous rectifier output configuration for highest possible efficiency.

The MCP19118T-E/MJVAO also features an Over Voltage Protection (OVP) and over current protection (OCP). The OVP prevents the output voltage from exceeding an adjustable threshold. The OCP feature protects the device from generating excessive output currents. The device also has a thermal shutdown feature that provides a necessary protection from an excessive temperature of the device.

The MCP19118T-E/MJVAO is a highly integrated and highly efficient switching regulator suitable for a wide range of DC-DC applications. The device is fully integrated into a single, low-cost and low-power package and offers a wide range of output voltages and current limits. The device also provides an advanced sleep-mode, Over Voltage Protection (OVP), Over Current Protection (OCP), and thermal protection to ensure reliable operation. The device utilizes a fixed-frequency current modulated PWM conversion scheme and a dual synchronous rectifier output configuration for highest possible efficiency. The device is optimized for applications that require high integration, high efficiency, and compact size.

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