MCP1631V-E/SS

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A DC DC switching controller, such as the MCP1631V-E/SS, is a type of power management integrated circuit (PMIC) used to control voltage regulators. The MCP1631V-E/SS is a CMOS-based chip designed for use in high-efficiency, high-density, cell-phone and digital systems. It provides a high-speed, high-fidelity, master/slave architecture for precision control of DC-DC step-down and inverting topologies.

The MCP1631V-E/SS provides the intelligence and control signal needed for the efficient operation of a DC-DC switching power supply. It is designed to support a wide range of switching power supply topologies, from conventional buck- and flyback-based designs to high-frequency low-voltage bias. It can also be used as a passive load switch or as part of a pulse-width modulation (PWM) system.

The MCP1631V-E/SS offers a wide operating voltage range, up to 28V, low quiescent current and low standby current, and operates at temperatures up to +125°C. It is available in a small, 8-pin SOT-23 package and has a set of flexible features that can be used to optimize system cost and operation. The MCP1631V-E/SS also features a low enable and disable ramp time of 1µs, which ensures fast response to transient application requirements.

The MCP1631V-E/SS is designed for a wide range of applications, including low-voltage DC-DC converters, battery chargers, and display power supplies, but can also be used for other power converters. In battery charger applications, it can be used for point-of-load converters in computers, cell phones, and other handheld electronic devices where maximized efficiency, minimized space, and minimal maintenance are desired. It can also be used for multi-output, low-voltage DC-DC converters, LED lighting applications, and as an inverter with a high-efficiency resonant switching architecture.

The MCP1631V-E/SS works in a master/slave system, which is based on a split-gate technology and consists of a master module and a slave module, each with its own set of input and output pins. The master provides the control signal to the slave, which in turn provides the actual switching. The master module is configured with internal programmable settings, while the slave module is controlled by external signals, such as enable and enable/disable logic signals. The internal state and timing of the master module is regulated by external logic signals.

The MCP1631V-E/SS is designed to provide fast response times, high efficiency, and minimal EMI and RFI susceptibility. It is also designed for advanced applications, such as digitally controlled non-isolated power supplies and synchronous rectified buck converters. Additionally, it supports a wide range of output voltage and current ranges, from a few millivolts to tens of volts and from microamps to tens of amps.

The MCP1631V-E/SS is a versatile PMIC that is suitable for a wide range of applications, such as low-voltage DC-DC converters, battery chargers, display power supplies, multi-output low-voltage DC-DC converters, LED lighting applications, and synchronous rectified buck converters. It has a wide operating voltage range, low quiescent and standby current requirements, high-speed, high-fidelity master/slave architecture, and great response time. It is available in an 8-pin SOT-23 package and is ideal for use in high-efficiency, high-density, cell-phone and digital systems.

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