LM3880MF-1AA

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The LM3880MF-1AA is a power supply controller, monitor and supervisor that offers regular power supply supervision, protection, and margin testing. It is a multi-purpose power supply controller based on a low power 8-bit microcontroller.

The LM3880MF-1AA features a wide input voltage range of 4.5V to 59V, a 1.5A/3A output current capability, adjustable device switch-on and off thresholds, allowing for precise control of power supply operations even in highly dynamic conditions, and a single I-Channel Low-Side Power MOSFET for overload, overvoltage and short circuit protection.

The LM3880MF-1AA also features advanced margining and voltage control capabilities. Its on-board precision voltage regulator allows the user to adjust voltage and current limits to ensure reliable power delivery. The device also monitors the temperature of the power system, detecting and logging any conditions that go beyond the specified limits and alerting the user if necessary. The LM3880MF-1AA also provides data and control communication to allow the user to remotely monitor and control the power system.

The LM3880MF-1AA is suitable for a wide range of applications, such as powering microcontrollers, voltage rails, DC-DC converters, power sequencing, and power monitoring and control. The device offers high accuracy, low quiescent current, and a wide input voltage range to meet the requirements of many power systems.

The LM3880MF-1AA features a start-up timer that permits a user to program the device for delay time for start-up applications. The device also features a low-power MOSFET that protects the rest of the system from potential overvoltage and overcurrent conditions. The device is optimized to reduce standby current consumption in order to save power in no-load conditions, with an indicator LED to indicate the operational status of the LM3880MF-1AA.

The LM3880MF-1AA also features an automatic voltage adjust feature that allows it to automatically adjust its output voltage in response to changes in input voltage or supply conditions. The device also has a maximum power rating of 1.5A/3A, an adjustable low/high current limit setting and adjustable over-current fault parameters.

In addition, the LM3880MF-1AA has integrated protection against overvoltage, overcurrent and short circuit. It also offers temperature sensing, enabling the device to monitor the operating temperature of power systems to protect them from thermally related overheat events. The device is rated for operation over a wide temperature range between –40°C and +125°C.

In conclusion, the LM3880MF-1AA is an advanced power supply controller, monitor and supervisor that offers regular power supply supervision, protection, and margin testing. Its wide input voltage range, high accuracy, low quiescent current make it an ideal choice for a wide range of applications, such as powering microcontrollers, voltage rails, DC-DC converters, power sequencing, and power monitoring and control. The device features an on-board precision voltage regulator, start-up timer, automatic voltage adjust, and a low-power MOSFET for protection. Its integrated protection features, temperature sensing capabilities and wide temperature range make the LM3880MF-1AA an ideal choice for a wide range of power supply applications.

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