LTC3100EUD#PBF

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PMIC - Voltage Regulators - Linear + Switching

The LTC3100EUD#PBF is part of a family of low-power energy harvesters and dc-to-dc converters that can extract and convert energy from highly fluctuating power sources such as solar, thermoelectric, or vibration sources. The LTC3100EUD#PBF is a quick, and simple-to-implement solution to convert wide input voltage range to a stable regulated output voltage. The LTC3100EUD#PBF is designed to step up a wide input voltage range of 0.6 to 10V to a regulated output voltage of 1.2V – 5.5V with a maximum input current of 300mA and an output current of 2A while still consuming a low quiescent current. Additionally, the part is designed to minimize the external components by providing the user with tight circuits, to ensure a cost-effective solution. The LTC3100EUD#PBF utilizes a constant frequency, current-mode architecture with minimum external components. It does not require a Power-on reset or complicated programming, features that make it an attractive choice for a variety of energy storage applications. The low input quiescent current in shut-down mode of the LTC3100EUD#PBF provides ultra-low power operation, making it suitable for harvesting energy from low-power sources. It also features low RDS(on) in synchronous rectifier mode for additional efficiency for energy conversion. In terms of output protection, the LTC3100EUD#PBF provides short circuit protection with pulse-by-pulse current limit, as well as thermal protection with auto-restart. It also has a power-good indicator output that informs the system when the output is in regulation. In order to ensure improved performance and system reliability, the part also features an input voltage compliance monitor that reduces power loss when the input voltage is low. The working principle behind the LTC3100EUD#PBF is that it uses the capability of an inductor coupled to an input voltage to store energy. As the input voltage varies, the inductor charges up and creates a magnetic field, storing energy in the form of a current. The output voltage is then regulated using this current, resulting in a constant output voltage regardless of the input voltage. The LTC3100EUD#PBF is suitable for a wide range of applications such as solar/thermoelectric energy harvesting, backup power supplies, DC/DC converters, automotive, wearable devices, lighting, medical, and industrial applications. It is an easy-to-implement low-power solution with a wide input voltage range, high output current capability, PGOOD indication, and protection features.

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