LTC3859AMPFE#PBF

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The LTC3859AMPFE#PBF is a high performance synchronous DC/DC step-up controller with an integrated FET from Linear Technology Corporation. It is specifically designed for applications that require a wide input voltage range and high efficiency. This device is part of Linear Technology\'s family of PMICs (Power Management and Integrated Circuits), Voltage Regulators, and DC/DC Switching Controllers.

The LTC3859AMPFE#PBF has a wide input voltage range of 3V to 17V and is designed to operate with either a single or multiple Li-ion cell batteries. It has an integrated N-Channel MOSFET with a maximum current rating of 150mA, making it ideal for loads up to 1.5A. In addition, the device includes an adjustable soft-start and a top-off current limit and timer, which can be used for applications where an optimized startup and output current protection is required.

The LTC3859AMPFE#PBF is a synchronous DC/DC switching controller that uses pulse width modulation (PWM) for controlling the output voltage. It has a variable frequency control loop with programmable soft-start and current limit settings. The PWM output frequency can be programmed up to 500 kHz, allowing for high efficiency and a low noise operation. It also has an internal temperature monitor to provide overtemperature protection with adjustable thresholds.

The LTC3859AMPFE#PBF can be used in a variety of applications including point-of-load (POL) regulation, mobile device chargers, industrial, and many others. Its wide input voltage range makes it suitable for operating off batteries or unregulated power sources. It is available in the 14-lead MSOP package, which saves board area and simplifies the design.

In summary, the LTC3859AMPFE#PBF is a high performance, synchronous DC/DC step-up switching controller with an integrated FET from Linear Technology Corporation. It is specifically designed for applications that require a wide input voltage range and high efficiency. This device is part of Linear Technology’s family of PMICs (Power Management and Integrated Circuits), Voltage Regulators, and DC/DC Switching Controllers and can be used in a variety of applications such as point-of-load (POL) regulation and mobile device chargers.

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