MCP16311-E/MS

Voltage - Output (Min/Fixed):	2V
Base Part Number:	MCP16311
Supplier Device Package:	8-MSOP
Package / Case:	8-TSSOP, 8-MSOP (0.118", 3.00mm Width)
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 125°C (TJ)
Synchronous Rectifier:	Yes
Frequency - Switching:	500kHz
Current - Output:	1A
Voltage - Output (Max):	24V
Series:	--
Voltage - Input (Max):	30V
Voltage - Input (Min):	4.4V
Number of Outputs:	1
Output Type:	Adjustable
Topology:	Buck
Output Configuration:	Positive
Function:	Step-Down
Part Status:	Active
Packaging:	Tube

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MCP16311-E/MS is a type of single-phase synchronous step-down dc-to-dc power converter that is well-suited for powering digital and logic loads in battery-powered, portable applications. It features a lossless current-limit circuit, wide input voltage range from 3.3V to 16V, adjustable output voltage from 0.8 – VIN, and three levels of programmable over-voltage and short-circuit protection for safeguarding sensitive system components.This device is a highly efficient, low-profile, and cost-effective synchronous buck converter with an integrated power MOSFET solution. It is capable of providing a switching frequency of up to 1 MHz and can handle up to 2A of continuous output current. The device includes an integrated power MOSFET and supports multiple current-mode control algorithms including PFM and PWM. It also includes integrated over-voltage and short-circuit protection to ensure the safety of the system.The working principle of MCP16311-E/MS is based upon a design that has been used in DC-DC converter solutions for over a decade. The device utilizes a synchronous buck switching scheme and leverages a fixed-frequency, discontinuous current-mode PWM control loop. This control scheme features a low-power, fast acting over-voltage and short-circuit protection circuit that is capable of sensing any current variations in the output voltage that exceed the designed threshold limits. When a high current is present, the devices will shut down and re-power when the conditions are safe once again.The output voltage of the device is regulated by the treatment of an internal voltage and current sensing comparator. This comparator uses the input voltage, output voltage, and the output current to calculate the duty cycle of the PWM switching cycle. This duty cycle is then compared to a reference voltage and used to accurately adjust the voltage of the output as needed.The MCP16311-E/MS comes in a standard 8-pin SOIC package, which provides an output voltage of up to 6.5V, a maximum peak output current of 2A, and a pulse-width-modulated (PWM) switching frequency of up to 1 MHz. It can be used in many different applications, including battery-powered automotive, portable, and wearable devices. This device features a programmable over-voltage and short-circuit protection, adjustable output voltage from 0.8 V to VIN, and able to provide an efficient solution for digital and logic loads.Overall, the MCP16311-E/MS is an efficient, low-profile, and cost-effective dc-to-dc power conversion solution. It provides a fixed 1MHz PWM switching frequency, with a wide 3.3V to 16V input voltage range, up to 2A of continuous output current, and programmable over-voltage and short-circuit protection. It is suitable for battery-powered, portable applications and provides a reliable and efficient current-mode control solution.

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