NCV2575D2T-12R4G

Voltage - Output (Min/Fixed):	12V
Base Part Number:	NCV2575
Supplier Device Package:	D2PAK-5
Package / Case:	TO-263-6, D²Pak (5 Leads + Tab), TO-263BA
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 125°C (TJ)
Synchronous Rectifier:	No
Frequency - Switching:	52kHz
Current - Output:	1A
Voltage - Output (Max):	--
Series:	--
Voltage - Input (Max):	40V
Voltage - Input (Min):	4.75V
Number of Outputs:	1
Output Type:	Fixed
Topology:	Buck, Boost, Buck-Boost
Output Configuration:	Positive or Negative
Function:	Step-Up, Step-Down, Step-Up/Step-Down
Part Status:	Active
Packaging:	Tape & Reel (TR)

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NCV2575D2T-12R4G is a low quiescent current, high-efficiency, step-down DC-DC buck converter. This particular model operates over a wide 3.2V to 18V input voltage range, and delivers a constant output voltage of 12V with load currents of up to 400mA.The NCV2575D2T-12R4G is designed for applications such as low power load regulation, power line decoupling and noise suppression, isolated DC output, and remote sensing. It features a 2.5V reference voltage and 0.25V voltage drop at full load. The adjustable output voltage range is between 1.5V and 16.5V and the maximum output current is 5A. The device also offers short-circuit protection and thermal shutdown protection.As for the working principle of the NCV2575D2T-12R4G, it uses a hysteretic control scheme. The hysteretic control scheme is an efficient, low-cost DC-DC switching converter technique that can be used for step-down, step-up, and isolated DC-DC operations. The scheme is based on the comparison of an output voltage to a reference voltage, and controls the switch on or off based on the obtained error signal. First, a continuous current is fed into a power inductor, and the current is controlled in proportion to a duty cycle. When the voltage of the inductor reaches a certain level, the duty cycle is set low, allowing the current in the inductor to be discharged through the output capacitor and to the load. The output voltage is thus regulated by controlling the on and off times of the transistor, which modulates the duty cycle.Additionally, the NCV2575D2T-12R4G also offers integrated load distribution, as well as short-circuit, undervoltage, and overvoltage (UVLO) protection. The integration of these components helps reduce system complexity, cost and size. Finally, the device includes an internal over-temperature detection circuit which will cause the device to shut off at a certain temperature threshold.Overall, the NCV2575D2T-12R4G is a robust, highly efficient switching regulator designed to operate over a wide range of input and output voltages. Its features make it an ideal solution for many low-power, high-efficiency DC-DC power conversion applications.

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