MCP1603-330I/MC

Voltage - Output (Min/Fixed):	3.3V
Base Part Number:	MCP1603
Supplier Device Package:	8-DFN (3x2)
Package / Case:	8-VFDFN Exposed Pad
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 125°C (TJ)
Synchronous Rectifier:	Yes
Frequency - Switching:	2MHz
Current - Output:	500mA
Voltage - Output (Max):	--
Series:	--
Voltage - Input (Max):	5.5V
Voltage - Input (Min):	2.7V
Number of Outputs:	1
Output Type:	Fixed
Topology:	Buck
Output Configuration:	Positive
Function:	Step-Down
Part Status:	Active
Packaging:	Tube

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MCP1603-330I/MC Application Field and Working Principle

MCP1603-330I/MC is a high-efficiency, low-power, and small size DC-to-DC switching regulator that has numerous applications. This type of switching regulator is mainly used for a variety of consumer electronic products such as mobile phones, tablets, and laptop PCs, making it an ideal choice for portable device solutions. Additionally, it is also suitable for light-duty industrial and medical applications. The MCP1603-330I/MC is a DC-DC switching regulator which incorporates a high-voltage, high-current MOSFET switch, a fixed frequency peak-current controlling buck regulator, and an ultra-low standby current consumption CPU supervisor. This device provides excellent power savings and superior noise immunity, allowing it to work reliably in noisy environments. Furthermore, it features an adjustable output voltage, allowing users to configure the device to the specific application requirements. Thanks to its low power consumption design, the MCP1603-330I/MC can provide current up to over 300mA at 3.3V output, making it a great choice for powering up small-scale embedded devices. The wide input voltage range of this regulator can operate from both DC and AC power sources.

Working Principle

The MCP1603-330I/MC works by using an internal switching MOSFET that is used by the regulator to step down the input voltage. The input voltage is first fed into a sensing and controlling circuit, which then adjusts the gate voltage of the switch MOSFET and determines its conduction time. This varies the duty cycle, allowing the device to control the output voltage and current to the desired level. The device also includes a number of protection features such as over current protection, over temperature protection, and short circuit protection that helps to keep the device safe from external threats. Moreover, the low EMI emission helps to comply with the international IEC standard requirements.In summary, the MCP1603-330I/MC is an ideal solution for a variety of applications. It provides excellent power efficiency and noise immunity, as well as adjustable output voltage and a wide range of protection features. This high performance regulator is thus perfectly suited for light-duty industrial and medical applications, as well as mobile phone and laptop computers.

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