NCP1402SN40T1

Voltage - Output (Min/Fixed):	4V
Base Part Number:	NCP1402
Supplier Device Package:	5-TSOP
Package / Case:	SOT-23-5 Thin, TSOT-23-5
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 85°C (TA)
Synchronous Rectifier:	No
Frequency - Switching:	Up to 200kHz
Current - Output:	130mA (Switch)
Voltage - Output (Max):	--
Series:	--
Voltage - Input (Max):	4V
Voltage - Input (Min):	0.8V
Number of Outputs:	1
Output Type:	Fixed
Topology:	Boost
Output Configuration:	Positive
Function:	Step-Up
Part Status:	Obsolete
Packaging:	Tape & Reel (TR)

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DC DC Switching Regulators – NCP1402SN40T1 Application Field and Working Principle

DC-DC switching regulators are integrated circuits (ICs) that provide a regulated output voltage for a wide variety of applications. They are used in various industries including automotive, aerospace, military, industrial, computing, and communications to improve system efficiency, reduce system cost, and provide a robust and reliable solution to power supply design. The NCP1402SN40T1 DC-DC switching regulator from ON Semiconductor is a highly integrated, monolithic device designed for high-speed, high-efficiency operation in a wide range of applications.

UBP4035747642N-105-1 Applications

The NCP1402SN40T1 DC-DC switching regulator is suitable for a variety of applications, including use in laptop computers, LED lighting, wireless communication systems, and LCD backlighting. The device can also be used in DC-DC converter applications, such as in the regulation of solar panel input or in battery-controlled systems.

Working Principle

The NCP1402SN40T1 DC-DC switching regulator works by converting an input voltage into a regulated output voltage. This is done by controlling a “switching” transistor that switches very rapidly between a on/off state. When the transistor is on, the switch will conduct current and allow electrical energy to flow from the input voltage to the output regulator. The output voltage is then regulated by adjusting the switch-on and switch-off times. The switching frequency of the regulator is set by a reference input voltage.

Features

The NCP1402SN40T1 DC-DC switching regulator has several beneficial features, such as a wide input voltage range (2V-28V) and an adjustable output voltage range (up to 28V). It also has a high efficiency (up to 98%) which makes it suitable for use in battery-operated devices or solar-powered systems. The device is designed to be robust and reliable, and its small size (TQFN-7) allows it to be used in applications where space is a concern. Additionally, the device is protected against over-current, over-temperature, and short-circuit conditions.

Conclusion

The NCP1402SN40T1 DC-DC switching regulator from ON Semiconductor is a highly integrated, monolithic device with high efficiency and a wide input and output voltage range. It is suitable for a variety of applications including laptop computers, LED lighting, wireless communication systems, and LCD backlighting. The device is designed to be robust and reliable and its small size makes it suitable for applications where space is a concern.

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