NCP43080AMTTWG

Series:	--
Packaging:	Tape & Reel (TR)
Part Status:	Active
Applications:	Secondary-Side Controller, Synchronous Rectifier
Voltage - Input:	--
Voltage - Supply:	35V
Operating Temperature:	-40°C ~ 125°C
Mounting Type:	Surface Mount
Package / Case:	8-VDFN Exposed Pad
Supplier Device Package:	8-DFN (4x4)

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NCP43080AMTTWG Application Field and Working Principle

The NCP43080AMTTWG is an ultra-low quiescent current linear synchronous step-down DC/DC converter with Power Good output. It is a member of the integrated power supply controller family from ON Semiconductor and falls into the category of Power Supply Controllers, Monitors. The device is suited for space-constrained, battery-powered portable applications such as Internet of Things (IoT) devices and wearables.

Application Field of NCP43080AMTTWG

This linear synchronous step-down DC/DC converter is designed to provide low-output ripple, low-voltage stress, and fast transient response. It provides up to 6 A of load current and supports wide input voltage ranges of 1.8V to 6V. The NCP43080AMTTWG is highly-efficient, resilient, and achieves ultra-low quiescent current operation.The device is primarily used in devices and applications requiring precise step-down regulators, such as portable collection, IoT devices, and wearables. Due to its ultra-low quiescent current and wide input voltage range, it is suitable for battery-powered devices that require reliable, predictable power and precise voltages.

Working Principle of NCP43080AMTTWG

The NCP43080AMTTWG utilizes a high-performance synchronous step-down DC/DC converter with a wide input voltage range of 1.8V to 6V. The device operates in the PWM mode at up to 1.2MHz switching frequency with an internal voltage feedback reference.The device uses an error amplifier and a voltage scaling circuit to provide loop stability and accurate load regulation. The load regulation range is 0.6V to 5.5V with a 1.18V feedback reference voltage. The converter can provide up to 6 A of load current when the output voltage is stabilized.The device is protected from over temperature, over voltage, and short-circuit conditions. It features a power good flag output with an adjustable delay time. The device has a built-in soft start function and is RoHS compliant.

Conclusion

The NCP43080AMTTWG is an ultra-low quiescent current linear synchronous step-down DC/DC converter with Power Good output and is a member of the integrated power supply controller family from ON Semiconductor. It is designed to provide low-output ripple, low-voltage stress, and fast transient response, and is suitable for space-constrained, battery-powered portable applications such as IoT devices and wearables. The device utilizes a high-performance synchronous step-down DC/DC converter with a wide input voltage range of 1.8V to 6V, and features power good flag output with an adjustable delay time, as well as protection from over temperature, over voltage, and short-circuit conditions.

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