NCP4305ADR2G

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-SOIC (0.154", 3.90mm Width)
Supplier Device Package:	8-SOIC

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Introduction

NCP4305ADR2G is a miniature and unified power supply controller, an ideal choice for application power control solution. It comes with an integrated step-down voltage regulator and a protection system. Thanks to its ultra-compact size, NCP4305ADR2G is suitable for space-constrained applications such as portable/wearable devices and battery-powered gadgets. It provides a compact and stable power supply system, simplifying circuit designs and offering improved performance.

Application field

NCP4305ADR2G is ideal for use in a wide range of applications and fields. It is suitable for portable/wearable devices, battery-powered gadgets, and low power microcontrollers. It can also be used in communication devices such as smartphones, tablets, and laptops, as well as for power management system solutions.

Working Principle

NCP4305ADR2G is a voltage regulator that provides a compact power management solution. It features an integrated step-down converter, a programmable linear regulator ("VREF"), and a protection system that includes overvoltage, overtemperature, and short circuit detection. It can be configured as a buck (step-down), boost (step-up), or buck-boost (inverting) converter depending on the application.The NCP4305ADR2G works by first converting the input voltage to an intermediate voltage (VCOM) using a MOSFET-based buck regulator. This step-down process reduces the input voltage to a level that can easily be regulated and protected. This intermediate voltage is then passed to the VREF voltage regulator to further regulate the voltage level and generate a stable output voltage. This regulated voltage can then be used by the load.Finally, the protection system of the NCP4305ADR2G monitors the input and output voltages, temperature and external conditions to prevent damage or overstressing of the device and the components connected to it. If the conditions exceed a certain level, the device will shut off the output and enter into a power-down mode.

Conclusion

NCP4305ADR2G is a miniature and unified power supply controller that comes with an integrated step-down voltage regulator and a protection system. It is an ideal choice for application power control and is suitable for a wide range of applications. The device works by first converting the input voltage to an intermediate voltage and then passing it to the VREF voltage regulator to generate a stable output voltage. The protection system of the device provides enhanced safety by monitoring the input and output voltages, temperature, and external conditions.

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