NCP103AMX105TCG

Voltage Dropout (Max):	--
Supplier Device Package:	4-UDFN (1.0x1.0)
Package / Case:	4-UDFN Exposed Pad
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 85°C (TA)
Protection Features:	Over Current, Over Temperature
Control Features:	Enable
PSRR:	75dB (1kHz)
Current - Quiescent (Iq):	95µA
Current - Output:	150mA
Series:	--
Voltage - Output (Max):	--
Voltage - Output (Min/Fixed):	1.05V
Voltage - Input (Max):	5.5V
Number of Regulators:	1
Output Type:	Fixed
Output Configuration:	Positive
Part Status:	Active
Packaging:	Tape & Reel (TR)

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NCP103AMX105TCG Application Field and Working Principle

NCP103AMX105TCG is a voltage regulator that is classified under PMIC - Voltage Regulators - Linear. It is specially designed to provide solutions for the portable media players, cell phones, digital cameras and Handheld computers, as well as other battery-powered products that require a regulated output current. This voltage regulator works by controlling the output voltage and delivering a regulated current in a regulated manner.The main application of NCP103AMX105TCG is in portable media players, cell phones, digital cameras and Handheld computers, as well as other battery-powered products. It is suitable for a wide range of applications, such as driving LEDs, supplying power to radios and data loggers, and generating power for microcontrollers. It is designed to provide accurate output voltage regulation and output current regulation, making it an important component for battery-powered devices.The working principle of NCP103AMX105TCG is based on the voltage control loop. This voltage control loop works by monitoring the load current, adjusting the output current and sensing the output voltage. The output current is adjusted using a feedback control loop, where the error between the output voltage and the feedback voltage is used to calculate the required output current.The voltage control loop consists of four main components, namely an input power monitor, adjustable output current monitor, output voltage sensing circuit and a digital logic controller. The input power monitor measures the input voltage and current, and the adjustable output current monitor measures the output current. The output voltage sensing circuit monitors the output voltage and provides the feedback to the digital logic controller. The digital logic controller then calculates the required output current based on the input voltage, input current, output voltage and feedback voltage.To ensure that the output voltage is accurately regulated, the NCP103AMX105TCG also includes a low power shutdown circuitry, which will shut down the regulator when the output voltage drops below a certain level. There is also a temperature protection circuitry which will shut down the regulator when the temperature rises beyond the set temperature.Overall, the NCP103AMX105TCG is a very effective voltage regulator which can provide accurate, regulated voltage for battery-powered devices. It is ideal for a wide range of applications, such as driving LEDs, supplying power to radios and data loggers, and generating power for microcontrollers.

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