NCV4269DWR2

Current - Output:	150mA
Base Part Number:	NCV4269
Supplier Device Package:	20-SOIC
Package / Case:	20-SOIC (0.295", 7.50mm Width)
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 125°C
Protection Features:	Over Temperature, Reverse Polarity, Short Circuit
Control Features:	Reset
PSRR:	--
Current - Supply (Max):	3mA
Current - Quiescent (Iq):	250µA
Series:	--
Voltage Dropout (Max):	0.5V @ 100mA
Voltage - Output (Max):	--
Voltage - Output (Min/Fixed):	5V
Voltage - Input (Max):	45V
Number of Regulators:	1
Output Type:	Fixed
Output Configuration:	Positive
Part Status:	Obsolete
Packaging:	Tape & Reel (TR)

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NCV4269DWR2 application field and working principle The NCV4269DWR2 is a linear voltage regulator, which belongs to the Power Management IC (PMIC) category of Voltage Regulators. It is a low power, low noise, highly advanced regulator, which utilizes a 0.2V to 3.3V input range and output range of 0.2V to 3.3V. The output voltage of the regulator is adjustable in 9 different steps, from 0.2V to 3.3V, using the device’s integrated internal resistors. This makes it ideal for use in battery-powered applications and for powering low voltage logic chips. The main application field where NCV4269DWR2 is used is mobile phones, personal media players and other portable multimedia devices. These applications require small sizes, low power and low noise. The Advanced Shunt Regulator (ASR) topology of the NCV4269DWR2 makes it suitable for these applications, as it enables low power dissipation, low noise and fast response time. The working principle of the NCV4269DWR2 follows the famous Two State Power Regulation (TSPR) theory. When input voltage is within the range of 0.2V to 3.3V, the regulator is in power regulation mode. If input voltage is out of this range, the regulator is in power-off mode. The two different working states are regulated by the MIC5219 integrated circuit, which has a built-in circuit that evaluates the presence of the input voltage and controls the output voltage.The NCV4269DWR2 includes several other features, such as a wide temperature range operating from -40°C to 85°C and an integrated POR circuit that monitors the input voltage and resets the output voltage at power-off. The device also supports both in-rush current and reverse current protection, thermal protection, and over-current protection.The NCV4269DWR2 is capable of providing high current up to 400mA and also allows for low voltage operation with a 0.2V output voltage. In addition, the device has excellent power supply noise rejection and EMI characteristics, which makes it ideal for cell phone, personal media players and other portable multimedia products. In summary, the NCV4269DWR2 linear voltage regulator is an advanced power management IC, ideal for low power and low noise applications requiring small sizes. The device features TSPR principle, wide temperature range, wide current range up to 400mA, low voltage operations and excellent power supply noise and EMI characteristics.

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