NCP512SQ33T1

Current - Output:	80mA
Base Part Number:	NCP512
Supplier Device Package:	SC-88A (SC-70-5/SOT-353)
Package / Case:	5-TSSOP, SC-70-5, SOT-353
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 85°C
Protection Features:	Over Current, Over Temperature
Control Features:	Enable
PSRR:	50dB (1kHz)
Current - Supply (Max):	90µA
Current - Quiescent (Iq):	1µA
Series:	--
Voltage Dropout (Max):	0.3V @ 80mA
Voltage - Output (Max):	--
Voltage - Output (Min/Fixed):	3.3V
Voltage - Input (Max):	6V
Number of Regulators:	1
Output Type:	Fixed
Output Configuration:	Positive
Part Status:	Obsolete
Packaging:	Tape & Reel (TR)

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IntroductionThe NCP512SQ33T1 is a Linear Voltage Regulator from ON Semiconductor. It is a very low power, high current and low voltage drop out regulator which includes a low logic control pin. This device is capable of efficiently controlling both positive and negative output voltages with a single device. The device operates as both a linear regulator, providing a constant voltage output, and as an adjustable voltage regulator, providing an adjustable output voltage range.FeaturesThe NCP512SQ33T1 features a wide input voltage range, support for both positive and negative outputs, low voltage dropout, adjustable output voltage range, maximum input current of 400mA, and low power consumption of less than 6mW in standby mode. It also provides over-temperature protection, over-current protection, reverse-current protection, and reverse-voltage protection.ApplicationsThe NCP512SQ33T1 is an ideal voltage regulator for powering small and medium-sized applications requiring an adjustable or fixed voltage supply, such as personal computers, servers, and network equipment. It can also be used in a variety of mobile and consumer electronics, automotive, and industrial applications.Working PrincipleThe NCP512SQ33T1 regulates output voltage by controlling the charging of an internal capacitor. A Step-Up/Step-Down Charge Pump regulates the capacitor voltage by sensing the voltage difference between the output and the regulation point. The regulation point is adjusted by varying the logic control pin voltage. When the logic control pin is at 0V, the regulation point is set to the maximum output voltage. When the logic control pin voltage is higher than 0V, the regulation point is adjusted downwards. The voltage regulator is designed to provide smooth and continuous output voltage regulation, even at low input voltages.The NCP512SQ33T1 also features over current protection and reverse voltage protection to ensure that output voltage is always within safe limits. The reverse-current protection circuit prevents the input voltage from rising above the output in the case of a short-circuit or overload.ConclusionThe NCP512SQ33T1 is a low power, high current, and low voltage drop out voltage regulator from ON Semiconductor. It features a wide input voltage range and is capable of regulating both positive and negative outputs. It is suitable for use in a variety of applications, including personal computers, servers, network equipment, mobile and consumer electronics, automotive, and industrial applications. The NCP512SQ33T1 supports adjustable or fixed voltage output, and provides over current protection and reverse voltage protection for safe voltage regulation.

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