IRU1010-18CPTR

Voltage Dropout (Max):	1.3V @ 1A
Base Part Number:	IRU1010-18CP
Supplier Device Package:	2-Ultra Thin-Pak
Package / Case:	2-Ultra Thin-Pak™
Mounting Type:	Surface Mount
Operating Temperature:	0°C ~ 125°C
Protection Features:	Over Current, Over Temperature
Control Features:	--
PSRR:	70dB (120Hz)
Current - Output:	1A
Series:	--
Voltage - Output (Max):	--
Voltage - Output (Min/Fixed):	1.8V
Voltage - Input (Max):	7V
Number of Regulators:	1
Output Type:	Fixed
Output Configuration:	Positive
Part Status:	Obsolete
Packaging:	Tape & Reel (TR)

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IRU1010-18CPTR Application Field and Working Principle

IRU1010-18CPTR is an advanced non-synchronous, high speed, linear voltage regulator by Richtek Technology Corporation which is ideally suited for moderate power point-of-load (POL) Converter applications. This voltage regulator is optimized for efficiency, programmability, and features low dropout voltage, low quiescent current, and fast transient response. It is available in a space-saving, 5-pin TSOT-23 package, making it suitable for use in a wide range of applications in which performance, size and affordability are the main criteria.

Features and Benefits

The IRU1010-18CPTR Voltage regulator is designed to offer optimal performance and benefits to facilitate design engineers in developing their intended systems using the latest technologies. This Linear voltage regulator offers full protection functionalities and low dropout voltage as well as a wide range of output voltages to adequately meet the total system requirements. Some of the key features and benefits of this voltage regulator are as follows:

• Internal EMI filter for higher efficiency and surge protection
• Output voltage range from 0.6V to 4.2V
• High efficiency at low output voltage
• Longer battery life with low quiescent current
• Wide bandwidth for faster transient and smaller loop capacitance
• Programmable output voltage for the total system optimization

Applications

The IRU1010-18CPTR voltage regulator is appropriate for various point-of-load application fields such as industrial and consumer portable as well as sub-GHz systems. Other applications such as smart phones, cameras, medical sensors, and wearable electronics can all benefit from the lower power consumption and wide output voltage ranges of the IRU1010-18CPTR voltage regulator.

Working Principle

The IRU1010-18CPTR is a low dropout linear voltage regulator designed to be used in point-of-load applications. The regulator is simple and flexible to meet the contemporary system requirements. It consists of an N-channel MOSFET in series, a bandgap reference and two comparators for controlling the feedback voltage loop as well as to switch the MOSFET and sense current. The regulator, when operated at rated conditions, maintains a designated output current, allowing enough headroom for the total system requirements. The internal error amplifier compares the feedback voltage received from the scaled output voltage and then regulates the MOSFET series switch to maintain the desired output voltage.Richtek Technology Corporation\'s IRU1010-18CPTR non-synchronous, high speed, linear voltage regulator is an excellent choice for point-of-load applications in which performance, size and affordability are the main criteria. The robust integrated protection features and wide voltage range make it suitable for various industrial and consumer portable applications. The underlying working principle of the voltage regulator is based on N-channel MOSFET series switch, bandgap reference, and two comparators for feedback control and current sensing, enabling the regulator to function correctly and provide superior performance.

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