IRU1117-18CP

Voltage Dropout (Max):	1.3V @ 1A
Base Part Number:	IRU1117-18CP
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:	800mA
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Part Status:	Obsolete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:	Tube

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Introduction to IRU1117-18CP

The IRU1117-18CP is a linear voltage regulator designed by International Rectifier, a leader in the Power Management Integrated Circuits (PMIC) market. It belongs to the Voltage Regulators - Linear category of PMICs. The IRU1117-18CP provides excellent regulation performance and is used in many applications such as instrumentation, consumer, power and industrial applications.

IRU1117-18CP Application Fields and Working Principle

The IRU1117-18CP is a high-efficiency voltage regulator capable of providing stable voltage outputs from 1A to 18A current. The device is designed to operate from a 3.3V to 30V input range, with a regulated output from 0.8V up to 30V. It also provides a low quiescent current of 10uA in regulation mode, making it an ideal choice for battery powered applications.The device includes thermal overload protection, output current limiting, and reverse-battery protection. Additionally, the IRU1117-18CP has a high power density with a small footprint size. Due to its linear output, the device produces little noise, making it suitable for noise-sensitive applications. The device also provides excellent transient response.When it comes to the working principle of the IRU1117-18CP, it uses a well-known linear voltage regulator topology to regulate output voltage. It utilizes a feedback control loop to maintain accurate output voltage regulators with either constant or pulse width modulation (PWM) regulation. The output voltage is adjustable through an external feedback resistive divider, or with a voltage reference. To maintain the regulation loop, the device monitors the output by comparing it with the internally generated reference voltage.The device programming is also customizable to ensure the best performance from the IRU1117-18CP. Different resistive divider combinations can be used to tailor the output voltage according to the requirements of the application. Additionally, the device can be configured to program the output current.In summary, the IRU1117-18CP is a linear voltage regulator suitable for a wide range of applications. It offers high power density, low quiescent current, excellent regulation, output current limiting, and reverse-battery protection. The device uses a well-known linear voltage regulator topology, with a feedback control loop to regulate the output voltage. It can also be programmed to tailor the output voltage and current to suit the specific needs of the application.

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