IRU1010CDTR

Current - Output:	1A
Base Part Number:	IRU1010CD
Supplier Device Package:	D-Pak
Package / Case:	TO-252-3, DPak (2 Leads + Tab), SC-63
Mounting Type:	Surface Mount
Operating Temperature:	0°C ~ 150°C
Protection Features:	Over Current, Over Temperature
Control Features:	--
PSRR:	70dB (120Hz)
Current - Quiescent (Iq):	10mA
Series:	--
Voltage Dropout (Max):	1.3V @ 1A
Voltage - Output (Max):	3.6V
Voltage - Output (Min/Fixed):	2.5V
Voltage - Input (Max):	7V
Number of Regulators:	1
Output Type:	Adjustable
Output Configuration:	Positive
Part Status:	Obsolete
Packaging:	Tape & Reel (TR)

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IRU1010CDTR Application Field and Working Principle

IRU1010CDTR is a linear voltage regulator that belongs to a category of power management integrated circuits (PMICs). It is an adjustable output low dropout linear regulator designed for use in applications with input voltages up to 30V and output voltages ranging from 1.2V to 20V.

Applications

The IRU1010CDTR regulator is suitable for a wide variety of applications, including automotive, computing devices, peripherals, communication equipment, and instrumentation. Its adjustable output voltage, low dropout operation, low noise, wide input voltage range, high output current capability, and complete thermal protection make it well suited for a number of demanding power management applications.In the automotive industry, IRU1010CDTR linear voltage regulators can be used in a variety of low-voltage and low-power applications, such as fuel gauges, electronic throttle body controllers, and infotainment systems. It also has the capability to provide reliable power to various devices in the presence of automotive transients such as load dump and cold cranking. In computing devices, IRU1010CDTR regulators can be used to power microprocessors, graphics processors, memory, and other peripheral devices. It features a fast transient response, low dropout voltage, and wide input voltage range, making it able to provide reliable power for the most demanding computing applications.Many communication and instrumentation applications benefit from the IRU1010CDTR\'s low dropout operation, as it allows the device to provide highly efficient power with no risk of overloading the output. In addition, the adjustable output voltage and wide input voltage range make it suitable for powering a variety of sensors and other peripherals used in these applications.

Working Principle

The IRU1010CDTR regulator uses a voltage reference circuit to compare the input voltage and the output voltage. When the input voltage is greater than the output voltage, the regulator turns on the pass transistor to allow current to flow through the pass transistor and into the load.At this point, the output voltage starts to rise until it reaches the voltage reference value. The voltage reference value is set by adjusting the reference voltage potentiometer. Once the output voltage reaches the reference voltage, the regulator turns off the pass transistor, stopping current flow. This process is then repeated, allowing the output voltage to remain stable and the regulator to maintain its regulation. One of the main advantages of the linear voltage regulator is its low noise operation. Since the voltage reference is constantly comparing the input and output voltages, any small change in the input voltage will cause a change in the output voltage. This means the regulator is constantly adjusting its output voltage, resulting in low noise and consistent performance.In addition, the IRU1010CDTR is able to provide complete thermal protection. Thermal protection is provided by a temperature sensing circuit located on the device\'s PCB. This circuit is designed to monitor the temperature of the regulator and will shut down the output voltage if the temperature rises above a certain level. This feature ensures that the device is always operating at a safe temperature and provides additional protection from thermal damage.

Conclusion

The IRU1010CDTR is an adjustable output low dropout linear voltage regulator from the PMIC - Voltage Regulators - Linear category. It features fast transient response, low dropout voltage, wide input voltage range, adjustable output voltage, high output current capability and complete thermal protection, making it well suited for many applications in automotive, computing devices, peripherals, communication equipment and instrumentation. Its low noise operation ensures consistent performance, and its high noise immunity ensures reliable operation in the presence of automotive transients.

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