IRU1050-33CD

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The IRU1050-33CD device is a linear PMIC (Power Management IC) voltage regulator intended for a wide range of applications.

This linear PMIC voltage regulator is an integrated circuit that provides an adjustable voltage between an input and an output. It can be used to regulate the voltage levels in handheld electronic devices. This voltage regulator is able to synchronize 24MHz external clock signals and generate up to 1MHz PWM signals.

IRU1050-33CD has a low drop-out voltage of 0.8V typical at 50mA load current and a maximum of 1V at 100mA load. It also features a maximum power dissipation of 0.4W, and voltage regulation 850mV-2.9V. This linear voltage regulator has a maximum of 800kHz switching frequency and a quiescent current of 0.4mA.

In terms of application field, the IRU1050-33CD is ideal for a wide range of battery-operated equipment, as it offers a highly efficient solution to keep the battery life quality intact even when applied in a low drop-out voltage environment. It can also be used in mobile phones, PDAs, and other handheld devices.

The working principle of the IRU1050-33CD is very simple. The circuit is composed of two transistors and a resistor. The two transistors act as a switch and the resistor forms a voltage divider to set the output voltage. The input voltage is applied to the base of the transistor through the resistor. When the base voltage has a certain value, the transistor turns on, causing current to flow through the resistor and setting the output voltage.

The IRU1050-33CD is designed to prevent output voltage errors and EMI (Differential Mode and Common Mode) noise from entering the system. It also maintains high efficiency and low On-resistance even at a very low drop-out voltage. Additionally, it is designed with a shutdown and power-saving function.

In conclusion, the IRU1050-33CD is an ideal linear PMIC voltage regulator for low drop-out voltage applications. It offers high efficiency, low upkeep cost, high reliability, and reduced EMI noise. Its application field includes mobile phones, PDAs, and other handheld devices which require a highly efficient and reliable voltage regulator.

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