UA78M33IKVURG3 Integrated Circuits (ICs)

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UA78M33IKVURG3 Application Field and Working Principle

PMIC - Voltage Regulators - Linear have been an integral part of the electronics industry for many decades. The UA78M33IKVURG3 is a high-voltage linear regulator, specifically designed to meet the demands of extremely high voltages and high power requirements in critical applications. This voltage regulator is equipped with self protection against over current, over voltage and short circuit, making it highly reliable and suitable for applications found in the automotive, industrial and consumer electronics markets.

Mechanical and Environmental Specifications

The UA78M33IKVURG3 is a two-terminal non-isolated three-terminal device with a temperature range of -40°C to +125°C. The device operates with a minimum supply voltage of 16V and can withstand a maximum input voltage of up to 72V. The device has a power dissipation of up to 3.2W, allowing it to deliver up to 1A of output current. It measures 25.4 x 6.9 x 0.9mm (L x W x H).

Functional Features

The UA78M33IKVURG3 has a sleep mode which can be enabled or disabled through an active low SLEEP pin. This feature reduces system power consumption and/or current consumption when the regulator output is not required. OVLO (Over Voltage Lockout) provides resistance against over-voltage conditions and prevents the IC from entering an active state. Under voltage lockout (UVLO) protects the IC from low input voltage under-voltage conditions.

Application Fields

The UA78M33IKVURG3 voltage regulator is widely used in application fields such as industrial and consumer electronics, automotive, IT/telecom and medical. Applications for the voltage regulator include power supplies for tablets and smartphones, low power computer and peripheral power supplies, remote telecommunication equipment, automotive electronics and instrumentation systems, audio and video amplifiers, RF and microwave systems and medical control devices.

Working Principle

The UA78M33IKVURG3 is a linear voltage regulator that works by controlling the voltage output. It uses a feedback loop to compare the voltage input to the voltage output, and if the output voltage is higher than the input due to power consumption, the regulator will reduce the current to maintain a constant output voltage. This makes it ideal for application fields where precise voltage control is needed, as it is able to provide a precise and stable output voltage despite varying load levels and input voltages.

The UA78M33IKVURG3 voltage regulator is a strong and reliable solution for a wide range of applications. It offers high performance, precise control and a wide operating temperature range, making it suitable for use in critical applications. Thanks to features such as its OVLO and UVLO protection, the device is highly robust and capable of withstanding a variety of operating conditions.

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