MIC33030-AYHJ-TR

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The MIC33030-AYHJ-TR is a device that can be classified as a PMIC (Power Management IC) - Voltage Regulators - DC DC Switching Regulators. This device is offered by the Microchip Technology Inc, which is among the world’s leading suppliers of PMICs.

The MIC33030-AYHJ-T is a dual-output PMIC, specifically designed to drive high power LEDs with high efficiency. It features two outputs that can be independently driven to deliver the necessary current to drive two LEDs. The device is open loop current mode with both the outputs in linear mode. It offers constant current regulation with high efficiency of up to 92%.

The application fields of the MIC33030-AYHJ-TR are mainly in LED lighting, automotive lighting and other power supplies. It is also used in portable handheld devices and consumer appliances such as tablets and handsets. This device is well-suited for applications that require high current capacity and high efficiency, such as LED backlighting and LCD panel backlighting. The device provides regulated output current with low EMI radiation due to its constant ON-time control.

The working principle of the MIC33030-AYHJ-TR device is based on a two-stage topology using an internal high-side power switch and an N-Channel MOSFET. The internal switch operates in current mode and the output current is regulated with a constant ON-time control. The output current is compared to a fixed reference voltage, and the peak current is limited by a current sense resistor. The input power is then given to the output through a flyback transformer.

The device is provided with an adjustable soft start, cycle-by-cycle current limit, over-voltage protection and short circuit protection. The output current is adjustable over a wide range using an external resistor. The device has a wide input voltage range of 4.5V to 75V, and the output voltage range is 0.2V to 75V. It provides current up to 3.5A and an operating frequency up to 1MHz.

The MIC33030-AYHJ-TR PMIC is a highly efficient and reliable device that features accurate current regulation, low EMI radiation, wide input voltage range and an adjustable output current. It is suitable for various applications that require high power, high efficiency and stable performance. It offers an easy implementation, minimal external components and protection for improved reliability.

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