IFX1117MEV – INFINEON
Positive Adjustable 1A LDO Linear Voltage Regulator SOT-223
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The Infineon IFX1117MEV is a low-dropout (LDO) voltage regulator specifically designed for automotive applications requiring a stable 3.3V output. It delivers a regulated 3.3V output with a current rating of 500mA. This device is housed in a small, thermally efficient PG-SOT223-4 SMD package, making it suitable for space-constrained PCB layouts. The IFX1117MEV features overcurrent and overtemperature protection, ensuring robust operation in harsh automotive environments. Its typical input voltage range is 4.5V to 40V, with the output fixed at 3.3V. This regulator operates reliably across a wide temperature range of –40°C to 125°C. A key advantage in circuit design is its very low quiescent current, minimizing power consumption in standby modes, crucial for battery-powered systems. Commonly utilized for powering microcontrollers, sensors, and other low-voltage components in automotive ECUs.
