MIC35302WD-TR: High-Performance, Low-Dropout Linear Voltage Regulator from Microchip
In the realm of power management, delivering clean, stable, and reliable voltage to sensitive circuits is paramount. The MIC35302WD-TR from Microchip Technology stands out as a premier solution, engineered to meet the demanding requirements of modern electronic applications. This high-performance, low-dropout (LDO) linear voltage regulator combines exceptional electrical characteristics with robust protection features, making it an ideal choice for a wide array of systems, from automotive electronics to portable consumer devices.
At its core, the MIC35302WD-TR is designed for efficiency and precision. It offers a fixed output voltage, available in several common values, with an impressive maximum output current of 3.0A. This high-current capability allows it to power processors, FPGAs, and other power-hungry components that previous generations of LDOs could not support. A key metric for any LDO is its dropout voltage—the minimum difference required between the input and output voltage for regulation to occur. The MIC35302 excels here, featuring an extremely low dropout voltage, typically 200mV at 3A load. This efficiency minimizes power loss as heat, which is crucial for battery-operated devices aiming to extend runtimes and for applications where thermal management is a challenge.
Beyond raw performance, this regulator is built for resilience. It incorporates comprehensive protection circuitry, including over-current protection (OCP), over-temperature protection (OTP), and reverse battery protection. These features safeguard both the regulator itself and the downstream components from potential damage caused by fault conditions, a critical consideration in harsh environments like automotive systems. Furthermore, the device boasts a superb power supply rejection ratio (PSRR), effectively filtering out noise and ripple from the input supply to ensure a clean, stable output voltage. This is vital for noise-sensitive applications such as RF transceivers and precision analog-to-digital converters.
Housed in a space-efficient 5-pin SOT-23 package, the MIC35302WD-TR provides high power density, making it suitable for designs where board real estate is at a premium. Its fast transient response ensures output stability even during rapid changes in load current, which is a common occurrence in today’s high-speed digital circuits.
ICGOOODFIND: The MIC35302WD-TR is a robust and highly efficient LDO voltage regulator that delivers high current with minimal dropout. Its excellent PSRR, integrated protection features, and compact form factor make it a superior and reliable power management solution for advanced electronic designs.
Keywords: Low-Dropout (LDO), Voltage Regulator, Power Supply Rejection Ratio (PSRR), Over-Current Protection (OCP), Thermal Shutdown.
