Microchip Technology, Inc. PMIC - PMIC - Voltage Regulators - DCDC Switching Regulators - MIC4575-3.3WT MIC4575-3.3WT

The MIC4575-3.3WT is a step-down (buck) switching regulator designed for efficient voltage regulation. It operates at a fixed frequency of 200 kHz and provides a stable output voltage of 3.3V with a maximum output current of 1A. The device supports a wide input voltage range from 4V to 24V, making it suitable for various applications. It features a guaranteed output voltage tolerance of ±3% under specified line and load conditions, ensuring reliable performance. This regulator is designed to require minimal external components, which simplifies circuit design. In shutdown mode, it consumes less than 200 µA of current, enhancing energy efficiency. The MIC4575 also includes built-in protections such as thermal shutdown and cycle-by-cycle current limiting, which safeguard the device during fault conditions. It is available in TO-220 and DDPAK packages, suitable for industrial temperature ranges. This product is ideal for applications such as battery chargers, on-card switching regulators, and efficient pre-regulators for linear regulators.