Microchip Technology, Inc. Voltage Regulators - DC DC Switching Regulators MIC28515T-E/PHA

The MIC28515T-E/PHA is a synchronous DC/DC buck regulator designed for high efficiency and versatility in power management applications. It operates over a wide input voltage range of 4.5V to 75V and can deliver an output current of up to 5A with efficiencies reaching 95%. The output voltage is adjustable from 0.6V to 32V, allowing for flexibility in various applications. This regulator features Hyper Speed Control¬Æ architecture, which enhances transient response and reduces the need for large output capacitance. It supports both HyperLight Load (HLL) and Continuous Conduction Mode (CCM) operation, optimizing efficiency under different load conditions. The device includes built-in protections such as hiccup mode short-circuit protection, thermal shutdown, and undervoltage lockout (UVLO). The MIC28515T-E/PHA is packaged in a compact 32-lead VQFN format, measuring 6mm x 6mm, and is qualified for automotive applications under AEC-Q104 standards. Its operational temperature range spans from -40¬8C to +125¬8C, making it suitable for demanding environments. This product is ideal for use in distributed power systems, industrial power supplies, communications infrastructure, and solar energy applications.