AP2331 Current-Limited Load Switch Diodes Incorporated AP2331 Current-Limited Load Switch is a single-channel current-limited integrated high-side power switch optimized for hot-swap applications. The AP2331 Current-Limited Load Switch from Diodes Incorporated has a fast short-circuit response time for improved overall system robustness and provides protection to applications with heavy capacitive loads and are at risk of short circuit. Features of the AP2331 include 0.4A accurate current limiting, input voltage range of 2.7V to 5.2V, ambient temperature range of -40ºC to 85ºC, and over-current and over-voltage protection.