The MAX20730 is a fully integrated, highly efficient switching regulator with PMBus™ for applications operating from 4.5V to 16V and requiring up to 25A (max) load. This single-chip regulator provides extremely compact, highefficiency power-delivery solutions with high-precision output voltages and excellent transient response for networking, datacom, and telecom equipment. The IC offers a broad range of programmable features through either the PMBus or a capacitor and resistor connected to a dedicated programming pin. Using this feature, the operation can be optimized for a specific application, reducing the component count and/or setting appropriate trade-offs between the regulator’s performance and system cost. Ease of programming enables using the same design for multiple applications. The IC includes protection and telemetry features. Positive and negative cycle-by-cycle overcurrent protection and overtemperature protection ensure a rugged design. Input undervoltage lockout shuts down the device to prevent operation when the input voltage is out of specification. A status pin provides an output signal to show that the output voltage is within range and the system is regulating. * High Power Density and Low Component Count * Overall Solution Size 509mm2 Including Inductor and Output Capacitors * 90.8% Peak Efficiency with VDDH = 12V and VOUT = 1V * Fast Transient Response: Supports Up to 300A/µs Load-Step Transients * Optimized Component Performance and Efficiency with Reduced Design-In Time * PMBus-Compliant Interface for Telemetry andPower Management * Voltage, Current, and Temperature Reporting through the Digital Bus * Increased Power-Supply Reliability with System and IC Self-Protection Features * Differential Remote Sense with Open-Circuit Detection * Hiccup Overcurrent Protection * Programmable Thermal Shutdown