STEVAL-L6981CDR

STEVAL-L6981CDR is an evaluation board based on the L6981CDR synchronous monolithic step-down regulator capable of delivering up to 1.5A DC. Its wide input voltage range makes device suitable for a broad range of applications. Peak current mode architecture in an SO 8L package with internal compensation minimizes design complexity and size. LCM maximizes efficiency at light load with controlled output voltage ripple, making device extremely suitable for battery-powered applications. LNM makes switching frequency constant and minimizes output voltage ripple overload current range, meeting specification for noise sensitive applications. The EN pin manages the enable/disable function. The typical shutdown current is 2μA when disabled. When the EN pin is pulled up, the device is enabled and the internal 1.3ms soft-start takes place. Pulse-by-pulse current sensing on both power elements implements effective constant current protection while thermal shutdown prevents thermal run-away.

• 3.5V to 38V operating input voltage
• Output voltage from 0.85V to VIN
• Internal compensation network
• LCM for high efficiency at light loads and LNM for noise sensitive applications
• 2µA shutdown current
• Internal soft-start
• Enable function
• Overvoltage protection
• Thermal protection
• Synchronization with external clock for LNM devices