Product Summary

The UC3725N is an isolated high side FET driver. A unique modulation scheme is used to transmit both power and signals across an isolation boundary with a minimum of external components.

Parametrics

UC3725N absolute maximum ratings: (1)supply voltage: 30V; (2)power inputs: 30V; (3)output current: 0.5A; (4)Enable and current limit inputs: -0.3 to 6V; (5)power dissipation: 1W; (6)lead temperature: 300℃.

Features

UC3725N features: (1)Receives Both Power and Signal Across the Isolation Boundary; (2)9 to 15 Volt High Level Gate Drive; (3)Under-voltage Lockout; (4)Programmable Over-current Shutdown and Restart; (5)Output Enable Function.

Diagrams

UC3725N block diagram