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Description

The timer control circuit U2102B is based on bipolar technology. The output stage can switch either a MOSFET or an IGBT. Two sensor inputs and the retriggerable and adjustable tracking time useful for a wide range of applications. By using the reverse phase-control technique, the resistive load can be dimmed without the need of a compensation inductance. The integrated current monitoring function provides a very fast switch-off in case of a short-circuit condition. No additional fuse is needed.

Features

? Integrated Reverse Phase Control

? Mode Selection:

– Zero-voltage Switch with Static Output

– Two-stage Reverse Phase Control with Switch-off

– Two-stage Reverse Phase Control with Dimming Function

? Current Monitoring:

– High-speed Short-circuit Monitoring with Output

– High-current Monitoring with Integrating Buffer

? Integrated Chip Temperature Monitoring

? Adjustable and Retriggerable Tracking Time

? External Window Adjustment for Sensor Input

? Enable Input for Triggering

Applications

? Two- or Three-wire Applications

? Motion Detectors

? Time-delay Relays

? Dimmers

? Reverse Phase Controls

? Timers