RE46C100 Datasheet | Microchip Technology

Piezoelectric Horn Driver Circuit Features : - Low Quiescent Current (< 100 nA) - Low Driver RON - 20typical at 9V - Wide Operating Voltage Range - Available in 8-pin DFN, PDIP and SOIC packages General Description: The RE46C100 devices are intended for applications using a self oscillating piezoelectric horn, although it can be used in direct drive applications. Feedback control and a driver circuit are provided, as well as a horn enable function. The RE46C100 is intended for use in smoke detectors, CO detectors, personal security products and electronic toys. Functional Block Diagram HRNEN 8 Package Types RE46C100 PDIP, SOIC NC 1 VDD 2 NC 3 FEED 4 8 HRNEN 7 HORNS 6 HORNB 5...