RE46C100 Datasheet | Microchip Technology

Features : - Low Quiescent Current (< 100 n A) - 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 VSS RE46C100 2x3 DFN- NC 1 8 HRNEN VDD 2 EP 7 HORNS NC 3 9 6 HORNB FEED 4 5 VSS - Includes Exposed Thermal Pad (EP); see Table 2-1. 4 FEED 7 HORNS VDD 2 VSS 5 6 HORNB  2009-2014 Microchip Technology Inc. DS20002166B-page 1 Typical Application Horn Enable...