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RE46C100

Microchip
Part Number RE46C100
Manufacturer Microchip
Description Piezoelectric Horn Driver
Published Jan 4, 2017
Detailed Description RE46C100 Piezoelectric Horn Driver Circuit Features: • Low Quiescent Current (< 100 nA) • Low Driver RON – 20typical ...
Datasheet PDF File RE46C100 PDF File

RE46C100
RE46C100


Overview
RE46C100 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 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 RE46C100 Typical Application Horn Enable Active...


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