R&E International
A Subsidiary of Microchip Technology Inc. RE46C101
Piezoelectric Horn Driver and LED Driver Circuit
Product Specification General Description Features This product is 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 design also provides an open drain Nchannel driver suitable for use with a light emitting
diode. Applications Pin Configuration Smoke detectors
CO Detectors
Personal Security Products
Electronic Toys Low Quiescent Current (<100na)
Low Driver Ron -20О© typical at 9V
Wide Operating Voltage Range
8 Pin DIP and SO Packages
Available in Standard Packaging or RoHS
Compliant Pb Free Packaging LED 1 8 HRNEN VDD 2 7 HORNS LEDEN 3 6 HORNB FEED 4 5 VSS ABSOLUTE MAXIMUM RATINGS
PARAMETER
Supply Voltage
Input Voltage Range Except FEED
FEED Input Voltage Range
Input Current except FEED
Operating Temperature …