RE46C317

RE46C317/18 Piezoelectric Horn Driver with Boost Converter Features: 3V Operation Low Quiescent Current 10V Boost Converter Low Horn Driver On-Resistance Compatible with RE46C117 Applications: Smoke Detectors CO Detectors Personal Security Products Electronic Toys Typical Application 2V to 5V V1 L1 10 μH C1 10 μF Description: The RE46C317/18 are CMOS piezoelectric horn driver ICs with built-in boost converter. They are intended for use in 3V battery or battery-backed applications. The circuits feature a boost converter and a driver circuit suitable for driving a piezoelectric horn. The RE46C317/18 are compatible with the RE46C117 device and offer lower standby current. The RE46C317 has three valid states of Horn Enable (tri-state, low and high), while the RE46C318 has only two valid states, low and high. Package Types RE46C317/18 PDIP, SOIC FEED VDD LX VSS 1 2 3 4 8 HRNEN 7 HORNS 6 HORNB 5 VO RE46C317/18 FEED HRNEN R1 1.5M C4 1 nF ...