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...