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RE46C105 Datasheet(PDF) 1 Page - Microchip Technology |
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RE46C105 Datasheet(HTML) 1 Page - Microchip Technology |
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1 / 5 page  R&E International A Subsidiary of Microchip Technology Inc. RE46C105 Piezoelectric Horn Driver with Voltage Regulator and LED Driver Product Specification General Description The RE46C105 is a piezoelectric horn driver with a voltage regulator and an open drain NMOS driver suitable for use with a light emitting diode. It is intended for 9V battery applications which require a low voltage logic supply. The regulator can be operated at either 3.3V or 5V. The horn feedback control pin is designed for use with self-oscillating piezoelectric horn but can also be used in direct drive applications. A low battery detection circuit is also provided. Applications Smoke detectors CO Detectors Personal Security Products Electronic Toys Features • Low Quiescent Current • Low Horn Driver Ron • Voltage Regulation to 3.3V or 5V • Low Battery Detection • Available in DIP and SOIC packaging • Available in Standard Packaging or RoHS Compliant Pb Free Packaging Pin Configuration LBOUT LBSTRB LBSET LED LEDEN FEED VDD REGEN REGOUT REGSEL HRNEN HORNB VSS HORNS 1 14 Absolute maximum ratings Supply Voltage Vdd ........………………………………….......-.5V to +14V Input voltage Range Vin ...…………………………………..... -.3V to VDD+.3V, except FEED FEED Input Voltage Range Vinf …………………………...… -10V to +22V Input Current Iin ..............…………………………………..... 10mA, except FEED Operating Temperature .......………………………………….. -40 to 85 °C Continuous Output Current (HornS, HornB) .……………….. 30mA Continuous Output Current (REGOUT) .…………………….. 55mA Stresses beyond those listed under Absolute Maximum Ratings may cause permanent damage to the device. These are stress ratings only and operation at these conditions for extended periods may affect device reliability. This product utilizes CMOS technology with static protection; however proper ESD prevention procedures should be used when handling this product. Damage can occur when exposed to extremely high static electrical charges. © 2009 Microchip Technology Inc. DS22167A-page 1 |
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