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RE46C119 Datasheet(PDF) 1 Page - Microchip Technology |
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RE46C119 Datasheet(HTML) 1 Page - Microchip Technology |
1 / 9 page R&E International A Subsidiary of Microchip Technology Inc. RE46C119 Voltage Regulator, Voltage Converter and Piezoelectric Horn Driver Product Specification © 2009 Microchip Technology Inc. DS22169A-page 1 General Description The RE46C119 is intended for use in applications where low voltage regulation and a high voltage horn driver are required. The circuit features a voltage boost converter/regulator and driver circuit suitable for driving a piezoelectric horn. The horn enable pin activates the boost converter and horn driver circuit. Supply current is 6.5uA maximum when the boost regulator and horn driver are not in use. A 3V regulator is also provided for microprocessor voltage regulation. Low battery detection and signaling are also available. Interconnect pins are provided to allow communication in multiple unit environments. A power good pin monitors the status of the regulator output. Applications Smoke detectors CO Detectors Personal Security Products Electronic Games Hand Held Instruments Features • Low Quiescent Current • 12V Boost Regulator • Low Horn Driver Ron • 3V Regulator, Other Options Available • Low Battery Detection Interface • Power Good Circuit • Device interconnection • Available in DIP and SOIC packages • Available in Standard Packaging or RoHS Compliant Pb Free Packaging Pin Configuration 1 16 VDD IO1 IODIR IO2 LBST PG HRNEN VSS VPOS CAP+ CAP- VREG LBAT HORNB HORNS FEED ABSOLUTE MAXIMUM RATINGS PARAMETER SYMBOL VALUE UNITS Supply Voltage VDD 12 V Input Voltage Range Except FEED, IO1, IO2 Vin -.3 to Vdd +.3 V FEED Input Voltage Range Vinfd -10 to +22 V IO2 Input Voltage Range Vio2 -.3 to VREG+.3 V IO1 (as input) Voltage Range Vio1 -.3 to Vdd + 6 V Input Current except FEED Iin 10 mA Operating Temperature TA -40 to 85 °C Continuous Operating Current (Horn or VPOS) Icon 50 mA Storage Temperature TSTG -55 to 125 °C Maximum Junction Temperature TJ 125 °C 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. |
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