RE46C101S8F Microchip

R&E International A Subsidiary of Microchip Technology Inc. RE46C101 Piezoelectric Horn Driver and LED Driver Circuit Product Specification Features General Description This product is intended for applications using a self Low Quiescent Current (<100na) oscillating piezoelectric horn although it can be used Low Driver Ron - 20 typical at 9V in direct drive applications. Feedback control and a Wide Operating Voltage Range driver circuit are provided as well as a horn enable 8 Pin DIP and SO Packages function. The design also provides an open drain N- Available in Standard Packaging or RoHS channel driver suitable for use with a light emitting Compliant Pb Free Packaging diode. Applications Pin Configuration Smoke detectors CO Detectors HRNEN 1 8 LED Personal Security Products HORNS 2 7 VDD Electronic Toys HORNB LEDEN 3 6 5 VSS FEED 4 ABSOLUTE MAXIMUM RATINGS PARAMETER SYMBOL VALUE UNITS Supply Voltage V 18 V DD Input Voltage Range Except FEED V -.3 to V+.3 V in dd FEED Input Voltage Range V -10 to +22 V infd Input Current except FEED I 10 mA in Operating Temperature T 0 to 50 C A Storage Temperature T -55 to 125 C STG Maximum Junction Temperature T 150 C J 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 charge. 2009 Microchip Technology Inc. DS22163A-page 1 RE46C101 Piezoelectric Horn Driver and LED Driver Circuit R&E International Product Specification A Subsidiary of Microchip Technology Inc. DC Electrical Characteristics at TA = 25C, VDD=9V, Typical Application (unless otherwise noted) Limits Test Parameter Symbol Pin Test Conditions Min Typ Max Units Supply Voltage V 2 Operating 6 9 16 V DD Supply Current I 2 HRNEN,LEDEN and FEED=0V 100 nA DD1 Input Voltage Low V 3,8 1 V IL1 Input Voltage High V 3,8 2.3 V IH1 Input Leakage Low I 3,8 Vin=VSS -100 nA IL1 I 4 FEED=-10V -50 uA LFD Input Leakage High I 3.8 Vin=VDD 100 nA IH1 I 4 FEED=22V 50 uA HFD Output Voltage Low V 6,7 Iol=16mA .3 .5 V OL1 V 6,7 Iol=16mA, VDD=7.2V .9 V OL2 V 1 Iol=10mA, VDD=7.2V .5 1 V OL3 Output Voltage High V 6,7 Ioh=-16mA 8.5 8.7 V Oh1 V 6,7 Ioh=-16mA, VDD=7.2V 6.3 V Oh2 Functional Block Diagram 4 FEED HORNS 7 HRNEN 8 VDD 2 HORNB 6 VSS 5 LED 1 LEDEN 3 2009 Microchip Technology Inc. DS22163A-page 2